diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/config.sgml | 18 | ||||
| -rw-r--r-- | doc/src/sgml/monitoring.sgml | 6 |
2 files changed, 20 insertions, 4 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 6e65251746c..16a309547b1 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.184 2008/07/18 17:33:17 momjian Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.185 2008/08/15 08:37:41 mha Exp $ --> <chapter Id="runtime-config"> <title>Server Configuration</title> @@ -3394,6 +3394,22 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv; </listitem> </varlistentry> + <varlistentry id="guc-stats-temp-directory" xreflabel="stats_temp_directory"> + <term><varname>stats_temp_directory</varname> (<type>string</type>)</term> + <indexterm> + <primary><varname>stats_temp_directory</> configuration parameter</primary> + </indexterm> + <listitem> + <para> + Sets the directory to store temporary statistics data in. This can be a + path relative to the data directory or an absolute path. The default is + <filename>pg_stat_tmp</filename>. Pointing this at a RAM based filesystem + will decrease physical I/O requirements and can lead to increased + performance. This parameter can only be set at server start. + </para> + </listitem> + </varlistentry> + </variablelist> </sect2> diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml index 29a3e107030..ab30d87202a 100644 --- a/doc/src/sgml/monitoring.sgml +++ b/doc/src/sgml/monitoring.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.61 2008/08/05 12:09:30 mha Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.62 2008/08/15 08:37:41 mha Exp $ --> <chapter id="monitoring"> <title>Monitoring Database Activity</title> @@ -171,8 +171,8 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re These files are stored in the <filename>pg_stat_tmp</filename> subdirectory. When the postmaster shuts down, a permanent copy of the statistics data is stored in the <filename>global</filename> subdirectory. For increased - performance, it is possible to mount or symlink a RAM based - filesystem to the <filename>pg_stat_tmp</filename> directory. + performance, the parameter <xref linkend="guc-stats-temp-directory"> can + be pointed at a RAM based filesystem, decreasing physical I/O requirements. </para> </sect2> |