Delve into the inner workings of MongoDB’s WiredTiger storage engine! Renowned for its flexibility and scalability, MongoDB harnesses the power of WiredTiger to offer features like document-level concurrency, advanced compression, and rapid in-memory data access. 
As we navigate the complexities of today’s data-driven world, get a snapshot of MongoDB engine’s internal workings through these key processes:
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Initial Write & In-Memory Storage
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Buffer Pool: Data’s Temporary Residence
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Write-Ahead Logging (WAL) in Action
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The Role of B-Trees
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The Art of Compression
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Ensuring Durability: Data’s Journey to Disk
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MVCC in Action
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Snapshot Management
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Safety Checkpoints
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Dynamic Page Management in B-Trees
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Data File Management
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Garbage Collection
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Managing Concurrent Reads and Writes
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Replication Synchronization
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Data Between Memory and Disk
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How WiredTiger Complements MongoDB Features
For a comprehensive exploration of each step: MongoDB and WiredTiger: A Journey Through the Storage Engine Medium Article