diff options
| author | Noah Misch <noah@leadboat.com> | 2022-08-05 08:30:58 -0700 |
|---|---|---|
| committer | Noah Misch <noah@leadboat.com> | 2022-08-05 08:31:02 -0700 |
| commit | 41f613fc257c4d1df97f5f244461d1acb2b65227 (patch) | |
| tree | 95a99a8f3b3bacea457f07328ad9f86ceedb92b7 /src/backend/storage/file/fd.c | |
| parent | 4ad4c1f419477a3a450ecaa6b3a367c227a7df66 (diff) | |
| download | postgresql-41f613fc257c4d1df97f5f244461d1acb2b65227.tar.gz postgresql-41f613fc257c4d1df97f5f244461d1acb2b65227.zip | |
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
Diffstat (limited to 'src/backend/storage/file/fd.c')
| -rw-r--r-- | src/backend/storage/file/fd.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/backend/storage/file/fd.c b/src/backend/storage/file/fd.c index decf5ff9cbe..5614b8b9161 100644 --- a/src/backend/storage/file/fd.c +++ b/src/backend/storage/file/fd.c @@ -748,7 +748,10 @@ durable_link_or_rename(const char *oldfile, const char *newfile, int elevel) ereport(elevel, (errcode_for_file_access(), errmsg("could not link file \"%s\" to \"%s\": %m", - oldfile, newfile))); + oldfile, newfile), + (AmCheckpointerProcess() ? + errhint("This is known to fail occasionally during archive recovery, where it is harmless.") : + 0))); return -1; } unlink(oldfile); @@ -759,7 +762,10 @@ durable_link_or_rename(const char *oldfile, const char *newfile, int elevel) ereport(elevel, (errcode_for_file_access(), errmsg("could not rename file \"%s\" to \"%s\": %m", - oldfile, newfile))); + oldfile, newfile), + (AmCheckpointerProcess() ? + errhint("This is known to fail occasionally during archive recovery, where it is harmless.") : + 0))); return -1; } #endif |