[12.x] Optimize cache and cache_locks timeout #57966
Merged
+2
−2
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In very high throughput applications that rely on the database driver for cache locks, the expiration cleanup starts to result in high lock wait times because there is no index on the
expirationcolumn.This pull request adds an index to the table create migration stub for the
cacheandcache_lockstables.Before adding index (these stats are over a 15 min period):

After adding index (at 10:13):
