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Document that xact commit/abort stats are collected if any stat variable 

is set.
This commit is contained in:
Bruce Momjian 2006-02-14 02:03:44 +00:00
parent 2fc80b9ae6
commit e93b33754c
1 changed files with 10 additions and 5 deletions
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15
doc/src/sgml/monitoring.sgml
View File

@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.29 2005/10/06 02:29:06 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.30 2006/02/14 02:03:44 momjian Exp $
-->
<chapter id="monitoring">
@ -145,10 +145,15 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
overhead occurs. These respectively determine whether a server
process sends its current command string, disk-block-level access
statistics, and row-level access statistics to the collector.
Normally these parameters are set in <filename>postgresql.conf</>
so that they apply to all server processes, but it is possible to
turn them on or off in individual sessions using the <xref
linkend="sql-set" endterm="sql-set-title"> command. (To prevent
Additionally, per-database transaction commit and abort statistics
are collected if any of these parameters are set.
</para>
<para>
Normally these parameters are set in <filename>postgresql.conf</> so
that they apply to all server processes, but it is possible to turn
them on or off in individual sessions using the <xref
linkend="sql-set" endterm="sql-set-title"> command. (To prevent
ordinary users from hiding their activity from the administrator,
only superusers are allowed to change these parameters with
<command>SET</>.)