diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/config.sgml | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 3aa74870f88..f3287219627 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -1442,12 +1442,12 @@ SET ENABLE_SEQSCAN TO OFF; </listitem> <listitem> <para> - <literal>fsync_writethrough</> (call <function>fsync()</> at each commit, forcing write-through of any disk write cache) + <literal>fsync</> (call <function>fsync()</> at each commit) </para> </listitem> <listitem> <para> - <literal>fsync</> (call <function>fsync()</> at each commit) + <literal>fsync_writethrough</> (call <function>fsync()</> at each commit, forcing write-through of any disk write cache) </para> </listitem> <listitem> @@ -1457,12 +1457,11 @@ SET ENABLE_SEQSCAN TO OFF; </listitem> </itemizedlist> <para> - Not all of these choices are available on all platforms. The <literal>open_</>* options also use <literal>O_DIRECT</> if available. + Not all of these choices are available on all platforms. The default is the first method in the above list that is supported - by the platform. - The default is the first method in the above list that is supported - by the platform. The default is not necessarily ideal; it might be + by the platform, except that <literal>fdatasync</> is the default on + Linux. The default is not necessarily ideal; it might be necessary to change this setting or other aspects of your system configuration in order to create a crash-safe configuration or achieve optimal performance. |