Add HINT for restartpoint race with KeepFileRestoredFromArchive().
authorNoah Misch <noah@leadboat.com>
Fri, 5 Aug 2022 15:30:58 +0000 (08:30 -0700)
committerNoah Misch <noah@leadboat.com>
Fri, 5 Aug 2022 15:31:01 +0000 (08:31 -0700)
commitad8ebcfe9662c6145342f6f02ad7c46108f135b9
tree5d8911e632e90065be8b4d7b519759e82ce64fe7
parentd2a74621ed0430094e6d1f754df5bc1647408be7
Add HINT for restartpoint race with KeepFileRestoredFromArchive().

The five commits ending at cc2c7d65fc27e877c9f407587b0b92d46cd6dd16
closed this race condition for v15+.  For v14 through v10, add a HINT to
discourage studying the cosmetic problem.

Reviewed by Kyotaro Horiguchi and David Steele.

Discussion: https://postgr.es/m/20220731061747.GA3692882@rfd.leadboat.com
src/backend/access/transam/xlog.c
src/backend/storage/file/fd.c