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体验新版 GitCode,发现更多精彩内容 >>
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e36716a6
编写于
8月 25, 2008
作者:
T
Tom Lane
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差异文件
Add standard boilerplate sentence about when stats_temp_directory can be changed.
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doc/src/sgml/config.sgml
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doc/src/sgml/config.sgml
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e36716a6
<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.1
89 2008/08/25 18:55:43 mha
Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.1
90 2008/08/25 19:03:37 tgl
Exp $ -->
<chapter Id="runtime-config">
<title>Server Configuration</title>
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@@ -3414,13 +3414,16 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv;
</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. If this parameter is changed when the system is running,
there is a small window of time until the new file has been written
during which the statistics functions might return no information.
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
improved performance.
This parameter can only be set in the <filename>postgresql.conf</>
file or on the server command line.
If this parameter is changed while the server is running, there is a
small window of time until the new statistics file has been written
during which the statistics functions might return no information.
</para>
</listitem>
</varlistentry>
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