3.4 Changelog

3.4.24 Changelog

Security

SERVER-37135 TLSVersionCounts needs to track and report TLS 1.3
SERVER-38945 SSL performance regression
SERVER-43751 Recompute compressor manager message parameters

Sharding

SERVER-36315 After stepdown the CSRS dist lock manager keeps trying to unlock locks

Replication

SERVER-37846 writeConcern can be satisfied with an arbiter if the write was committed
SERVER-40355 rs.config that contains an _id greater than the number of nodes will crash
SERVER-43879 OplogInterfaceLocal::next should return an owned BSON obj

Query

SERVER-39019 $elemMatch $ne serialization is incorrect, doesn't roundtrip
SERVER-43699 Find $mod can result in UB
SERVER-44050 Arrays along 'hashed' index key path are not correctly rejected
SERVER-44571 Documents involved in SERVER-44050 corruption scenario cannot be updated or deleted after upgrade

Build and Packaging

SERVER-37772 Platform Support: Add Community & Enterprise RHEL 8 x64
SERVER-43359 Add missing repo config for RHEL8

Internals

SERVER-29020 Upgrade ASIO
SERVER-30269 Bump ASIO to capture bug fixes
SERVER-38002 Upgrade Pcre to at least 8.42
SERVER-40669 install_compass should not explicitly use python3
SERVER-43085 Regenerate all testing certificates with SHA-256 instead of SHA-1
SERVER-43151 Error in aggregation assertion at value.cpp:1368
SERVER-44064 Perform explicit cast on MessageCompressorManager parameter
SERVER-44140 Use signal processing without DSI
SERVER-44312 Specify evergreen auth in performance tests for signal processing
SERVER-44611 Fix evergreen.yml in v3.4
SERVER-44651 Update signal processing version
SERVER-44993 ssl_count_protocols.js should not evaluate test most protocols on OS X on 3.4
WT-4956 Handle the case where 4 billion updates are made to a page without eviction

3.4.23 Changelog

Sharding

SERVER-36394 mongos should reset chunk size tracking information when autosplit = false or splitvector returns too few split points

Replication

SERVER-42055 Only acquire a collection IX lock to write the lastVote document
SERVER-42653 Always waitUntilDurable when writing lastVote document

Query

SERVER-41829 findAndModify ignores filter expressions that are not objects
SERVER-43074 Do not use a global variable to encode 'multikeyPath' information when writing out catalog documents

Storage

SERVER-42652 Fix issue with rename collection

Operations

SERVER-42257 Add new shell startup banner

Build and Packaging

SERVER-42172 Add Ubuntu 14.04 to v3.4
SERVER-42603 Recent service file change may cause cyclic dependencies

Internals

SERVER-39928 Stop testing PyMongo with Python 2.6 in drivers-nightly
SERVER-42343 WiredTigerLAS.wt grows when lagged node is in maintenance mode

3.4.22 Changelog

Security

SERVER-40393 Disable SSL_MODE_RELEASE_BUFFERS in ASIO
SERVER-41069 Ability to disable authorization via x509 extensions

Replication

SERVER-40336 ReplicationCoordinatorImpl::_random isn't robust to replica set members being started at the same time
SERVER-41036 Make ReadWriteAbility::_canAcceptNonLocalWrites AtomicWord<bool> to prevent torn reads.

Query

SERVER-41863 Make sleep command check that server clock has advanced before returning

Storage

SERVER-17010 Reduce file handle usage in File based Sorter

Build and Packaging

SERVER-36043 systemd unit for mongod starts before multi.user target
SERVER-40242 Update banner inclusions for vendored tools
SERVER-40563 Our init scripts check /proc/[pid]/stat should validate that (${procname}) is the process' command name.
SERVER-41424 scons should fail early if invoked with wrong Python interpreter
SERVER-41443 Update Enterprise License
SERVER-42089 Platform Support: Remove Enterprise RHEL 6.7 zSeries from 3.4 and 3.6
SERVER-42172 Add Ubuntu 14.04 to v3.4
SERVER-42233 Bump Windows package dependencies

Internals

SERVER-20983 Add requirements.txt for resmoke.py
SERVER-21538 Choose clock source for reading current time dynamically at startup
SERVER-28421 Implement ClockSource::waitForConditionUntil()
SERVER-37984 Upgrade yaml-cpp >= 0.6.0
SERVER-38098 MongoDB's yaml-cpp is rejected by latest MSVC
SERVER-38303 Temporarily handle ipv6 failures due to s390x machine without ipv6 enabled
SERVER-38984 Attach IDs to users
SERVER-39642 Decrement egress counter when scoped connection not returned to the pool
SERVER-40923 Remove npm test command from "run jstestfuzz" Evergreen function
SERVER-40924 Add Evergreen task to sanity check fuzzer can parse JavaScript tests
SERVER-41148 FTDC is calling boost::filesystem without passing an error_code parameter
SERVER-41401 patch_files.txt doesn't distinguish between enterprise and community files
SERVER-41546 SysV init scripts should verify PIDfile exists instead of failing
SERVER-41680 Propagate ${branch_name} Evergreen expansion to fuzzer invocation
SERVER-41789 sys-perf: Use bootstrap.overrides in bootstrap.yml config file
SERVER-41967 Symlink /data to Z instead of C

3.4.21 Changelog

Security

SERVER-40393 Disable SSL_MODE_RELEASE_BUFFERS in ASIO

Replication

SERVER-40628 Initial sync could fail under replsetprio1.js settings

Aggregation

SERVER-39487 Aggregation operator $sqrt output for NumberDecimal is the same as $exp

Storage

SERVER-41213 Unique background index builds may produce inconsistent keys

Operations

SERVER-39820 Add the client IP address to the successful authentication log message
SERVER-40259 Include third party notices for ASIO and variant
SERVER-40866 Use JSON.stringify() to serialize string in tojson()

Build and Packaging

SERVER-37765 Platform Support: Remove Ubuntu 14.04
SERVER-37774 Platform Support: Remove Enterprise Ubuntu 16.04 PPCLE
SERVER-40491 Update Debian 8 image for package test

Internals

SERVER-20983 Add requirements.txt for resmoke.py
SERVER-36750 blacklist memory.js on ppc64le in memory variants
SERVER-39056 Further refine readWriteAnyDatabase
SERVER-40165 generate wtimeout deadlines with the precise clock
SERVER-40514 Race between BufferedHandler.close() and BufferedHandler.flush() leads to resmoke.py hanging with --log=buildlogger
SERVER-40922 Add npm install command to "run jstestfuzz" Evergreen function
SERVER-41088 Propagate Evergreen order field to Cedar for system perf
WT-4615 Sync backup file before returning backup cursor

3.4.20 Changelog

Sharding

SERVER-36901 sh.status() "Last reported error:" is actually 5th Latest error message
SERVER-39030 Wrong info logged by splitVector

Replication

SERVER-28053 allow network errors when turning off rollbackHangBeforeStart failpoint
SERVER-39758 double_rollback.js should reliably wait for node 0 to complete rollback

Query

SERVER-26463 Increase ttl_capped.js timeout from 5 to 60 seconds
SERVER-38793 nonrepairable feature tracker for collation does not get set for createCollection

Aggregation

SERVER-39166 $graphLookup should force a pipeline to split in sharded cluster

Storage

SERVER-39723 Change listIndexes command behavior to show in-progress index builds

Tools

TOOLS-2030 mongodump does not dump system.js collections
TOOLS-2109 Build Tools with Go 1.11

Internals

SERVER-38954 Increase query execution time for the test case in max_time_ms.js that expects it to hit the time limit
SERVER-39058 Synchronize user set modification in AuthorizationSession with Client
SERVER-39331 Remove StressTest from network_interface_asio_integration_test
SERVER-39746 System-Performance: Write project in runtime.yml
TOOLS-1906 Ignore mongorestore error "x509 certificate routines:X509_STORE_add_cert:cert already in hash table"
TOOLS-2158 mongodump failing on Windows with "error opening system CA store: Access is denied."
TOOLS-2167 Add CGO flags for building on Windows
TOOLS-2168 Add CGO flags for building on MacOS
TOOLS-2210 Build with tools with Address Space Layout Randomised (ASLR) flags enabled

3.4.19 Changelog

Sharding

SERVER-28716 call fsync after setup before calling collStats/dbStats in jstests/sharding/stats.js
SERVER-30768 Primary queries using maxTimeMS cause temporary shard write unavailability if ExceededTimeLimit
SERVER-32568 The migration_sets_fromMigrate_flag.js test is not compatible with sharding continuous stepdown suite
SERVER-37496 The balancer shouldn't register a shutdown task after the process is multithreaded
SERVER-37616 Implement tuneable batch size for the rangedeleter
SERVER-37902 recovering_slaveok.js should assert all writes it makes succeed
SERVER-37932 Remove erroneous part of coll_epoch_test1.js that attempts to test something that shouldn't work, but due to a bug in the test, the test passes
SERVER-38062 Add assert.commandWorked() to commands in read_pref_cmd.js

Replication

SERVER-22766 Dynamic oplog sizing for WiredTiger nodes
SERVER-35608 Invariant that term from lastAppliedOptime is never greater than our current term

Query

SERVER-13946 Consider putting skip stages below fetch stages
SERVER-35455 QueryPlannerAccess should hold owned pointers by unique_ptr rather than raw pointer
SERVER-37132 Negation of $in with regex can incorrectly plan from the cache, leading to missing query results
SERVER-38070 Infinite loop in aggregation expression
SERVER-38601 Add regression test for memory leak during planning

Aggregation

SERVER-37182 Different values when referencing whole object vs. a field of that object after $arrayToObject
SERVER-37750 Optimized $sample stage does not yield

Storage

SERVER-30151 Size specification for oplog resizing
SERVER-36968 Rebuild interrupted indexes before checking AuthZN index presence
SERVER-37749 replSetResizeOplog command does not validate argument
SERVER-38434 queryableBackupMode and wiredTigerEngineConfigString flags are incompatible
SERVER-38501 swap out new ActionType for replSetResizeOplog command on 3.4

Operations

SERVER-33469 Make syslog log lines consistent with mongod log lines

Build and Packaging

SERVER-38726 Add stable toolchain variables files

Tools

TOOLS-1709 Set build version and git revision using -ldflags
TOOLS-2149 Configure build outside Evergreen

Internals

SERVER-18985 setParameter should log at level 0
SERVER-23818 Include Evergreen task ID in metadata sent to logkeeper
SERVER-36250 Add support for optionally logging specific negotiated TLS versions
SERVER-37120 Turn off linux-replSet-initialsync-logkeeper Build Variant for 3.4 and 3.6 branches
SERVER-37647 Validation hook sets fCV to 3.4 no matter what version it currently is
SERVER-37913 coll_epoch_test1.js does not wait for the config server to replicate after dropping collections.
TOOLS-1566 Should not include "ssl" tag for Linux 64 build
TOOLS-1742 import cycle between util and testutil
TOOLS-1996 Allow building tools from inside an ordinary GOPATH
TOOLS-2155 Set version/git-commit via ldflags in Evergreen and Server Evergreen
TOOLS-2157 Update server vendoring

3.4.18 Changelog

Security

SERVER-35418 Allow specifying CAs for incoming and outgoing connections separately

Sharding

SERVER-26915 jumbo1.js auto-balancing is too slow in the stepdown suite

Replication

SERVER-25175 listIndexes shouldn't include in-progress background indexes
SERVER-35200 Speed up failure detection in the OplogFetcher during steady state replication
SERVER-36978 TaskRunner must ensure Client is initialized for thread before running tasks
SERVER-37010 Prevent unexpected elections in initial_sync4.js and initial_sync_rename_collection*.js
SERVER-37152 Increase write concern timeouts for writes expected to succeed in tags.js

Query

SERVER-28251 Fix race condition in index_killop.js
SERVER-36435 Increase maxTimeMS timeout in awaitdata_getmore_cmd.js
SERVER-36944 applyOps does not permit unknown field names when creating a v:1 index
SERVER-37058 Update with numeric field names inside an array can cause validation to fail

