The Query Store liveness touch updates rows in place: drop the last_seen indexes, fillfactor 90 (#4250) - #4472

Merged

erikdarlingdata merged 7 commits into

devfrom

fix/4250-hot-liveness-touch

Sep 27, 2026

Commits on Sep 27, 2026

The Query Store liveness touch becomes a HOT update: drop the last_seen indexes, fillfactor 90 (#4250)
erikdarlingdata
committed
abf1386
Say how the prune runs without the last_seen index, with its measured cost
erikdarlingdata
committed
2074683
Replace the map/text prune's 3-scan shape with a one-scan row-capped delete (#4250 item 3)
erikdarlingdata
committed
4e05aed
Merge remote-tracking branch 'origin/dev' into fix/4250-hot-liveness-touch
erikdarlingdata
committed
edfdb51
Pin the Query Store prune's drain through the real purge path
erikdarlingdata
committed
11750a8
Word the V149 lock note plainly
erikdarlingdata
committed
f5926a7
Note the V149 prune's replacement in the same doc comment
erikdarlingdata
committed
2563759