From c8397bd6d909620457b532e252ce2e437c787d4f Mon Sep 17 00:00:00 2001
From: Robert Haas <rhaas@postgresql.org>
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;
         <para>
          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 <filename>postgresql.conf</>
          file or on the server command line.
-- 
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