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Show shared object statistics in pg_stat_database

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This adds a row to the pg_stat_database view with datoid 0 and datname
NULL for those objects that are not in a database. This was added
particularly for checksums, but we were already tracking more satistics
for these objects, just not returning it.

Also add a checksum_last_failure column that holds the timestamptz of
the last checksum failure that occurred in a database (or in a
non-dataabase file), if any.

Author: Julien Rouhaud <rjuju123@gmail.com>
This commit is contained in:
Magnus Hagander
2019-04-12 14:04:50 +02:00
parent ef6f30fe77
commit 77bd49adba
10 changed files with 76 additions and 17 deletions
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4
src/backend/replication/basebackup.c
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@ -1584,9 +1584,9 @@ sendFile(const char *readfilename, const char *tarfilename, struct stat *statbuf
(errmsg("file \"%s\" has a total of %d checksum verification "
"failures", readfilename, checksum_failures)));
if (dboid != InvalidOid)
pgstat_report_checksum_failures_in_db(dboid, checksum_failures);
pgstat_report_checksum_failures_in_db(dboid, checksum_failures);
}
total_checksum_failures += checksum_failures;
return true;