From 07e022cb49c16abf0de24ba25e1b5c20dec2c1ae Mon Sep 17 00:00:00 2001 From: Bharath Rupireddy Date: Thu, 23 Dec 2021 15:23:20 +0000 Subject: [PATCH v1] Be clear about what log_checkpoints emits in the documentation Currently the documentation of the log_checkpoints GUC is vague and the patch here makes it clear say what statistics it emits in the server logs. --- doc/src/sgml/config.sgml | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index afbb6c35e3..d985caac1d 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -6789,9 +6789,11 @@ local0.* /var/log/postgresql Causes checkpoints and restartpoints to be logged in the server log. - Some statistics are included in the log messages, including the number - of buffers written and the time spent writing them. - This parameter can only be set in the postgresql.conf + The log messages include checkpoint or restartpoint kind, statistics + such as the number of buffers written, relations synced and the time + spent writing/syncing those files, the WAL files added, removed and + recycled and the estimated distance between checkpoints or restartpoints + in bytes. This parameter can only be set in the postgresql.conf file or on the server command line. The default is on. -- 2.25.1