/rtmp/diff
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Type: text/x-diff
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Patch
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API reference →
Format: context
| File | + | − |
|---|---|---|
| doc/src/sgml/config.sgml | 5 | 1 |
| src/backend/postmaster/bgwriter.c | 4 | 1 |
Index: doc/src/sgml/config.sgml
===================================================================
RCS file: /cvsroot/pgsql/doc/src/sgml/config.sgml,v
retrieving revision 1.249
diff -c -c -r1.249 config.sgml
*** doc/src/sgml/config.sgml 3 Feb 2010 17:25:05 -0000 1.249
--- doc/src/sgml/config.sgml 5 Feb 2010 23:17:17 -0000
***************
*** 1739,1745 ****
server to switch to a new WAL segment file periodically. When this
parameter is greater than zero, the server will switch to a new
segment file whenever this many seconds have elapsed since the last
! segment file switch. Note that archived files that are closed early
due to a forced switch are still the same length as completely full
files. Therefore, it is unwise to use a very short
<varname>archive_timeout</> — it will bloat your archive
--- 1739,1749 ----
server to switch to a new WAL segment file periodically. When this
parameter is greater than zero, the server will switch to a new
segment file whenever this many seconds have elapsed since the last
! segment file switch, and there has been any database activity,
! including a single checkpoint. (Increasing
! <varname>checkpoint_timeout</> will reduce unnecessary
! checkpoints on an idle system.)
! Note that archived files that are closed early
due to a forced switch are still the same length as completely full
files. Therefore, it is unwise to use a very short
<varname>archive_timeout</> — it will bloat your archive
Index: src/backend/postmaster/bgwriter.c
===================================================================
RCS file: /cvsroot/pgsql/src/backend/postmaster/bgwriter.c,v
retrieving revision 1.66
diff -c -c -r1.66 bgwriter.c
*** src/backend/postmaster/bgwriter.c 15 Jan 2010 09:19:02 -0000 1.66
--- src/backend/postmaster/bgwriter.c 5 Feb 2010 23:17:21 -0000
***************
*** 543,549 ****
/*
* CheckArchiveTimeout -- check for archive_timeout and switch xlog files
! * if needed
*/
static void
CheckArchiveTimeout(void)
--- 543,552 ----
/*
* CheckArchiveTimeout -- check for archive_timeout and switch xlog files
! *
! * This will switch to a new WAL file and force an archive file write
! * if any activity is recorded in the current WAL file, including just
! * a single checkpoint record.
*/
static void
CheckArchiveTimeout(void)