Storage

SERVER-37333 [3.4] applyOps does not validate background index spec for system.indexes inserts

Operations

SERVER-34864 String-valued fields should not participate in schema change detection in ftdc

Tools

TOOLS-2102 Mongorestore does not check for errors decoding the oplog.bson file

Internals

SERVER-28095 Clearing the dmesg buffer should not errexit in evergreen.yml
SERVER-36718 Validation hook should upgrade before validating index consistency
SERVER-36747 Add a small time delay to "jstests/ssl/ssl_client_certificate_warning_suppression.js"
SERVER-36756 Log the githash of the 10gen/jstestfuzz repository when the fuzzer's self-tests fail
SERVER-36919 Add server setParameter tlsWithholdClientCertificate (bool)
SERVER-36987 ChunkVersion::minorVersion truncates to 16 bit
SERVER-37041 Update eval blacklists on older branches to account for differences in tests across branches
SERVER-37064 Wrap "mongod_flags" onto multiple lines for readability
SERVER-37127 Update baseline comparison for sys-perf
SERVER-37130 Add TLS version counting to mongos
SERVER-37367 Notification::waitFor is not interruptible in 3.4
SERVER-37393 Fix destructor race in `ReplicaSetMonitorManager`
SERVER-37424 Sys-perf: change v4.0 branch batch time to once a week
SERVER-37425 Longevity tests -- increase batch time to once a year
SERVER-37437 mongo longevity tests failing
SERVER-37647 Validation hook sets fCV to 3.4 no matter what version it currently is

3.4.17 Changelog

Security

SERVER-33857 Missing log redaction due to confusion with Command::redactForLogging()

Sharding

SERVER-27599 Sharding tests should not rely on the order of entries returned when querying the config.shards collection
SERVER-27725 Use batch insert when migrating chunks
SERVER-29702 add assert.commandWorked() around addShard in shard_insert_getlasterror_w2.js
SERVER-33237 Optimize the Range Deleter speed
SERVER-34897 Introduce parameter to control whether MongoS should automatically retry failed find commands
SERVER-36132 Invariant that chunk migration is actually reflected in the metadata after successful commit
SERVER-36232 Refresh after chunk migration commit may not see the committed metadata

Replication

SERVER-32148 make NamespaceNotFound an acceptable error for emptyCapped and convertToCapped
SERVER-32647 Retry connecting to replica set when given a seed node in Jepsen tests
SERVER-34414 Creating a role with buildsIndexes:false node hits an fassert
SERVER-34682 Old primary should vote yes and store the last vote after stepdown on learning of a higher term
SERVER-35962 buildindexes_false_with_system_indexes.js restarts nodes and should be tagged [requires_persistence]

Query

SERVER-26387 Replace noPassthrough/indexbg2.js with test that uses failpoints
SERVER-34846 Covered index with collated field returns incorrect result when collation not involved in match or sort

JavaScript

SERVER-35986 Stop running eval command in parallel suite on older branches

Storage

SERVER-34602 convertToCapped collection drop does not commit WUOW on 3.4

Operations

SERVER-34141 Inconsistent appName in Shard
SERVER-34160 Mongo client run buffered command when terminated.
SERVER-36010 Change log messages for Windows stacktraces to use error() or severe() rather than log()
SERVER-36479 Log redaction does not show planSummary when slow queries are logged

Build and Packaging

SERVER-36884 Update curator version on stable branches

Internals

SERVER-29008 Define TestData.numTestClients property so fuzzer knows there are concurrent clients
SERVER-31434 Give mongo::Value at least pointer alignment
SERVER-34558 Add SSL_version to client metadata logging
SERVER-34614 parallelTester should use a different connection for each new test
SERVER-34735 Extract structured names from X.509 certificates
SERVER-34793 Add call to BF suggestion server on failed task completion
SERVER-35100 Do not log a Python stack trace when a hook dynamic test fails
SERVER-35668 Avoid moving concurrency tests to small instances on arm64
SERVER-35858 Error in call BF Suggestion service
SERVER-35861 Remove call to dashboard_gen.py in perf.yml
SERVER-36001 Add requires_document_locking tag to noPassthrough/indexbg2.js
SERVER-36111 Bug in job.py related to functionality for archiving data files in 3.4
SERVER-36149 Fix privileges on setFCV virtual namespace
SERVER-36462 Add atlas user to runtime_secret.yml
TOOLS-1991 Build tools with Go 1.10.1
TOOLS-2066 MongoDB 3.4's vendored github.com/10gen/openssl doesn't define FIPS functions
WT-3637 Fix a heap use after free from evicting of a page that just split.

3.4.16 Changelog

Security

SERVER-35322 external_auth tests should use unique kerberos credentials cache per test

Sharding

SERVER-25746 Store advisoryHostFQDNs data in config.mongos collections
SERVER-30050 top_chunk_autosplit.js should use w: majority when updating balancer settings
SERVER-34644 Disable DollarPrefixedFieldName checks for moveChunk/mergeChunks

Replication

SERVER-5461 Add syncSourceHost field to replSetGetStatus output
SERVER-30947 checkOplogs function should dump more oplog entries on failure
SERVER-31165 Print mismatched oplog entries in checkReplOplogs
SERVER-31995 Logged initial sync statistics may exceed 16mb causing fassert
SERVER-32935 improve exception handling in SyncTail::oplogApplication()
SERVER-34549 Tests refer to ReplSetTest.kDefaultTimeoutMS, which is undefined
SERVER-34661 Return early when the vote request response has an error
SERVER-34758 replSetGetStatus can deadlock with initialSyncer
SERVER-35437 Wait for secondary state after stepdown command in multi_rs.js

Query

SERVER-35693 Parsing of $in takes quadratic time due to O(n^2) boost::flat_set constructor

Storage

SERVER-34863 Disable LSM testing on 3.2, 3.4 and 3.6 branches

Operations

SERVER-27230 Poor compression of diagnostic data when replica set is unhealthy
SERVER-33546 Add numeric syncing field to replSetGetStatus members array
SERVER-34159 Fix migration_destination_manager logging

Build and Packaging

SERVER-32999 Platform Support: remove Debian 7
SERVER-33395 PPC64 little endian altivec optimizations are broken on newer gcc
SERVER-35210 curator release versions should be populated from the project expansions

Internals

SERVER-26884 Support archiving data files in Evergreen on test failure
SERVER-27410 Make the lint task required by compile on Enterprise RHEL 6.2
SERVER-29301 Upgrade MozJS to ESR 45.9.0
SERVER-29359 Enable SO_KEEPALIVE on egress server connections
SERVER-30290 Use unique paths in ftdc_setdirectory.js
SERVER-30557 Make max_time_ms.js more robust
SERVER-31400 Record Linux netstat metrics in ftdc
SERVER-31562 dump replica set oplogs at the end of every failed test
SERVER-32688 FSM replication suites should give secondaries zero votes
SERVER-32762 Module to upload files to S3
SERVER-32763 Create archive.json and associate to task in evergreen.yml
SERVER-32852 Capture FTDC data on failures of the concurrency suite
SERVER-32898 Create unit test for resmoke module archival.py
SERVER-33009 AWS credential profiles in evergreen.yml
SERVER-33144 Support archiving data files in Evergreen on test failure - Windows
SERVER-33193 Enable test failure archive for specific tasks and hooks
SERVER-33346 Pin a specific version of boto3 for use in etc/evergreen.yml scripts
SERVER-33512 Add PeriodicKillSecondaries hook to archive list
SERVER-34371 Stop ignoring errors when the test fixture fails to delete data files
SERVER-34374 resmoke.py uses bytestrings for representing pathnames, leading to silently failing to clear the dbpath on Windows
SERVER-34380 system_perf.yml: Remove the compile_proxy task
SERVER-34540 Remove sleeptest from dbtests
SERVER-34624 Remove C++ 14 builder from 3.4
SERVER-34742 Stop running ssl_cert_password.js on OS X
SERVER-34823 Thread name and connection number are not synchronized in TransportLayerLegacy
SERVER-34835 Fix shard_does_not_hang_on_bad_config_server.js to accept either HostUnreachable or ExceededTimeLimit
SERVER-34851 Disallow index selection for identical min & max values on find
SERVER-34865 Test archival fails when temporary files are removed
SERVER-34888 Track status of SSLPeerInfo
SERVER-34950 Use new sys-perf baseline 3.4.14-Baseline
SERVER-35051 Resmoke should stop the balancer before shutting down sharded clusters
SERVER-35071 Split MMAPv1 tasks into separate variants in sys-perf
SERVER-35108 Enable signal processing in system_perf.yml
SERVER-35155 Fix jstests/ssl/x509_invalid.js using explicit X509 client names
SERVER-35207 Don't use json.get_history in system_perf.yml
SERVER-35264 compile fails on sys-perf-3.4 // SERVER-34380
SERVER-35610 Refine LDAP options parsing
WT-3557 Make test/format ignore unknown keywords
WT-3710 Fix a race condition between concurrent page splits
WT-3994 Enhance WiredTiger Jenkins pull request tester for old branches
WT-4032 parent pages can be evicted while being split.
WT-4037 WT_REF structures freed while still in use
WT-4045 Don't retry fsync calls after EIO failure

3.4.15 Changelog

Security

SERVER-31893 Explicitly define timeout for synchronous LDAP calls
SERVER-34193 Limit recursive definition ASN.1 types with OpenSSL update
SERVER-34477 Coverity analysis defect 103475: Invalid iterator comparison

Sharding

SERVER-16802 Order of balancer chunk moves depends on order of config.collections
SERVER-22553 mongos_shard_failure_tolerance.js should not rely on order of shard ids
SERVER-27941 Remove the shardVersion check when entering the critical section.
SERVER-28670 Add sharding metadata refresh metrics section to serverStatus
SERVER-28981 Sharding balancer prefers shards in a specific order when moving chunks
SERVER-32885 Overlap chunk clone application on the donor with fetching documents from the recipient
SERVER-34508 Prevent race condition in Migration Destination Manager from swallowing an exception
SERVER-34571 Invariant fails in destructor of MigrationChunkClonerSourceLegacy on shutdown

Replication

SERVER-29949 InitialSyncerResetsOptimesOnNewAttempt unit test should set optime before starting initial syncer
SERVER-33026 SyncSourceFeedback request doesn't have a timeout

Storage

SERVER-23935 Disable oplog sampling in queryable backup mode
SERVER-32453 WTKVEngine::getAllIdents mishandles cursor->next return code.
SERVER-33854 Fix applyOps field handling

WiredTiger

SERVER-20056 Log a startup warning if wiredTigerCacheSizeGB is > 80% of RAM

Operations

SERVER-12644 Move note about noprealloc hurting performance to startup warnings
SERVER-28369 Give mongoldap a 'debug' mode

Build and Packaging

SERVER-21317 Better fallback for builds with no version.json and no git repo
SERVER-25691 Break out unit test compilation and run in its own task
SERVER-27483 Avoid stripping debug symbols from C++ unit tests in Evergreen
SERVER-31535 Platform Support: remove Ubuntu 12.04 builds
SERVER-31809 Start using toolchain python on macOS
SERVER-32923 Platform Support: remove SLES11 builds
SERVER-34149 Upgrade zlib to latest
SERVER-34250 Update Tools builders in Evergreen to match upstream

Tools

TOOLS-17 mongodump --oplog should record the end oplog entry before backing up the oplog
TOOLS-1706 mongoreplay cannot safely terminate on one core
TOOLS-1779 stop building tools on solaris on all branches
TOOLS-1780 Build tools with Go 1.8.x
TOOLS-1948 Use Go-native TLS dialer on platforms with openssl 0.9.x
TOOLS-1968 Backport - Need to update spacemonkeygo/openssl fork to support newer OpenSSL libraries

