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Publish checkpoint timing information to pg_stat_bgwriter.

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Greg Smith, Peter Geoghegan, and Robert Haas
This commit is contained in:
Robert Haas
2012-04-05 14:03:21 -04:00
parent a75b08066a
commit b736aef2ec
10 changed files with 81 additions and 26 deletions
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22
doc/src/sgml/monitoring.sgml
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@ -767,6 +767,28 @@ SELECT pg_stat_get_backend_pid(s.backendid) AS pid,
This value can also be returned by directly calling
the <function>pg_stat_get_bgwriter_requested_checkpoints</function> function.</entry>
</row>
<row>
<entry>checkpoint_write_time</entry>
<entry><type>bigint</type></entry>
<entry>
Total amount of time that has been spent in the portion of
checkpoint processing where files are written to disk, in milliseconds.
This value can also be returned by directly calling the
<function>pg_stat_get_checkpoint_write_time</function>
function.
</entry>
</row>
<row>
<entry>checkpoint_sync_time</entry>
<entry><type>bigint</type></entry>
<entry>
Total amount of time that has been spent in the portion of
checkpoint processing where files are synchronized to disk, in
milliseconds. This value can also be returned by directly calling
the <function>pg_stat_get_checkpoint_sync_time</function>
function.
</entry>
</row>
<row>
<entry>buffers_checkpoint</entry>
<entry><type>bigint</type></entry>