~/talk

Understanding and tuning WiredTiger

Talkat HighLoad++ 2015 · 2015-11-02..11-03· [databases]
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slides:none on file

Covers the WiredTiger storage engine introduced in MongoDB 3.0, explaining its architecture (document-level MVCC locking), compression support, and the option between B-tree and LSM indexes. Describes how to tune and monitor WiredTiger for improved performance.

AI-written summary · about

  1. 0:00Start
  2. 1:06Most popular NoSQL database
  3. 1:235 NoSQL categories
  4. 2:26MongoDB is a Document Database
  5. 3:48Operational Database Landscape
  6. 11:40MongoDB 3.0 Storage Engine API
  7. 14:11Some existing engines
  8. 16:18What is Wired Tiger
  9. 19:54Choosing Wired Tiger at server startup
  10. 20:26Main tunables exposed as MongoDB options
  11. 21:41All Wired Tiger options via configString (hidden)
  12. 23:45Understanding Wired Tiger architecture
  13. 26:22Covering 90% of your optimization needs
  14. 27:04fit working set in Cache
  15. 27:33fit working set in OS Disk Cache
  16. 29:16Strategy 2
  17. 29:48SSD disk + compression to save
  18. 30:16SSD disk (no compression)
  19. 30:44Compression benchmarks
  20. 33:11What problem is solved by LSM indexes?
  21. 36:052B inserts (with 3 secondary indexes)
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