Internals

SERVER-21630 Expand resmoke's CheckReplDBHash support to config servers and sharded replica sets
SERVER-24480 The Validate hook should run after CheckReplDBHash
SERVER-24759 Run resmoke.py collection validation on the config servers
SERVER-25771 valgrind fails with boost::math::erfc_inv<long double>(long double, long double): Overflow Error
SERVER-27351 Deleted files cause lint failure on evergreen
SERVER-27529 scons msi target is failing do to missing dependencies
SERVER-27643 Stack locator can return invalid stack size when stack size ulimit is unlimited
SERVER-28989 Avoid dropping dummy database in ReplSetTest.prototype.checkReplicaSet()
SERVER-30857 when i try to launch ./mongo instance its crash right away even it show on other hand connection accepted from 127.0.0.1:54008 #1 (1 connection now open)
SERVER-30900 remove collMod writeConcern argument from ReplSetTest.checkReplicaSet()
SERVER-31128 run_validate_collections hook doesn't check secondaries
SERVER-31441 Make run_validate_collections.js validate all nodes in replica set in parallel
SERVER-31468 replSets/startParallelShell.js should wait for its parallel shells to exit
SERVER-33068 run_check_repl_dbhash.js hook exits without actually running dbhash on a replica set
SERVER-33329 Server and Shell do not emit TLS "protocol_version" alert messages
SERVER-33398 Add the new finer grained sys-perf tasks
SERVER-33484 Code coverage can't distinguish between files with identical names
SERVER-33670 Build mongo binaries with -ssl compile flag in system_perf.yml
SERVER-33734 Improve jsTestLog filterability
SERVER-33805 Change Jepsen tasks running in Evergreen to use mongobridge
SERVER-33843 PeriodicKillSecondaries hook can run validate while a secondary is still applying operations
SERVER-33848 Update compile flags for sys-perf and performance projects
SERVER-33935 utils_auth.js should support connecting to clusters running with SSL
SERVER-33970 New baselines for mongo-perf
SERVER-34116 resmoke.py is silently not running non-passthrough tests on the 3.4 branch
SERVER-34140 remove multiple distro specification for single tasks in evergreen configs
SERVER-34213 testshard1.js should use _ids of [0, nItems -1] instead of [1, nItems]
SERVER-34237 Expose means for shell to disable TLS 1.0
SERVER-34605 Change Jepsen tasks to run on the ubuntu1604-build distro in Evergreen
SERVER-34667 data_consistency_checks.js incorrectly assumes that the config.mongos collection always exists
TOOLS-1665 Mongotools may block forever on dead connections
TOOLS-1704 Update mongo-tools projects to use macos-1012 distro instead of osx-1010
TOOLS-1941 Tools qa-tests often timeout, particularly on server latests
TOOLS-1978 tools fail eslint testing
TOOLS-2003 Drop SUSE11 from Evergreen builds
TOOLS-2008 Tests fail on v3.4-master branch
WT-3972 Allow more than 64K cursors to be open on a data source simultaneously
WT-3975 arg format mismatch after rwlock changes
WT-3994 Enhance WiredTiger Jenkins pull request tester for old branches
WT-4032 parent pages can be evicted while being split.

3.4.14 Changelog

Security

SERVER-32933 Allow mongod to start when unable to reach LDAP server

Sharding

SERVER-29812 RangeDeleter unnecessarily waits for 'majority' write concern
SERVER-31979 Chunk migration statistics are not recorded in the moveChunk.commit changelog entries
SERVER-32886 Unnecessary sleeps during chunk migration
SERVER-33228 Remove the half-implemented and unused CollectionRangeDeleter from the 3.4 codebase

Replication

SERVER-28151 Authentication database should be synced first during an initial sync
SERVER-31399 repl.apply.batches.totalMillis does not record the time spent applying batches
SERVER-31671 Cancel running elections if the term changes after writing my last vote
SERVER-33448 Relax time diff requirements in apply_batches_totalMillis.js

Query

SERVER-31161 Index created through applyOps command should not inherit collection default collation
SERVER-33092 elemMatchProjection.js incorrectly assumes that shell generates monotonically increasing _id values

Storage

SERVER-28594 non-atomic applyOps should log each individual op
SERVER-32533 In oplog truncate with WT, don't use a start key
SERVER-33122 add option to disable cursor caching to speed up dropDatabase and collection drop
SERVER-33233 Don't stall ftdc due to running out of tickets

Operations

SERVER-30114 Monitor cumulative time spent in tcmalloc spin lock
SERVER-33227 Using the method connect in a script will as a side effect update global db.

Build and Packaging

SERVER-33406 Reduce concurrency for s390x compile and compile_all builds to avoid OOM failures

Internals

SERVER-23420 Remove use of GNU extensions in parse_number_test.cpp
SERVER-28495 FTDC for MongoS
SERVER-29938 Refactor FTDC
SERVER-30158 FTDC starts too early in mongos
SERVER-30850 startParallelShell cannot be used in a shell started with a replica set connection string
SERVER-31222 JSFiles source member should not be a reference
SERVER-32241 applyOps reports success even when a nested applyOps fails.
SERVER-32522 set_read_and_write_concerns.js treats mapReduce "out" field like aggregation's $out stage
SERVER-32583 Sys-perf update bootstrap variables to use proper ConfigDict Names
SERVER-32691 Create passthrough for w="majority" with 2-node replica set to address lost test coverage
SERVER-33142 Experiment with disabling cluster reuse in system_perf.yml
SERVER-33147 Limit the -j/num_jobs_available for high core ARM CI servers
SERVER-33236 Update perf.yml to use ssh form of git clone
SERVER-33572 Provide a bounded, interruptible, thread safe, producer consumer queue
SERVER-33751 Auth when connecting to an existing cluster in ReplSetTest
SERVER-33760 Backport WithLock to 3.4
WT-3245 Avoid hangs on shutdown when a utility thread encounters an error
WT-3904 Reconsider error path in log server thread
WT-3938 Reduce memory usage with many tables and sessions
WT-3946 Truncate segfault with a NULL start cursor
WT-3962 WiredTiger turtle file "MoveFileExW: Access is denied." error.

3.4.13 Changelog

Operations

SERVER-33238 Prevent WiredTiger read ticket count from going negative

Internals

SERVER-32664 Sys-perf enable running baselines at lower priority

3.4.12 Changelog

Sharding

SERVER-32924 tag skip_sharding_configuration_checks test with requires_persistence tag

Query

SERVER-33089 Unable to start queryable mongod because it failed to regenerate index for admin.system.users

Storage

SERVER-31462 convertToCapped + renameCollection may cause a segfault

Operations

SERVER-31437 Fix parsing of mongo host/db connect string
SERVER-32875 Don't stall ftdc due to running out of tickets

Build and Packaging

SERVER-32932 When testing SLES 12 packages make sure required repos exist

Internals

SERVER-28396 resmoke.py's logkeeper client should respect size limit for POST requests by splitting them up
SERVER-32243 Add an option to have the validate hook skip some collections.
SERVER-32527 Update package tests to use new BUILD2 VPC
SERVER-32740 Set bootstrap.ycsb_dir and bootstrap.workloads_dir in system_perf.yml
SERVER-32772 dbtest task in Evergreen should write to task directory
SERVER-32891 Sys-perf change order of mongodb_setup and workload_setup calls
SERVER-32896 Upload dsi-artifacts.yml in system_perf.yml
SERVER-32931 System failure of burn_in_tests on v3.4 when no tests have been changed

3.4.11 Changelog

Security

SERVER-28662 Do not pass NULL baseDN to ldap_search
SERVER-31625 The contents of {USER} needs to be escaped when querying for the groups using LDAP server
SERVER-32086 Suppress LDAP user cache invalidation log message by default

Sharding

SERVER-19919 Chunks that exceed 250000 docs but are under half chunk size get marked as jumbo
SERVER-29293 Recipient shard fails to abort migration on stepdown
SERVER-29397 Invariant failure on config server when inserting tag into config.tags
SERVER-29423 Sharding balancer may schedule multiple migrations with the same source or destination
SERVER-31982 Shard does not call config commit chunk migration command with majority writeConcern nor checks for writeConcern errors.
SERVER-32569 Introduce uniform way to allow config servers and shard replica sets to start in non-cluster mode

Replication

SERVER-19605 Oplog timeout should be configurable
SERVER-27067 Some Commands do not wait for write concern for no-op writes
SERVER-28486 backup_restore.js should wait for FSM and CRUD operations to complete on all secondaries before getting current primary
SERVER-29090 Nodes should provide more information on why they reject a vote
SERVER-29649 Add startupWarning when a replset node is running with --nojournal but hasn't set writeConcernMajorityJournalDefault to false
SERVER-29937 Make sure liveness timeouts cannot be missed
SERVER-30143 Raise oplog size in clean_shutdown_oplog_state.js
SERVER-30648 Set GlobalLockAcquisitionTracker after we waitForLock
SERVER-30715 Print replica set config on logRotate
SERVER-31262 Storage of _rbidCommandHandle can race with destruction of SyncSourceResolver
SERVER-31587 ReplBatcher has a long-running OperationContext
SERVER-31589 A primary's SyncSourceFeedback only renews an OperationContext on role changes.
SERVER-32030 SyncTail::oplogApplication uses a long-running OperationContext (3.2/3.4)

Query

SERVER-21011 Certain queries against compound 2d/text indexes are incorrectly covered, return incorrect results
SERVER-29270 oplog query for first entry should not use a blocking sort
SERVER-32046 Arrays of certain NumberDecimals can trigger an invariant failure

Write Operations

SERVER-31531 feature compatibility version writes must check for writeErrors
SERVER-32048 Updates using a numeric path component may cause index entries not to be created

Aggregation

SERVER-30009 MapReduce failure: missing ) in parenthetical
SERVER-30449 ProjectionSpecValidator is O(N**2) in number of fields in the projection
SERVER-31624 Upgraded 3.2 to 3.4, $geoNear aggregate fails with featureCompatibilityVersion 3.4 collation error

Storage

SERVER-30406 renaming system.views does not correctly invalidate the view catalog
SERVER-31101 WT table not dropped after collection is dropped due to long-running OperationContext
SERVER-31149 Enable recovery progress messages
SERVER-31215 Enable pthread cond monotonic on Linux for WiredTiger
SERVER-31469 WiredTiger queryable restore engine does not export init function symbol on windows
SERVER-31590 WT yieldAndAwaitOplogDeletionRequest holds onto an OperationContext while blocking for an infrequent trigger
SERVER-31930 EphemeralForTest does not unindex records in capped collections on rollback.
SERVER-32001 unindexing a key in a partial unique index may cause server crash
SERVER-32242 Fix race in CompatibleFirstStress lock manager test

Operations

SERVER-28072 Running a script using 'mongo' on replication set fails
SERVER-29921 Mongo connection uri doesn't support @ character in database name
SERVER-30702 Stop printing stack traces in masserts
SERVER-31046 Remove sensitive information from logging of parsed options during mongod startup

Build and Packaging

SERVER-30853 Update Mongod init scripts to set unlimited locked memory
SERVER-31016 return type 'std::__1::cv_status' must match previous return type 'std::__1::cv_status::__lx' when lambda expression has unspecified explicit return type
SERVER-32271 Bump minimum MacOS version to 10.8 on stable branches
SERVER-32286 Remove Type=forking from Debian SystemD service file

