AI4 min read
Databases · AI
MySQL's P99 hit 48 seconds on AI sessions. PolarDB-X cut it to 1.5
MySQL was the odd one out in AI session storage, with no standard path for the MB-scale blobs modern conversations produce. PolarDB-X external columns route them to OSS while keeping InnoDB transactions and plain SQL, and the published benchmarks show write tail latency collapsing from 48.7 seconds to 1.5.
2026-09-16