#wiredtiger

2 posts tagged with "wiredtiger"

• Inside MongoDB Transactions: MVCC, Snapshots, and How WiredTiger Avoids Write Locks

  Mar 8, 2026 15 min read

  A deep dive into MongoDB’s transaction model in WiredTiger: MVCC, snapshot isolation, update chains, and how it contrasts with lock-free hazard pointer and skip list concurrency in memory.

  • mongodb
  • wiredtiger
  • databases
  • mvcc
  • transactions
  • concurrency
  • distributed-systems

• Lock-Free Concurrency in MongoDB: Hazard Pointers and Skip Lists Inside WiredTiger

  Mar 1, 2026 10 min read

  How MongoDB's WiredTiger storage engine achieves lock-free reads and writes using hazard pointers, skip lists, and atomic CAS operations.

  • mongodb
  • wiredtiger
  • databases
  • distributed-systems
  • concurrency
  • lock-free