Internals

SERVER-27801 external_auth tests should define KRB5CCNAME per test
SERVER-29259 Authentication/Authorization indexes not created on initial document insertion
SERVER-29623 Fix system_authorization_indexes.js on inMemory storage engine
SERVER-30482 Mongos should not close sessions to below the configured ShardingTaskExecutorPoolMinSize
SERVER-30565 burn_in_tests.py shouldn't cause compile task to fail
SERVER-30634 Git detects all files as having changed on Windows causing burn_in_tests task to time out in Evergreen
SERVER-30649 Check whether each expression inside of $elemMatch is compatible with a given index
SERVER-30720 Integer overflow in SharedBuffer::grow_reallocate
SERVER-30770 system_perf.yml: Use new DSI interface and cleanup
SERVER-31119 Compilation fails with boost 1.62
SERVER-31225 The mongod process forks before listening for connections
SERVER-31379 Make ldap_authz_authn.js expect recently added LDAP groups
SERVER-31380 Add metrics related to tcmalloc acquiring and decommitting memory from system
SERVER-31440 Connpool HostTimeout races with callback lock acquire/release
SERVER-31505 Simplify Snappy compressor
SERVER-31516 NamespaceString's no-arguments constructor results in an improperly initialized object, can later cause segfault
SERVER-31621 Sync buildscripts/scons.py across branches
SERVER-31670 Change replica set fixture used by replica_sets_jscore_passthrough to make its secondary have zero votes
SERVER-31717 Force C locale on Ubuntu 16.04 builders
SERVER-31818 Add server parameter to disable MarkThread{temporary}Idle
SERVER-31827 Make multi_rs.js wait for secondary status after stepdown in upgradePrimary
SERVER-31957 Remove the timeseries support from etc/system_perf.yml
SERVER-31997 Add additional unittesting for CompatibleFirst policy
SERVER-32044 Use parameterized branch_name in performance projects
SERVER-32061 Update ldap_authz_authn.js to reflect LDAP test server changes
SERVER-32087 Run test stage of sys-perf and mongo-perf failures should lead to red evergreen boxes
SERVER-32260 Call workload_setup.py from mongo repo
SERVER-32410 Validate User::CredentialData before attempting to perform authentication
SERVER-32704 sys-perf: Skip validating oplog as enabled by SERVER-32243
SERVER-32788 Update "secondary performance" sysperf test to use nonvoting secondaries
WT-3079 Make sure eviction visits all trees
WT-3248 Performance degradation in workload with large overflow items
WT-3296 LAS table fixes/improvements
WT-3303 Deadlock during first access to lookaside table
WT-3370 Heap use after free in txn recover code
WT-3379 Avoid a performance regression on secondaries
WT-3618 WT remove solaris from evergreen builds
WT-3643 Recovery does not run after database opened with recover=error
WT-3681 Don't truncate the last log file in recovery
WT-3776 Cursor remove operation unpins page too early

3.4.10 Changelog

Security

SERVER-25855 Increase more timeouts in mongos_cache_invalidation.js
SERVER-28727 mongoldap should not print each acquired role's database inline

Sharding

SERVER-29932 add asserts to mapReduce_inSharded_outSharded.js
SERVER-30825 blacklist shard_existing_coll_chunk_count.js from the continuous config stepdown suite
SERVER-31049 View with collation doesn't work as expected in sharded cluster
SERVER-31091 The config server balancer stop command does not obey maxTimeMS
SERVER-31111 Add assert.commandWorked to migrateBig_balancer.js
SERVER-31204 Calling shardCollection after enableSharding may fail if executed against different mongos

Replication

SERVER-29772 Provide option to 3.2 and 3.4 to allow initial sync to complete even when it encounters renameCollection entries
SERVER-30830 applyOps should return NamespaceNotFound when applying a CRUD operation on a non-existent collection/database
SERVER-30840 extend timeout in replsets/index_delete.js (3.4 only)
SERVER-30842 Don't try to set last optime for client backwards after rollback
SERVER-31467 Blacklist initial_sync_rename_collection_unsafe.js from 3.2 initial sync variant

Query

SERVER-31139 mongod fatal error after issuing $text index find containing nested non-text fields as the index prefix
SERVER-31366 profile_getmore.js does not tolerate killCursors command

JavaScript

SERVER-29651 Interrupt signal is ignored when received inside certain functions.
SERVER-30362 JavaScript DBCollection.toString() stops working
SERVER-30502 --disableJavaScriptJIT does not disable JIT

Storage

SERVER-15723 Avoid G_X lock for rename_collection within database
SERVER-28637 wiredtiger journal files accumulate with each server start/stop
SERVER-30927 Use readConcern afterClusterTime for initsync oplog queries
SERVER-31403 Disable mongo-rocks variant on v3.2 and v3.4

Operations

SERVER-19076 printShardingStatus/sh.status should pass a decent indent to tojson() for shard keys
SERVER-28821 MozJS ASAN integration should not invariant that all memory was freed
SERVER-30361 mongod.conf bindIp option accept bogus parameters
SERVER-30769 Mongo shell throws 'exception during autocomplete'
SERVER-31176 mongo shell should use stderr for password prompt

Build and Packaging

SERVER-23516 Using apt-get update chowns user to mongodb
SERVER-30166 Use of string instead of std::string in some source files prevents compilation
SERVER-30558 Remove Solaris builds from master
SERVER-31197 building.md GCC version requirement out-of-date
SERVER-31338 RHEL compile task failing in drivers nightly 3.4 branch

Internals

SERVER-21933 Update README
SERVER-29087 system-perf.yml needs to be changed to use the new name for the timeseries html file
SERVER-29287 Upgrade pcre to 8.41
SERVER-29524 sys-perf: Call infrastructure_provisioning.py instead of infrastructure_provisioning.sh
SERVER-29565 Remove sys-perf compare tasks
SERVER-30045 Debug symbols for unittest binaries are not uploaded on non-GDB platforms
SERVER-30117 FeatureCompatibilityVersion::onInsertOrUpdate should only write to the server parameter on commit
SERVER-30241 Attach workloads html to evergreen task
SERVER-30891 perf.yml: make the -repl variants run frequently
SERVER-30938 Enable ycsb-wmajority tests in system_perf.yml
SERVER-31006 Use the latest release of curator on all branches
SERVER-31108 Update baseline tag for microbenchmarks
SERVER-31271 don't use nspr allocator for js threads for better ASAN
SERVER-31273 Use Source/Sink version of snappy functions
SERVER-31427 Disable stepback for Enterprise SLES 11/12 and Ubuntu1604 s390x
SERVER-31527 Rebaseline sys-perf after adjusting tests (3.4.9 and 3.2.17)
WT-3263 Allow archive on restart/recovery if clean shutdown
WT-3264 Permanent change to disable logging should eventually remove all logs
WT-3284 tree-walk restart bug
WT-3308 Add statistics tracking around yield loops
WT-3351 Recovery assertion failure: old_lognum < lognum
WT-3406 Reconciliation is choosing reserved records for writing.
WT-3461 Avoid long sleeps when the system clock is adjusted
WT-3470 Avoid a metadata cursor open for table open/drop
WT-3533 eviction handle walk can race with handle re-open
WT-3590 Keep data consistent if writes fail during a clean shutdown

3.4.9 Changelog

Sharding

SERVER-20392 Sharding an existing small collection results in large number of chunks
SERVER-30183 a moveChunk that joins the active moveChunk on a shard may not respect its waitForDelete
SERVER-30487 RangeDeleter holds WT transaction open while waiting for majority
SERVER-30636 RangeDeleter assert failed because of replication lag

Replication

SERVER-28277 Need to increase timeout in read_committed_with_catalog_changes.js
SERVER-29802 Non-atomic applyOps command should not take out a global exclusive lock
SERVER-30554 relax locking mode in applyOps when applying CRUD-only ops non-atomically

Query

SERVER-30189 Reduce calls to allocator for large $in expressions

Write Operations

SERVER-27317 Inserting a document with a Decimal128 value when featureCompatibilityVersion is 3.2 results in a closed socket

JavaScript

SERVER-30875 Add support for a "no-owned bson" mode for JS Scopes
SERVER-30971 Use of "scope" field in mapReduce triggers BSONObj ownership error

Storage

SERVER-26239 Improve handling of WT_CACHE_FULL for inMemory storage engine
SERVER-30490 Compile RocksDB with USE_RTTI=1
SERVER-30790 ServerStatus on WiredTiger accesses the storage engine without any locks

Build and Packaging

SERVER-29686 Remove /var/lib/mongodb from mongodb-org[-unstable] deb metapackage
SERVER-30562 avoid running many duplicate ARM64 tests for the community build

Internals

SERVER-26377 Skip running FSM workloads that use the compact command on the LSM build variant
SERVER-26824 Skip FSM workloads which rely on nUpserted or nRemoved when Balancer is enabled
SERVER-28824 Unhandled hang analyzer exception escapes loop to get threads from each process
SERVER-29431 initialsync.js does not verify that initial sync succeeds
SERVER-29714 Add Exception Message to Validate_Locale.cpp
SERVER-30509 Update Evergreen API URL in burn_in_tests.py
SERVER-30643 Performance regression with SSL
WT-3329 With a uniform workload and a number of small collections, eviction does a poor job of selecting candidates for eviction.
WT-3438 Don't tune eviction thread count when the count is fixed
WT-3499 Checkpoint can miss not yet committed item

3.4.7 Changelog

Sharding

SERVER-29817 Optimize incremental update performance of ChunkManager and CollectionMetadata
SERVER-30058 Balancer policy should not move chunks off shards on 'size exceeded' conditions
SERVER-30060 Optimize the sharding balancer's cluster statistics gathering

Replication

SERVER-27581 shouldRetry() logic in multiInitialSyncApply_noAbort() is over-aggressive
SERVER-28192 priority_takeover_one_node_higher_priority jstest needs longer stepDownGuard
SERVER-28677 InitialSyncer::_setup_inlock() should reset last applied and durable optimes.
SERVER-29015 TopologyCoordinator should not transition to candidate role in a single node replica set if we are in maintenance mode
SERVER-29240 Add test to ensure valid index creation for capped collections that roll over during initial sync
SERVER-29282 BSON Document Size can be exceeded when grouping inserts on SECONDARY nodes
SERVER-29297 stepUp should wait for durability in awaitReplication
SERVER-29383 When catchUpTimeoutMillis is 0, we should skip doing catchup entirely
SERVER-29540 awaitNodesAgreeOnPrimary should log why it retries
SERVER-30049 applyOperation_inlock() allows exceptions from Collection::insertDocument() to percolate to caller
SERVER-30054 update tags.js to make nodes at indexes 3 and 4 unelectable
SERVER-30138 make node 1 unelectable in initial_sync_invalid_views.js (3.4)
SERVER-30139 Increase waitForState timeout in replsetprio1.js
SERVER-30411 (3.4) last_vote.js should make assertCurrentTerm exception safe

Query

SERVER-29299 remove evalc.js and add currentOp to basicPlus.js's background operations.

