Cassandra Data Migration with Dual Write Proxy
summary
A dual-write proxy (Apache-licensed) that exposes one Cassandra API endpoint and forwards writes to two Cassandra backends while preserving write timestamps and TTLs; bulk sync is handled with tools like sstableloader. The system monitors reads and emits discrepancy reports of mismatched rows/counts, and the talk includes migration case studies (size, downtime, consistency problems and fixes), deployment notes, failure modes, and metrics used to decide cutover.
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chapters (5)
- 0:00Introduction
- 4:05Dual write proxy concept
- 16:08Proxy setup and migration
- 27:56Proxy features and demos
- 30:01Live demo and Q&A
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