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+$PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.30 2006/02/14 02:03:44 momjian Exp $
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<chapter id="monitoring">
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</>.)