Multi-Node Unused Index Verification (from Percona Database Blog)
pEvery MySQL schema that’s been around for a few years collects indexes nobody remembers adding. Some were for a report that was retired. Some came from an ORM migration. A few were added “just in case” and never used. They all cost something: extra writes on every INSERT and UPDATE, increased buffer pool pressure, larger … Continued/p
pThe post Multi-Node Unused Index Verif
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