Storage

SERVER-27831 Deadlock when listing collections on "local" database with replication enabled for KVCatalog-based storage engines without document locking
SERVER-28737 Have ephemeralForTest use std::mutex for protecting its internal data structures

Build and Packaging

SERVER-28171 Use Python 2.7 for all python invocations in evergreen.yml
SERVER-30199 'SConfBase' object has no attribute 'CheckBoostMinVersion'

Tools

TOOLS-1109 failes to build on arm64 (syscall.Dup2 not supported)
TOOLS-1741 mongoimport --uri throws errors when passed Atlas Connection String URI

Internals

SERVER-26452 renameCollection should handle write conflicts
SERVER-28046 Increase timeouts in replsets/read_committed_on_secondary.js to 10 minutes
SERVER-28596 Upload hanging or failing tests in compile_all to S3
SERVER-28991 Eliminate having individual threads in resmoke.py for flushing log output to logkeeper
SERVER-29035 Update system-perf.yml baseline references
SERVER-29327 Prevent DBDirectClient queries from storing MaxTimeMS on cursors
SERVER-29568 Enable configuration of OpenSSL cipher suite via setParameter
SERVER-29886 Hang analyzer shouldn't produce core dumps on ASan builders
SERVER-29947 Implement Storage Node Watchdog
SERVER-30132 Storage Node Watchdog needs to check journal directory
SERVER-30169 Increase Watchdog Test timeouts
SERVER-30415 Exclude new "evergreen" agent binary name from automatic process killing in Evergren
SERVER-30433 Increase Watchdog Test timeouts
TOOLS-1542 dump and export shouldn't count views before running
TOOLS-1563 windows tests are failing after use mongodb 3.4 "current" tests
TOOLS-1577 update the readme with information about mongoreplay
TOOLS-1713 Move mongoreplay evergreen config .evergreen.yml into common.yml
TOOLS-1743 legacy24 and legacy26 dumprestore tests failing on master

3.4.6 Changelog

Sharding

SERVER-27789 Increase timeouts in commands_that_write_accept_wc_*
SERVER-28351 blacklist move_stale_mongos.js and split_stale_mongos.js from the continuous stepdown suite
SERVER-28418 make the split command on mongod return a stale version error if the requested chunk bounds are not found
SERVER-29489 Balancer stats generation calls 'listDatabases' on shards without maxTimeMS or timeout

Replication

SERVER-25765 Commands should wait for write concern even if they throw an exception
SERVER-26848 Exit catchup mode when not syncing more data
SERVER-28100 extend ReplSetTest.awaitNodesAgreeOnPrimary() to accept an optional expectedPrimaryIndex
SERVER-28186 Increase slaveDelay in repl10.js test
SERVER-28326 Wait for primary to stabilize in initial_sync4.js test after node is added to 1 node replica set
SERVER-28378 Extend secondary catch up period in priority_takeover_two_nodes_equal_priority.js
SERVER-28676 [v3.4] minor_version_tags_old_new_old.js should not use replSetStepUp command
SERVER-28677 InitialSyncer::_setup_inlock() should reset last applied and durable optimes.
SERVER-28751 Allow stepDown command to work against primary in catchup mode
SERVER-28803 Increase timeout for clean_shutdown_oplog_state.js
SERVER-28813 drop collection before doing dummy write in syncFrom helper
SERVER-28877 Cancel race in replication executor can cause elections to assert.
SERVER-28969 Wait until the voter has the latest optime in case 3 of catchup.js
SERVER-29056 InitialSyncer::_startupComponent should reset 'component' before returning CallbackCanceled due to shutdown
SERVER-29100 Wait for the same journaling requirement in get_last_error.js
SERVER-29240 Add test to ensure valid index creation for capped collections that roll over during initial sync
SERVER-29382 Fix cancel race related to the timeout in ReplicationCoordinatorImpl::CatchupState
SERVER-29536 apply_batch_only_goes_forward.js should be configured to use 2 electable nodes instead of 3

Query

SERVER-29197 Dangling index records when initial syncing node clones a capped collection that deletes records during collection scan

Aggregation

SERVER-28717 $lookup does not expand 'localField' as expected when it is a dotted path representing fields within an array
SERVER-29001 Stack overflow in views_test (--dbg=on --opt=off) due to long aggregation pipeline
SERVER-29618 $geoWithin in aggregation pipeline after $lookup and $unwind returns incorrect results
SERVER-29647 Avoid moving $match to be before $sort + $limit
SERVER-29676 arrayToObject should not error out on explicit value of null for value

Storage

SERVER-22322 Better error message for "no database" from listIndexes
SERVER-27347 Only close idle cached cursors on the WiredTiger ident that is busy
SERVER-29011 Compact Calls to WiredTiger take multiple overlapping WT_SESSION objects

Operations

SERVER-29075 Add remaining client metadata to the currentOp output
SERVER-29509 shell_history.js should tolerate extended file ACLs

Build and Packaging

SERVER-27260 systemd service files should not start mongod with --quiet
SERVER-29409 Reduce Amazon Linux Enterprise build to weekly
SERVER-29503 Migrate server build from 10.10 instances to new 10.12 instances

Internals

SERVER-28052 Make SHA1Hash a full fledged class
SERVER-28162 Tests that call getLatestProfilerEntry() should be blacklisted from dynamic initial sync passthrough suites
SERVER-28323 Don't pass JavaScript scopes a function ID number
SERVER-28864 Intra-cluster compression on by default
SERVER-28960 Unittest "death tests" should not dump core
SERVER-28997 Limit SCRAM-SHA-1 Cache's use of Secure Memory
SERVER-29040 Remove deprecated "run" argument in rpm systemd service file
SERVER-29148 Increase run time for mongos tests in sys-perf
SERVER-29237 Add maxConnecting in asio connpool
SERVER-29433 Improve logging during ReplicaSetFixture initialization
SERVER-29485 Use vendorized YCSB in sys-perf.yml
SERVER-29516 Tools build on OS X needs to set -mmacosx-version-min in CGO_{C,LD}FLAGS
SERVER-29527 Use infrastructure_provisioning.sh and infrastructure_teardown.sh
SERVER-29646 hang_analyzer.py should send a SIGUSR1 to resmoke.py before attaching to any processes
SERVER-29680 Update perf.yml microbenchmarks replset config
WT-3219 Make the clang-analyzer job fail when lint is introduced
WT-3297 support the gcc/clang -fvisibility=hidden flag
WT-3327 Checkpoints can hang if time runs backward
WT-3331 Test format aborted due to time rollback
WT-3362 Cursor opens should never block for the duration of a checkpoint
WT-3369 WT_CURSOR->uri should always match the URI used to open the cursor
WT-3373 Access violation due to a bug in internal page splitting

3.4.5 Changelog

Sharding

SERVER-28513 stale_mongos_updates_and_removes.js should only call ensurePrimaryShard once
SERVER-28850 Coverity analysis defect 100646: PW.PARAMETER_HIDDEN
SERVER-28854 Replace msgBase with msg in assertion detail
SERVER-28925 Use listDatabases({'nameOnly': true}) in the addShard implementation
SERVER-29016 Config primary may hang in shutdown waiting for Balancer
SERVER-29066 Sharded findAndModify will not implicitly create the database if it does not exist

Replication

SERVER-26360 After node goes into RECOVERING due to being too stale to sync from its source, it will never recover even if there is a valid sync source it could use
SERVER-26741 "Fatal Assertion 16360" triggered by temporary collections dropped when restarted in standalone mode
SERVER-27966 last_vote.js should wait for replication before stepping down node 0 pre-reconfig
SERVER-28387 Extend secondary catchup period during stepdown in server-23299-1.js
SERVER-28480 last_vote.js should use ReplSetTest::stepUp() on node 1 before reconfig
SERVER-28490 Check the state after acquiring the lock in bgsync
SERVER-28688 Deadlock between shutdown and stepdown
SERVER-28815 multi_rs.js - step down primary during upgrade/downgrade without {force:true}

Query

SERVER-26765 Move views tests into jsCore
SERVER-28952 Multikey indexes should not be eligible for DISTINCT_SCAN if distinct key is an array component

Storage

SERVER-28038 Improve WiredTigerRecordStore invariants for capped visiblity
SERVER-28357 MMAPv1 compact operation may trigger "quota exceeded" error (12501)
SERVER-28427 GlobalLock with timeout can still block indefinitely
SERVER-29088 Cache uuid in Collection class to fix perf regression

Operations

SERVER-15407 Set thread name on Mac OS X and Linux
SERVER-26634 Integrate GDB pretty printers for server vocabulary types

Build and Packaging

SERVER-29352 Disable SNMP integration for OS X enterprise builds
SERVER-26781 Add support for building with openssl 1.1.0
SERVER-27682 Add SCons variable files for the MongoDB GCC and clang toolchains

Internals

SERVER-19677 Intel library self-check in unit tests
SERVER-21842 Generate report.json file and dump stacks on Windows when Event object created by resmoke.py is set
SERVER-27279 pthread_setname_np is not supported on SUSE 11.4
SERVER-27281 pkill/pgrep cannot find mongod on Linux
SERVER-27285 Add a jsCore passthrough with a replset that periodically SIGKILLs a secondary
SERVER-27408 burn_in_tests.py doesn't always exclude tagged tests when generating outfile
SERVER-27570 Enforce stricter checks on top level command BSON objects
SERVER-27727 Hide idle threads in hang_analyzer
SERVER-27869 Create a build artifact of hang_analyzer.py output and upload it to S3
SERVER-27870 Add option to invoke hang_analyzer.py with an explicit list of PIDs
SERVER-27871 Add hang_analyzer.py option to produce core dump, default to off
SERVER-27873 Dump a JavaScript backtrace of any code running in SpiderMonkey in hang_analyzer.py
SERVER-27874 Display locks and generate digraph for threads using LockManager locks and/or pthread_mutexes
SERVER-27877 hang_analyzer.py should deduplicate stacks from different threads in GDB
SERVER-28007 Re-enable support for CRC32 hardware acceleration on s390x
SERVER-28132 Remove sudo from hang_analyzer invocation in evergreen.yml
SERVER-28291 mongodb-uniqstack should dedupe based on frame.pc() rather than frame.name()
SERVER-28348 Detect single-process deadlocks involving LockManager locks and/or pthread_mutexes
SERVER-28349 Process output logs generated by hang_analyzer are missing stderr
SERVER-28354 Add new option to supply base process name in hang_analyzer
SERVER-28400 Update to Firefox ESR 45.8.0
SERVER-28415 Run thread backtrace before loading Python modules in hang_analyzer.py on ARM platform
SERVER-28416 Handle GDB error in hang_analyzer.py mongodb-uniqstack module
SERVER-28463 Add set scheduler-locking to Hang Analyzer to prevent threads from running in GDB
SERVER-28466 The hang analyzer should not attach to resmoke.py in Evergreen
SERVER-28479 hang_analyzer.py on OS X fails to find Python processes
SERVER-28584 Remove initialsync_{WT|MMAPv1}_dr tasks from sys-perf
SERVER-28588 Handle GDB error in hang_analyzer.py find_frame function
SERVER-28710 vectorized send() should handle EWOULDBLOCK
SERVER-28760 Add egress logging to legacy write path
SERVER-28868 Set noCursorTimeout option on oplog cursor in ReplSetTest.prototype.checkOplogs()
SERVER-28971 Error in depth_first_search algorithm incorrectly recurses on visited nodes
SERVER-28995 Format string in JstackDumper class of hang_analyzer.py has too few placeholders
SERVER-29018 3.4: mongos segfault in getMore on view with find batchSize of 0
SERVER-29068 Retry operations in set_feature_compatibility_version.js after network interruption

3.4.4 Changelog

Security

SERVER-27821 Make large_role_chain.js not run on DEBUG systems
SERVER-28014 When SSL mode is preferSSL, log connections that do not use SSL

Sharding

SERVER-20854 Don't refresh database and collection information from config server while holding a mutex
SERVER-22611 ChunkManager refresh can occasionally cause a full reload
SERVER-27681 Better concurrency control on shard metadata refresh
SERVER-27701 mongos crashed with "Invariant failure remote.status.isOK()"
SERVER-28519 Bump verbosity for mongos and config servers in authCommands.js (v3.4)
SERVER-28697 Ignore some NoProgressMade errors in sharding_balance4.js
SERVER-28698 Use the 'chunkDataCommitted' failpoint for migration_critical_section_concurrency.js
SERVER-28807 parseShardKeyPattern can leak for bad inputs

