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Use an LWLock instead of a spinlock in waitlsn.c

author Alexander Korotkov <akorotkov@postgresql.org>

Sat, 6 Apr 2024 21:31:43 +0000 (00:31 +0300)

committer Alexander Korotkov <akorotkov@postgresql.org>

Sat, 6 Apr 2024 21:49:53 +0000 (00:49 +0300)

commit 25f42429e2ff2acca35c9154fc2e36b75c79227a

tree a007e1ef361c34cef94c12d8e49bb2e3a2966928 tree

parent 1577081e9614345534a018e788a2c0bab4da4dc5 commit | diff

Use an LWLock instead of a spinlock in waitlsn.c

This should prevent busy-waiting when number of waiting processes is high.

Discussion: https://postgr.es/m/202404030658.hhj3vfxeyhft%40alvherre.pgsql
Author: Alvaro Herrera

src/backend/commands/waitlsn.c diff | blob | blame | history

src/backend/utils/activity/wait_event_names.txt diff | blob | blame | history

src/include/commands/waitlsn.h diff | blob | blame | history

src/include/storage/lwlocklist.h diff | blob | blame | history

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