~/talk

Migration from Cassandra to DynamoDB

TalkinRussianat Software Architecture fwdays'21 conference · 2021-06-01..06-08· [databases]
links:none on file
slides:none on file

A presentation about migrating a primary datastore from Cassandra to AWS DynamoDB, explaining the reasons for the migration, the migration process, key steps taken, and various pitfalls encountered during the move.

AI-written summary · about

  1. 0:00Introduction
  2. 1:28Conversations product overview
  3. 8:20Cassandra production issues
  4. 14:21Database alternatives decision
  5. 16:11Why DynamoDB chosen
  6. 17:55DynamoDB solves Cassandra issues
  7. 20:42Migration planning with PMs
  8. 22:07Schema and secondary indexes
  9. 23:52Dual head write setup
  10. 24:35DynamoDB pricing and scaling
  11. 27:24Data migration scripts
  12. 29:12Versioned attributes for control
  13. 30:15Post-migration data validation
  14. 30:57Migration tools and flags
  15. 32:00Monitoring with Rollbar and DataDog
  16. 34:26Code refactoring during migration
  17. 35:54Switching off Cassandra
  18. 36:39Migration results and plans
  19. 39:07Q&A
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