Codename VIFL - How to Migrate MySQL Database Clusters to Vitess
Talkat KubeCon + CloudNativeCon North America 2020 Virtual · on Wednesday, 2020-11-18· at 16:55· Intrado Virtual Event Platform,·
summary
Migrates over a thousand MySQL shards to Vitess using vreplication and vtgate, upgrading MySQL56 → MySQL57 and converting primary‑primary topology to primary‑replica; automation is a Python tool built on internal zlac ops as a finite-state machine with idempotent steps and guardrails. Validation uses dark reads/dark writes plus a snapshot workflow (stop replication, lock/select, record binlog pos, resume) to prove correctness. Moves hundreds of terabytes with zero downtime and 99% traffic on Vitess after ~1 year by a four‑engineer team.
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