From c8397bd6d909620457b532e252ce2e437c787d4f Mon Sep 17 00:00:00 2001 From: Robert Haas Date: Thu, 19 Jan 2012 21:52:51 -0500 Subject: [PATCH] Clarify that bgwriter no longer handles checkpoints. Text by Peter Geoghegan. --- doc/src/sgml/config.sgml | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 0cc329691dd..58e8ede239f 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -1342,7 +1342,8 @@ SET ENABLE_SEQSCAN TO OFF; In each round, no more than this many buffers will be written by the background writer. Setting this to zero disables - background writing (except for checkpoint activity). + background writing. (Note that checkpoints, which are managed by + a separate, dedicated auxiliary process, are unaffected.) The default value is 100 buffers. This parameter can only be set in the postgresql.conf file or on the server command line.