Replication

SERVER-24498 Write tests for linearizable reads in a sharded system
SERVER-26360 After node goes into RECOVERING due to being too stale to sync from its source, it will never recover even if there is a valid sync source it could use
SERVER-26830 Randomize priority takeover timeout
SERVER-27098 review and fix log levels in DataReplicator
SERVER-27120 Increase synchronization between producer/applier threads and stepdown/stepup
SERVER-27329 Move BackgroundSync::_rollback into rs_rollback.cpp and unit test it
SERVER-27403 Consider term and rbid when validating the proposed sync source
SERVER-27543 Create new metadata for oplog queries
SERVER-27834 Index builds during initial sync should not implicitly create collections
SERVER-27966 last_vote.js should wait for replication before stepping down node 0 pre-reconfig
SERVER-27995 Make replication naming conventions consistent
SERVER-28135 stepdown.js should always fsyncUnlock() all secondary nodes
SERVER-28181 Deadlock involving the mutexes of oplog fetcher and replication coordinator
SERVER-28184 remove election_timing.js (and lib/election_timing_test.js)
SERVER-28185 remove reconfig_without_increased_queues.js
SERVER-28272 extend timeout in step_down_during_draining.js when waiting for new primary
SERVER-28275 fix misleading log message in ReplicationCoordinatorImpl::_startElectSelfIfEligibleV1()
SERVER-28278 Wait for desired sync source to replicate dummy write before running replSetSyncFrom in syncFrom shell helper
SERVER-28376 ReplSetTest.initiate() should call awaitReplication before requesting node 0 to step up as primary
SERVER-28377 Do not check that remote last applied is ahead of local last fetched in OplogFetcher first batch during initial sync
SERVER-28446 Blacklist top.js from dynamic initial sync suites
SERVER-28695 step_down_during_draining.js should wait for writes to be durable before disable replication on secondaries using fail point
SERVER-28699 ReplSetTest should always awaitSecondaryNodes() at the end of initiate

Query

SERVER-27711 createIndexes command no longer supports maxTimeMS option
SERVER-27761 view can be created on top of a view with different collation than underlying view
SERVER-27972 Add a featureCompatibilityVersion op observer for database/collection drop
SERVER-28121 DurableViewCatalog shouldn't throw on null byte in view ns
SERVER-28498 Stop running the rlp* tasks on the "Enterprise RHEL 6.2 DEBUG Code Coverage" builder
SERVER-28546 documents can erroneously be unindexed from a partial index

Write Operations

SERVER-26703 Inserting deeply-nested documents should fail with error
SERVER-28347 Prohibit updates that cause documents to exceed the depth limit

Aggregation

SERVER-8433 Aggregating deeply-nested documents can cause stack overflow
SERVER-18794 Add an aggregation expression to convert an object to an array of key, value pairs
SERVER-23310 Add an expression to convert an array of pairs to an object
SERVER-27644 distinct on a view doesn't "flatten" array members
SERVER-28409 Decrease verbosity during testshard1.js

JavaScript

SERVER-22520 Educate ASAN leak checker about js allocations

Storage

SERVER-22954 MigrationDestinationManager should not directly use MMAPv1 durable interface
SERVER-28548 mmap b-tree removals may cause index readers or writers to return invalid data
SERVER-28572 Update test case to use valid custom WiredTiger configuration values
SERVER-28645 Fail commands that require too many locks instead of crashing
SERVER-28646 Don't report ops as passed if logOps causes txn to fail

Operations

SERVER-16821 Do not abort server when receiving multiple SIGUSR1 in the same second
SERVER-28380 Add a test-only clearLog command for clearing out RamLog, use it in tests when checking for a specific log message

Build and Packaging

SERVER-20540 Support compiling with split DWARF debug info
SERVER-28390 Mark link targets as Precious when incremental linking flags are enabled

Internals

SERVER-21539 Generate report.json file when resmoke.py receives a SIGUSR1
SERVER-26952 Cache SCRAM-SHA-1 ClientKey
SERVER-27191 hang analyzer should dump lock manager state
SERVER-27684 Remove the self-imposed 2 minute limit from hang_analyzer.py
SERVER-27687 ppc64le build incorrectly indicates pointer size of 32
SERVER-27691 ServiceContext::setKillAllOperations should be replaced with an operation that interrupts running operations
SERVER-27853 Fetch debug symbols before invoking hang_analyzer.py
SERVER-27854 initiate replicasets faster in replicaset.py
SERVER-27866 The globalLockManager dump should print thread ID in decimal & hex
SERVER-27868 Upload debug symbols on all build variants that create separate symbol files
SERVER-27875 Dump critical sections on Windows in hang_analyzer.py
SERVER-27876 hang_analyzer.py should deduplicate stacks from different threads in Windows debugger CDB
SERVER-28091 Disk stats collection on OS X only captures I/O utilization averaged over the uptime of the machine
SERVER-28169 Set eviction=(threads_min=1) in Microbenchmarks testing
SERVER-28259 Log time to establish egress connections through NetworkInterfaceASIO
SERVER-28329 Remove comparison tasks from Microbenchmarks
SERVER-28426 Update etc/longevity.yml to use run_test.py instead of run-${test}.sh
SERVER-28430 Expose dropConnections() method on ConnectionPool through the NetworkInterface
SERVER-28462 Update perf.yml to compare against latest stable release
SERVER-28489 MockStream should handle cancellation while it is paused
SERVER-28526 Update Evergreen API URL in burn_in_tests.py
SERVER-28530 SSLThreadInfo invokes constructor in destructor
SERVER-28547 sharding_continuous_config_stepdown suite doesn't actually step any nodes down
SERVER-28586 "do jepsen setup" function should check out branch before trying to change to subdirectory
SERVER-28652 Add logging to track egress connection pool size
SERVER-28692 Move shell tarball generation to compile task
SERVER-28748 Set virtual memory ulimit in package smoke testing for mongo shell tests
SERVER-28823 burn_in_tests.py does not use api server default due to missing None check
WT-98 Update the current cursor value without a search
WT-2439 Enhance reconciliation page layout
WT-2990 checkpoint load live_open assertion failure
WT-3136 bug fix: WiredTiger doesn't check sprintf calls for error return
WT-3155 Remove WT_CONN_SERVER_RUN flag
WT-3182 Switch make-check to run the short test suite by default
WT-3190 Enhance eviction thread auto-tuning algorithm
WT-3191 lint
WT-3193 Close a race between verify opening a handle and eviction visiting it
WT-3196 Race with LSM and eviction when switching chunks
WT-3199 bug: eviction assertion failure
WT-3202 wtperf report an error on in_memory=true mode : No such file or directory
WT-3203 bulk-load state changes can race
WT-3204 eviction changes cost LSM performance
WT-3207 Drops with checkpoint_wait=false should not wait for checkpoints
WT-3208 test format hung with 9mb cache
WT-3211 WT_CURSOR.remove cannot always retain its position.
WT-3212 'wt dump' crashes when given table with unknown collator
WT-3213 generated test/format CONFIG invalid on next run
WT-3216 add support for clang-tidy
WT-3224 LSM assertion failure pindex->entries == 1
WT-3225 WiredTiger won't build with clang on CentOS 7.3.1611
WT-3227 Python test suite inserts unnecessary whitespace in error output.
WT-3228 Remove with overwrite shouldn't return WT_NOTFOUND
WT-3234 Update WiredTiger build for clang 4.0.
WT-3238 Java: Cursor.compare and Cursor.equals throw Exceptions for valid return values
WT-3240 Coverity reports
WT-3243 Reorder log slot release so joins don't wait on IO
WT-3244 metadata operations failing in in-memory configurations
WT-3249 Unit test test_readonly fails as it is unable to open WiredTiger.lock
WT-3250 Incorrect statistics incremented on Windows
WT-3254 test_reconfig02 uses incorrect configuration string
WT-3262 Schema operations shouldn't wait for cache
WT-3265 Verify hits assertion in eviction when transiting handle to exclusive mode
WT-3271 Eviction tuning stuck in a loop

3.4.3 Changelog

Sharding

SERVER-27382 Remove usages of DBConfig::reload
SERVER-27809 Move split logic outside of the Chunk class
SERVER-27940 Deadlock ReplicaSetMonitorManager on shutdown
SERVER-28030 Move 'initial chunks' writes out of ChunkManager
SERVER-28098 Get rid of DBConfig::getAllShardIds
SERVER-28106 Cleanup the contract of ChunkManager::findIntersectingChunk
SERVER-28111 Move parallel.h/parallel.cpp to be under mongo/s/client
SERVER-28155 Cleanup sharding library dependencies

Replication

SERVER-20844 Start ReplSetTests faster wrt initial election
SERVER-26914 improve log messages for freshness checking
SERVER-26918 backup_restore.js - nodes should agree on primary before starting FSM clients
SERVER-26930 backup_restore.js should await replication after fsm clients have stopped and hidden node has become secondary
SERVER-27035 rs.compareOpTimes() throws exception when comparing with empty OpTime
SERVER-27189 _getLastOpTime / _getDurableOpTime do not handle missing nodes gracefully
SERVER-27405 fix race in read_after_optime.js
SERVER-27488 Unblacklist bypass_doc_validation.js in static resync passthrough
SERVER-27551 QuorumChecker should retry requests that fail
SERVER-27783 Remove unnecessary lock in SyncSourceFeedback
SERVER-27791 increase write concern timeout in gle/block2.js and gle/get_last_error.js from 30 seconds to 5 minutes
SERVER-27794 Provide write concern to bulk insert in indexbg_drop.js
SERVER-27799 apply setParameter for maxSyncSourceLagSecs to slave 2 only in maxSyncSourceLagSecs.js
SERVER-27808 backup_restore.js should await replication and re-evaluate primary before adding new hidden secondary to replica set
SERVER-27810 Guarantee that replicaset is stable with node 0 as primary after ReplSetTest.initiate()
SERVER-27816 increase wtimeout in sync2.js
SERVER-27837 exclude rename collection FSM workload in backup_restore.js
SERVER-27839 Allow for step downs during reconfig in ReplSetTest initiate
SERVER-27840 add wtimeout to write concerns in protocol_version_upgrade_downgrade.js
SERVER-27844 increase timeout in repl/block2.js
SERVER-27847 increase timeout in apply_batch_only_goes_forward.js
SERVER-27861 Make the failover in drain.js more reliable
SERVER-27889 Change catchup.js to be resilient to replSetStepUp failing because the node is already a candidate
SERVER-27905 fix race in DataReplicatorTest::DataReplicatorReturnsCallbackCanceledIfShutdownImmediatelyAfterStartup
SERVER-28005 Oplog query network timeout is less than the maxTimeMs
SERVER-28013 Ensure ReplClientInfo's last opTime can't be moved backwards
SERVER-28037 Raise default writeConcern wtimeout in db.js to 10 minutes
SERVER-28041 remove awaitNodesAgreeOnPrimary() call in sync2.js
SERVER-28047 ReplSetTest._callIsMaster() should set slaveOk on primary
SERVER-28050 Reconnect connection after stepdown in read_committed_stale_history.js
SERVER-28075 Wait for DB works in simulateSuccessfulV1ElectionAt()
SERVER-28110 Set secondaryCatchUpPeriodSecs smaller when requesting remote primary stepdown

Query

SERVER-28017 $ne perform a case sensitive find when it should do a case insensitive find based on collation settings

Aggregation

SERVER-27253 $lookup and $graphLookup do not increment index stats counters
SERVER-27362 MapReduce can attempt to deregister a cursor without holding a collection lock

Storage

SERVER-3181 Add option to listDatabases to only get db names, not size info
SERVER-27807 creating a snapshot and registering it in the replcoord is not synchronous
SERVER-27857 Rewrite the remove_during_mr.js test as an FSM workload
SERVER-27936 fix improper release of locks in master/slave handleDuplicateDbName
SERVER-28049 List Databases command should apply filter on name only before database locks
SERVER-28249 Use TCMalloc MarkThreadTemporarilyIdle instead of MarkThreadIdle

WiredTiger

SERVER-28026 Disable auto-tuning of WiredTiger eviction threads

MMAP

SERVER-24963 Concurrent collection.drop() and system.indexes.count() can trigger an fassert
SERVER-27930 Accessing cursor with pending data after renaming collection may trigger fassert
SERVER-27996 Accessing system.namespaces cursor with pending data after removing namespaces may cause crash
SERVER-28022 Accessing cursor with pending data after forcing system.namespaces record move may cause crash

TTL

SERVER-28154 Race condition in ttl_sharded.js

Operations

SERVER-6065 db.shutdownServer() does not work as expected when mongod is a Windows Service
SERVER-16796 Increase logging activity for journal recovery operations
SERVER-27863 Reschedule early alarms in NetworkInterfaceASIO to avoid mongos crash

