diff options
Diffstat (limited to 'doc/src/sgml/config.sgml')
| -rw-r--r-- | doc/src/sgml/config.sgml | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 87d182c4c45..f178835d2b0 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -1569,13 +1569,13 @@ SET ENABLE_SEQSCAN TO OFF; </itemizedlist> <para> 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 not necessarily best; it may be - necessary to change this setting, or other aspects of your system - configuration, in order to create a crash-safe configuration, as - discussed in <xref linkend="wal-reliability">, or to achieve best - performance. The <literal>open_</>* options also use <literal>O_DIRECT</> if available. + 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 + necessary to change this setting or other aspects of your system + configuration in order to create a crash-safe configuration or + achieve optimal performance. + These aspects are discussed in <xref linkend="wal-reliability">. The utility <filename>src/tools/fsync</> in the PostgreSQL source tree can do performance testing of various fsync methods. This parameter can only be set in the <filename>postgresql.conf</> |