database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2026-01-05 23:38:41 +03:00
Code Activity

Avoid archiving XLOG_RUNNING_XACTS on idle server

Browse Source 
If archive_timeout > 0 we should avoid logging XLOG_RUNNING_XACTS if idle.

Bug 13685 reported by Laurence Rowe, investigated in detail by Michael Paquier,
though this is not his proposed fix.
20151016203031.3019.72930@wrigleys.postgresql.org

Simple non-invasive patch to allow later backpatch to 9.4 and 9.5
This commit is contained in:
Simon Riggs
2016-04-04 07:18:05 +01:00
parent a75a418d07
commit bf08f2292f
2 changed files with 25 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/backend/postmaster/bgwriter.c
View File

@@ -330,8 +330,11 @@ BackgroundWriterMain(void)
if (now >= timeout &&
last_snapshot_lsn != GetXLogInsertRecPtr())
{
last_snapshot_lsn = LogStandbySnapshot();
XLogRecPtr log_standby_lsn = LogStandbySnapshot();
last_snapshot_ts = now;
if (!XLogRecPtrIsInvalid(log_standby_lsn))
last_snapshot_lsn = log_standby_lsn;
}
}