Build and Packaging

SERVER-25309 Add RHEL 6 zSeries build variant
SERVER-27623 SLES11 s390x build should target z9-109, not z196
SERVER-27836 Package smoke testing should retry verify step and not call converge
SERVER-27856 Stop running the concurrency suite on the ubuntu1604-arm64-large distro

Internals

SERVER-21675 Remove 'legacy' from Evergreen task names
SERVER-23959 option to allow disabling job object creation in smoke.py for win32
SERVER-26522 CleanEveryN output should be written to logkeeper
SERVER-26523 Replace raise errors.TestFailure with raise errors.ServerFailure in passthrough hooks where appropriate
SERVER-26642 JS compiled code string length limit on Windows
SERVER-27091 Add large dataset initialsync test into system performance test
SERVER-27234 Evergreen task disk statistics improvement
SERVER-27700 WT secondary performance drops to near-zero with cache full
SERVER-27784 Remove httpget() from packager.py
SERVER-27858 Increase the task timeout when running to the concurrency suite to 6 hours
SERVER-27920 Fix incorrect locking of Client context
SERVER-27935 Fix serialization of concurrent fsyncLock execution
SERVER-27963 Disable CRC32 hardware support on s390x builders
SERVER-27983 Move sys-perf state to /data from $HOME
SERVER-28000 sys-perf: Organize all dsi yaml config files under configurations/
SERVER-28067 Update sys-perf.yml to copy over cluster.json
SERVER-28086 Update system-perf.yml tagged commit
SERVER-28147 Increase time out on sys-perf shard tests
SERVER-28239 Fix double ticket holder release in transport layer legacy during primary step down
TOOLS-1605 Conditionally create a Windows job object in smoke.py
WT-2771 Add a statistic to track per-btree dirty cache usage
WT-2790 Fix a text case false positive in test_sweep01
WT-2833 improvement: add projections to wt dump utility
WT-2898 Improve performance of eviction-heavy workloads by dynamically controlling the number of eviction threads
WT-2909 Create automatable test verifying checkpoint integrity after errors
WT-2994 Create documentation describing page sizes and relationships
WT-3080 Python test suite: add timestamp or elapsed time for tests
WT-3082 Python test suite: shorten default run to avoid pull request timeouts.
WT-3083 Fix a bug in wtperf config dump
WT-3086 Add transaction state information to cache stuck diagnostic information
WT-3088 bug: Don't evict a page with refs visible to readers after a split
WT-3091 Add stats to test_perf0001
WT-3092 Quiet a warning from autogen.sh
WT-3093 Padding the WT_RWLOCK structure grew the WT_PAGE structure.
WT-3097 Race on reconfigure or shutdown can lead to waiting for statistics log server
WT-3099 lint: static function declarations, non-text characters in documentation
WT-3100 test bug: format is weighted to delete, insert, then write operations.
WT-3104 Fix wtperf configs for eviction tests
WT-3105 Fix a deadlock caused by allocating eviction thread sessions dynamically
WT-3106 Add truncate support to command line wt utility
WT-3108 Also dump disk page size as part of metadata information
WT-3109 wording fix in transaction doc
WT-3110 Add more test cases for the WT command line utility
WT-3111 util_create() doesnt free memory assigned to "uri"
WT-3112 Handle list lock statistic not incremented in eviction server
WT-3113 Add a verbose mode to dump the cache when eviction is stuck
WT-3114 Avoid archiving log files immediately after recovery
WT-3115 Change the dhandle lock to a read/write lock
WT-3116 Python style testing in s_all may not execute correctly
WT-3118 Protect random-abort test against unexpectedly slow child start
WT-3120 Fix ordering problem in connection_close for filesystem loaded in an extension
WT-3121 In test suite create standard way to load extensions
WT-3126 bug: dist/s_all script has misplaced quote causing bad error reporting
WT-3127 bug: CPU yield calls don't necessarily imply memory barriers
WT-3128 wt printlog returns operation-not-supported if it doesn't find any log files
WT-3130 Ensure extensions have access to database home directory
WT-3134 Coverity scan reports 1368529 and 1368528
WT-3135 search_near() for index with custom collator
WT-3137 Hang in __log_slot_join/__log_slot_switch_internal
WT-3139 Enhance wtperf to support periodic table scans
WT-3143 Coverity scan report 1369053
WT-3144 bug fix: random cursor returns not-found when descending to an empty page
WT-3148 Improve eviction efficiency with many small trees
WT-3149 Change eviction to start new walks from a random place in the tree
WT-3150 Reduce impact of checkpoints on eviction server
WT-3152 Convert table lock from a spinlock to a read write lock
WT-3156 Assertion in log_write fires after write failure
WT-3157 checkpoint/transaction integrity issue when writes fail.
WT-3159 Incorrect key for index containing multiple variable sized entries
WT-3161 checkpoint hang after write failure injection.
WT-3164 Ensure all relevant btree fields are reset on checkpoint error
WT-3170 Clear the eviction walk point while populating from a tree
WT-3173 Add runtime detection for s390x CRC32 hardware support
WT-3174 Coverity/lint cleanup
WT-3175 New hang in internal page split
WT-3179 test bug: clang sanitizer failure in fail_fs
WT-3180 fault injection tests should only run as "long" tests and should not create core files
WT-3184 Problem duplicating index cursor with custom collator
WT-3186 Fix error path and panic detection in logging loops
WT-3187 Hang on shutdown with a busy cache pool
WT-3188 Fix error handling in logging where fatal errors could lead to a hang
WT-3189 Fix a segfault in the eviction server random positioning

3.4.2 Changelog

Sharding

SERVER-26562 Move CommitChunkMigration command implementation into a Catalog function and unit test it
SERVER-26785 rewrite addshard2.js to be able to unblacklist it from the last_stable suite
SERVER-26791 move/split/mergeChunk commands do a full metadata refresh on the shard
SERVER-26903 ShardingTest is failing non-retriable writes when the primary steps down because the stepdown suite turns the electionTimeoutMillis down from 10,000 ms to 5,000 ms
SERVER-27146 Enforce maxStalenessSeconds >= 90
SERVER-27258 A v3.4 config server can crash with a core dump if it gets an unsupported shard key from mongo S.
SERVER-27321 Rename ScopedChunkManager::getExisting to refreshAndGet
SERVER-27364 Remove DBConfig::setPrimary
SERVER-27366 Remove DBConfig::enableSharding
SERVER-27381 Remove DBConfig::dropDatabase
SERVER-27393 Balancer taking 100% CPU due to large number of dropped sharded collections
SERVER-27419 Move cluster 'drop' command to a separate file
SERVER-27428 MigrationChunkClonerSourceLegacy's unit-tests do not wait for the onCommand handler thread to complete
SERVER-27460 RouterStageMerge::kill() can crash during mongos shutdown
SERVER-27466 move transitionToPrimaryHangBeforeInitializingConfigDatabase to before taking the global exclusive lock
SERVER-27473 Remove writes from DBConfig
SERVER-27480 Get rid of ConfigServer class
SERVER-27510 Compare only epochs instead of full chunk versions in CollectionMetadata::checkChunkIsValid()
SERVER-27526 Get rid of all non-metadata usages of DBConfig::isShardingEnabled
SERVER-27556 Cleanup sharding request processing code
SERVER-27613 Remove unused 'chunkVersion' field sent in splitChunk command
SERVER-27667 Get rid of the sharding Request class
SERVER-27726 Split ShardingCatalogManagerImpl into multiple .cpp files by category of operation
SERVER-27736 DBConfig should not store unsharded collections

Replication

SERVER-23759 shutting down a node while replication is initializing can crash
SERVER-25860 Flatten / optimize fixup_info
SERVER-26528 Add additional logging when sync source is changed or cleared
SERVER-26773 two_initsync.js should check that inserts succeed
SERVER-26945 master-slave ReplSource::resyncDrop should not assume database name obtained from listDatabases result exists locally
SERVER-26951 remove or improve replset9.js
SERVER-27046 race between CollectionCloner::_findCallback and CollectionCloner::_insertDocuments
SERVER-27050 Ensure upstream node doesn't roll back after checking minvald
SERVER-27052 Add asynchronous operation support to DataReplicator
SERVER-27056 Don't enforce data freshness for step-up command
SERVER-27079 DataReplicator should wait for last oplog fetcher to finish before starting next initial sync attempt
SERVER-27118 Default shutdown command's 'timeoutSecs' argument to 10 seconds
SERVER-27123 Only update commit point via spanning tree
SERVER-27125 Arbiters in pv1 should vote no in elections if they can see a healthy primary of equal or greater priority to the candidate
SERVER-27154 replSetRequestVotes command should wait for durability
SERVER-27155 replSetRequestVotes records dryRun votes as real
SERVER-27157 replSetRequestVotes doesn't synchronize between processing and recording request
SERVER-27216 Increase catchup timeout to 300 seconds in catchup.js
SERVER-27231 add failpoint to turn off re-evaluating sync sources, for jstests that manipulate chaining
SERVER-27282 Clean up and fix bugs in RS rollback error handling
SERVER-27295 always set slaveOk to true on remote commands in the old initial sync
SERVER-27301 converted OpObserver into an interface. ServiceContext should always return a valid OpObserver implementation.
SERVER-27323 Use stopOplogFetcher failpoint instead of rsSyncApplyStop failpoint in write_concern_after_stepdown_and_stepup.js
SERVER-27352 Fix stepdown command in double_rollback.js
SERVER-27365 reconfig_without_increased_queues.js should initiate node 2 of its replicaset with priority 0
SERVER-27397 Disable OplogFetcher sync source re-evaluation during initial sync
SERVER-27409 zbigMapReduce.js should use a write concern for inserts so it does not roll over its oplog
SERVER-27446 operation_latency_histogram.js fails in initial sync passthrough due to reads performed by the repl system
SERVER-27461 Retry connecting to shut down primary until failure in shutdown_primary.js
SERVER-27468 Do not run dynamic initial sync passthroughs on 3dot2 initial sync variant
SERVER-27523 geo_s2cursorlimitskip.js fails in initial sync passthrough due to reads performed by the repl system
SERVER-27544 shutdown_primary.js shouldn't try to disable rsSyncStopApply failpoint on primary
SERVER-27582 lastVote is not properly initialized
SERVER-27583 SyncSourceFeedback should be shut down outside ReplicationCoordinatorExternalStateImpl lock
SERVER-27611 DatabaseCloner::shutdown() does not shut down CollectionCloner
SERVER-27624 SyncSourceFeedback should check for shutdown before setting _reporter
SERVER-27656 Ensure node 0 is not primary during reconfig in last_vote.js
SERVER-27657 last_vote.js should wait for reconfig to reach all nodes before continuing
SERVER-27677 CollectionBulkLoader::_releaseResources() should ensure there is a Client available
SERVER-27678 CollectionCloner should call _finishCallback at most once
SERVER-27680 Make bgsync check stopOplogFetcher failpoint before scheduling new OplogFetcher
SERVER-27712 Do not specify _id field in user_defined_roles_on_secondaries.js
SERVER-27741 fix race in DataReplicatorTest::DataReplicatorResetsOnCompletionCallbackFunctionPointerUponCompletion
SERVER-27775 fix race in collection_cloner_test CollectionClonerTest::CollectionClonerCannotBeRestartedAfterPreviousFailure

Query

SERVER-24027 The planner does not consider reversing index scan direction in order to obtain a SORT_MERGE plan
SERVER-26734 indexStats action is not sufficient privileges for $indexStats operator
SERVER-27042 Fix and modernize currentop.js
SERVER-27438 Legacy query via mongos drops $comment
SERVER-27449 set_feature_compatibility_version.js should not give votes to replica set members expected to crash
SERVER-27465 rewrite killop.js using setYieldAllLocksHang failpoint
SERVER-27525 collation.js should use test-specific database
SERVER-27584 Add support for filter to listDatabases
SERVER-27649 Don't error on serialization of $elemMatch with $regex

Write Operations

SERVER-24563 Secondary crash when inserting document into db with different case

Aggregation

SERVER-25535 Remove injectExpressionContext() methods from pipeline directory
SERVER-27288 DocumentSourceSkip and DocumentSourceMatch getNext() should release GetNextResult reference prior to subsequent underlying source getNext() call
SERVER-27304 Create setParameter to make all aggregations which require merging select the primary shard as the merger
SERVER-27307 DocumentSourceCursor should store namespace as NamespaceString
SERVER-27406 Reduce DocumentSourceCursor batch size from 16MB to 4MB
SERVER-27420 Aggregation should explicitly parse apart BSON Arrays
SERVER-27527 Remove explicit shardingEnabled check for databases in M/R and aggregation

Storage

SERVER-25286 Remove drop2.js dependency on count scan yield behavior
SERVER-27243 Upgrade to 3.4 'create collection' fails in Backup
SERVER-27256 Run getMore test in sharded configuration in views_authz.js
SERVER-27418 [trivial] Enable noPassthrough/index_version_v2.js test for MongoRocks
SERVER-27512 queryable_mmapv1 can encounter larger blocks than the default page size
SERVER-27591 Need to abandonSnapshot after unlocking in TTLMonitor

WiredTiger

SERVER-26545 Remove fixed-size limitation on WiredTiger hazard pointers

Operations

SERVER-26960 Consider improving error message when attempting $natural sort on a view
SERVER-27289 Shell: mongo --host replSet/Host:Port no longer works
SERVER-27576 MongoDB 3.4 'mongo' shell quit() not working

Build and Packaging

SERVER-27450 Add i386 architecture to repo config yaml for debian and ubuntu.

