From 74414bbd90a307c949489bcc630bdc9559cc5682 Mon Sep 17 00:00:00 2001 From: Bruce Momjian <bruce@momjian.us> Date: Wed, 3 Jul 2013 14:19:43 -0400 Subject: [PATCH] pg_buffercache: document column meanings Improve documentation for usagecount and relforknumber. Backpatch to 9.3. Suggestion from Satoshi Nagayasu --- doc/src/sgml/pgbuffercache.sgml | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/doc/src/sgml/pgbuffercache.sgml b/doc/src/sgml/pgbuffercache.sgml index 1d7d95f9d7d..685351f11eb 100644 --- a/doc/src/sgml/pgbuffercache.sgml +++ b/doc/src/sgml/pgbuffercache.sgml @@ -84,7 +84,8 @@ <entry><structfield>relforknumber</structfield></entry> <entry><type>smallint</type></entry> <entry></entry> - <entry>Fork number within the relation</entry> + <entry>Fork number within the relation; see + <filename>include/storage/relfilenode.h</></entry> </row> <row> @@ -98,7 +99,7 @@ <entry><structfield>usagecount</structfield></entry> <entry><type>smallint</type></entry> <entry></entry> - <entry>Page LRU count</entry> + <entry>Clock-sweep access count</entry> </row> </tbody> -- GitLab