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db.hostInfo()
Returns a document with information about the underlying system that the
mongod
ormongos
runs on. Some of the returned fields are only included on some platforms.db.hostInfo()
provides amongosh
helper method around thehostInfo
command. The output ofdb.hostInfo()
on a Linux system will resemble the following:{ "system" : { "currentTime" : ISODate("<timestamp>"), "hostname" : "<hostname>", "cpuAddrSize" : <number>, "memSizeMB" : <number>, "memLimitMB" : <number>, // Available starting in MongoDB 4.0.9 (and 3.6.13) "numCores" : <number>, "cpuArch" : "<identifier>", "numaEnabled" : <boolean> }, "os" : { "type" : "<string>", "name" : "<string>", "version" : "<string>" }, "extra" : { "versionString" : "<string>", "libcVersion" : "<string>", "kernelVersion" : "<string>", "cpuFrequencyMHz" : "<string>", "cpuFeatures" : "<string>", "pageSize" : <number>, "numPages" : <number>, "maxOpenFiles" : <number> }, "ok" : <return> } See
hostInfo
for full documentation of the output ofdb.hostInfo()
.