Tools

TOOLS-1553 PreProcessing is failling with "got invalid document size"
TOOLS-1569 mongo-replay crashes during playback
TOOLS-1576 nil pointer derereference when error occurs

Internals

SERVER-24695 burn_in_tests.py should have a mechanism for blacklisting tests and suites similar to resmoke.py
SERVER-26308 Decrease number of jobs for sharding-related suites on Windows DEBUG and PPC variants
SERVER-26525 Factor out identical jstest checkLog functions and increase timeout
SERVER-26806 Randomly restart initial sync in the dynamic initial sync passthrough
SERVER-26860 add more unittests for compatible-first locking policy
SERVER-27126 Remove reference to mongodb-mongo-master Evergreen project in burn_in_tests.py script
SERVER-27175 Address slowness in Explain::getPlanSummary
SERVER-27208 Update microbenchmarks to use next mongo-perf release
SERVER-27232 Refresh and Setup timeouts in the ASIO connpool can prematurely time out an operation
SERVER-27306 Remove AutoGetCollection* methods that take std::string namespace
SERVER-27339 ReplSetTest shouldn't inspect TestData directly
SERVER-27343 Reduce Frequency of sys-perf runs
SERVER-27350 Enable access control for microbenchmarks in Evergreen
SERVER-27370 MongoDB 3.4.0 with --rest segfaults if the route /isMaster is called
SERVER-27456 Microbenchmarks: Increase inMemorySizeGB and oplogSize
SERVER-27459 dbtest should set featureCompatibilityVersion to the most recent value during global initialization
SERVER-27568 mongo-perf: Release 2017-01
SERVER-27605 Reduce concurrency for jsCore_small_oplog_rs_resync_static, jsCore_small_oplog_rs_initsync and jsCore_small_oplog_rs_initsync_static
SERVER-27618 Make NetworkInterfaceASIO stress test less stressful
SERVER-27653 Blacklist Concurrency suite in burn_in_tests
SERVER-27754 Use requests instead of httplib2 in packager.py
TOOLS-1541 support exporting views
TOOLS-1549 --gssapiServiceName should not require --gssapiHostName in the tools
TOOLS-1559 TestCommandOpGetMoreLiveDB is failing after upgrade to 3.4 in evergreen
TOOLS-1579 Progress bar exceeding 100%
WT-283 Add a way to change persistent object settings
WT-2336 Add a test validating schema operations via file system call monitoring
WT-2402 Misaligned structure accesses lead to undefined behavior
WT-2670 Inefficient I/O when read full DB (poor readahead)
WT-2960 Inserting multi-megabyte values can cause pathological lookaside usage
WT-2969 Possible snapshot corruption during compaction
WT-3014 Add GCC/clang support for ELF symbol visibility.
WT-3021 Fixes needed for Java log cursor example, Java raw mode cursors, log cursors in raw mode
WT-3025 fix error path in log_force_sync
WT-3028 Workloads with all dirty pages could trigger diagnostic stuck check
WT-3030 Test failure indicating invalid key order during traversal
WT-3034 Add support for single-writer named snapshots.
WT-3037 Fix some outdated comments in logging
WT-3048 WiredTiger maximum size warning uses the wrong format.
WT-3051 Remove external __wt_hex symbol.
WT-3052 Improve search if an index hint is wrong
WT-3053 Review Python and Java calls to internal WiredTiger functions
WT-3054 Java PackTest, PackTest03 do not compile
WT-3055 Java AsyncTest faults
WT-3056 For cursors with projections, keys should be allowed
WT-3057 WiredTiger hazard pointers should use the WT_REF, not the WT_PAGE.
WT-3061 syscall test runs with checkpoint_sync=false and doesn't acknowledge pwrite64
WT-3064 minor tree cleanups: .gitignore, NEWS misspelling
WT-3066 lint
WT-3068 Copy wtperf artifacts when running Jenkins tests
WT-3069 Fix build failures in LevelDB APIs
WT-3070 Fix search_near() for index cursor
WT-3071 Java: fix build with -Werror=sign-conversion
WT-3075 Document and enforce that WiredTiger now depends on Python 2.7
WT-3078 Fix a hang in the reconfiguration test.
WT-3084 Fix Coverity resource leak complaint.

3.4.1 Changelog

Security

SERVER-27194 Views should require both "viewOn" and "pipeline" to be specified if modifying view when auth is enabled

Sharding

SERVER-22657 Add invariants and write unit-tests for the legacy migration chunk cloner
SERVER-26832 Add tests for shell commands
SERVER-26849 Should join balancer thread on shutdown
SERVER-27071 ensure config.version doc cannot replicate to secondaries in config_version_rollback.js
SERVER-27078 Race in ShardRegistry initialization causes it to not update the config server connection string
SERVER-27102 force a ShardRegistry reload in the beginning of addShard to ensure a removed shard's ReplicaSetMonitor has been detached
SERVER-27215 Some invariants in MigrationChunkClonerSourceLegacy are not applicable to broadcast multi-update and multi-delete

Replication

SERVER-27024 Write additional test for new replSetStepDown behavior
SERVER-27092 blacklist apply_ops1.js from dynamic initial sync passthroughs
SERVER-27110 clear OplogBuffer at the end of initial sync
SERVER-27117 set writeConcernMajorityJournalDefault to false in nojournal, inmem, and ephemeralForTest variants
SERVER-27124 Disallow readConcern:majority reads on pv0
SERVER-27164 Deadlock during oplog application when implicitly creating multiple collections on the same DB
SERVER-27176 Improve performance of command writeConcern parsing
SERVER-27196 add timeouts to stepdown_needs_electable_secondary.js
SERVER-27206 blacklist tests involving MapReduce from initial sync dynamic passthroughs
SERVER-27214 Disallow chaining in stepdown_needs_electable_secondary.js and stepdown_needs_majority.js

Query

SERVER-27197 Code BSON type should not be compared using a collation-aware string comparator
SERVER-27200 Comparison of the scope object in a BSON element of type CodeWScope should not respect the collation
SERVER-27207 Find on view with sort through mongos may incorrectly return empty result set
SERVER-27300 Disallow indexing of BSONType::Symbol with a non-simple collation

Aggregation

SERVER-27201 $graphLookup triggers null pointer dereference
SERVER-27213 Two $match stages combine incorrectly, yielding incorrect results.

Storage

SERVER-27203 Queryable WT incorrectly read config string
SERVER-27217 Allow nopreallocj to be specified in YAML config file
SERVER-27246 Running applyOps with an op on a nonexistent database using mmapv1 will crash mongod

WiredTiger

SERVER-26870 Sometimes collection data file is not removed even though collection is dropped
SERVER-27218 Startup warning recommending the use of XFS isn't displayed properly in Mongo Shell

Operations

SERVER-27210 3.4.0 mongo shell unable to connect using MongoURI with "ssl=true"
SERVER-27271 rolesInfo command raises System.InvalidOperationException : Duplicate element name 'roles'.

Build and Packaging

SERVER-17368 Create windows SSL zip file with OpenSSL files
SERVER-27130 Switch mongo-rocks to v3.4 branch for 3.4
SERVER-27241 Cannot write pid file to /var/run/mongodb/mongod.pid: No such file or directory
SERVER-27377 Dynamic builds should use --no-as-needed for executables, not just libraries

Tools

TOOLS-1498 Stats collection has large playback performance impact
TOOLS-1501 Add option to set capture buffer size to avoid packet loss
TOOLS-1502 Playback file contains full reply payload
TOOLS-1516 mongoreplay: out of bounds error in "shortenreply" during record
TOOLS-1535 Add test for restoring a collection with a default collation
TOOLS-1561 nil pointer dereference in mongoreplay when error on new playback file creation

Internals

SERVER-20447 Add concurrency workload that tests distributed lock code
SERVER-26445 resmoke.py's LoggerPipe threads can stop consuming output from their pipes for long periods
SERVER-26940 Network Interface ASIO Integration Test stress test opens too many connections on windows
SERVER-26981 Update mongo-perf
SERVER-27141 Update perf.yml, system-perf.yml, and longevity.yml on 3.4 branch
SERVER-27145 Shard name from a single node mongod not used as shard index in getSerializedCluster concurrency suite file cluster.js
SERVER-27171 Add operator<<(bool) to StringBuilderImpl
SERVER-27202 Mark sys-perf cluster idle after regression runs
SERVER-27223 Make Command::parseNs() more efficient
SERVER-27240 ConnectBG must not close() while the background thread is active
SERVER-27275 Longevity uploads compiled mongod archive to different url than sys-perf
SERVER-27358 Socket::connect expects _timeout field to be in milliseconds
SERVER-27363 Typo in packaging script
SERVER-27388 Handle exceeded time limit in NI connection hook
TOOLS-1541 support exporting views
TOOLS-1558 use mongodb 3.4 "current" tests in master

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Release Notes for MongoDB 3.4

Compatibility Changes in MongoDB 3.4

3.4 Changelog.leafygreen-ui-m0pgrr{-webkit-align-self:center;-ms-flex-item-align:center;align-self:center;padding:0 10px;visibility:hidden;}.leafygreen-ui-a30zj9{color:#889397;vertical-align:middle;margin-top:-2px;}.css-fmznk8{margin-top:-85px;position:absolute;padding-bottom:2px;}

3.4.24 Changelog

Security

Sharding

Replication

Query

Build and Packaging

Internals

3.4.23 Changelog

Sharding

Replication

Query

Storage

Operations

Build and Packaging

Internals

3.4.22 Changelog

Security

Replication

Query

Storage

Build and Packaging

Internals

3.4.21 Changelog

Security

Replication

Aggregation

Storage

Operations

Build and Packaging

Internals

3.4.20 Changelog

Sharding

Replication

Query

Aggregation

Storage

Tools

Internals

3.4.19 Changelog

Sharding

Replication

Query

Aggregation

Storage

Operations

Build and Packaging

Tools

Internals

3.4.18 Changelog

Security

Sharding

Replication

Query

Storage

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Tools

Internals

3.4.17 Changelog

Security

Sharding

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JavaScript

Storage

Operations

Build and Packaging

Internals

3.4.16 Changelog

Security

Sharding

Replication

Query

Storage

Operations

Build and Packaging

Internals

3.4.15 Changelog

Security

Sharding

3.4 Changelog