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Emit log when restore_command succeeds but archived file faills to be restored.

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Previously, when restore_command claimed to succeed but failed to restore
the file with the right name, for example, due to mis-configuration of
restore_command, no log message was reported. Then the recovery failed
later with an error message not directly related to the issue.

This commit changes the recovery so that a log message is emitted in
this error case. This would enable us to investigate what happened in
this case more easily.

Author: Jeff Janes, Fujii Masao
Reviewed-by: Pavel Borisov, Kyotaro Horiguchi
Discussion: https://postgr.es/m/CAMkU=1xkFs3Omp4JR4wMYWdam_KLuj6LXnTYfU8u3T0h=PLLMQ@mail.gmail.com
This commit is contained in:
Fujii Masao 2020-11-20 15:42:47 +09:00
parent 49407dc32a
commit a4ef0329c2
1 changed files with 6 additions and 5 deletions
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11
src/backend/access/transam/xlogarchive.c
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@ -220,11 +220,12 @@ RestoreArchivedFile(char *path, const char *xlogfname,
else
{
/* stat failed */
if (errno != ENOENT)
ereport(FATAL,
(errcode_for_file_access(),
errmsg("could not stat file \"%s\": %m",
xlogpath)));
int elevel = (errno == ENOENT) ? LOG : FATAL;
ereport(elevel,
(errcode_for_file_access(),
errmsg("could not stat file \"%s\": %m", xlogpath),
errdetail("restore_command returned a zero exit status, but stat() failed.")));
}
}