database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-16 06:01:02 +03:00
Code Activity

Improve the checkpoint signaling mechanism so that the bgwriter can tell

Browse Source 
the difference between checkpoints forced due to WAL segment consumption
and checkpoints forced for other reasons (such as CREATE DATABASE).  Avoid
generating 'checkpoints are occurring too frequently' messages when the
checkpoint wasn't caused by WAL segment consumption.  Per gripe from
Chris K-L.
This commit is contained in:
Tom Lane
2005-06-30 00:00:52 +00:00
parent b5f7cff84f
commit 401de9c8be
6 changed files with 45 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/backend/access/transam/clog.c
View File

@ -24,7 +24,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/backend/access/transam/clog.c,v 1.30 2005/06/06 20:22:57 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/transam/clog.c,v 1.31 2005/06/30 00:00:50 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -336,7 +336,7 @@ TruncateCLOG(TransactionId oldestXact)
return; /* nothing to remove */
/* Perform a CHECKPOINT */
RequestCheckpoint(true);
RequestCheckpoint(true, false);
/* Now we can remove the old CLOG segment(s) */
SimpleLruTruncate(ClogCtl, cutoffPage);