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| author | Bruce Momjian <bruce@momjian.us> | 2013-07-03 14:19:44 -0400 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2013-07-03 14:19:44 -0400 |
| commit | f71939cd1ac765ba618115f40de4d9c47955a9ef (patch) | |
| tree | c6b6e949910de534aeee3b3de3e0b034a9728748 | |
| parent | f33c53ec5b27a90a0f00ac27d4e5178fcc33168f (diff) | |
| download | postgresql-f71939cd1ac765ba618115f40de4d9c47955a9ef.tar.gz postgresql-f71939cd1ac765ba618115f40de4d9c47955a9ef.zip | |
pg_buffercache: document column meanings
Improve documentation for usagecount and relforknumber.
Backpatch to 9.3.
Suggestion from Satoshi Nagayasu
| -rw-r--r-- | doc/src/sgml/pgbuffercache.sgml | 5 |
1 files 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> |