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Add vacuum and analyze counters to pg_stat_*_tables views.

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Magnus Hagander
2010-08-21 10:59:17 +00:00
parent efe2e9a758
commit 946045f04d
7 changed files with 147 additions and 15 deletions
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doc/src/sgml/monitoring.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.84 2010/08/17 04:37:20 petere Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.85 2010/08/21 10:59:17 mha Exp $ -->
<chapter id="monitoring">
<title>Monitoring Database Activity</title>
@ -117,9 +117,9 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
is a subsystem that supports collection and reporting of information about
server activity. Presently, the collector can count accesses to tables
and indexes in both disk-block and individual-row terms. It also tracks
the total number of rows in each table, and the last vacuum and analyze times
for each table. It can also count calls to user-defined functions and
the total time spent in each one.
the total number of rows in each table, and information about vacuum and
analyze actions for each table. It can also count calls to user-defined
functions and the total time spent in each one.
</para>
<para>
@ -293,7 +293,11 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
the last time the table was vacuumed manually,
the last time it was vacuumed by the autovacuum daemon,
the last time it was analyzed manually,
and the last time it was analyzed by the autovacuum daemon.
the last time it was analyzed by the autovacuum daemon,
number of times it has been vacuumed manually,
number of times it has been vacuumed by the autovacuum daemon,
number of times it has been analyzed manually,
and the number of times it has been analyzed by the autovacuum daemon.
</entry>
</row>
@ -314,8 +318,8 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
<entry>Similar to <structname>pg_stat_all_tables</>, but counts actions
taken so far within the current transaction (which are <emphasis>not</>
yet included in <structname>pg_stat_all_tables</> and related views).
The columns for numbers of live and dead rows and last-vacuum and
last-analyze times are not present in this view.</entry>
The columns for numbers of live and dead rows and vacuum and
analyze actions are not present in this view.</entry>
</row>
<row>
@ -718,6 +722,38 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
</entry>
</row>
<row>
<entry><literal><function>pg_stat_get_vacuum_count</function>(<type>oid</type>)</literal></entry>
<entry><type>bigint</type></entry>
<entry>
The number of times this table has been vacuumed manually
</entry>
</row>
<row>
<entry><literal><function>pg_stat_get_autovacuum_count</function>(<type>oid</type>)</literal></entry>
<entry><type>bigint</type></entry>
<entry>
The number of times this table has been vacuumed by the autovacuum daemon
</entry>
</row>
<row>
<entry><literal><function>pg_stat_get_analyze_count</function>(<type>oid</type>)</literal></entry>
<entry><type>bigint</type></entry>
<entry>
The number of times this table has been analyzed manually
</entry>
</row>
<row>
<entry><literal><function>pg_stat_get_autoanalyze_count</function>(<type>oid</type>)</literal></entry>
<entry><type>bigint</type></entry>
<entry>
The number of times this table has been analyzed by the autovacuum daemon
</entry>
</row>
<row>
<entry><literal><function>pg_stat_get_xact_numscans</function>(<type>oid</type>)</literal></entry>
<entry><type>bigint</type></entry>