diff options
| -rw-r--r-- | doc/src/sgml/perform.sgml | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/doc/src/sgml/perform.sgml b/doc/src/sgml/perform.sgml index 1bec5b1f7e5..20cb7904682 100644 --- a/doc/src/sgml/perform.sgml +++ b/doc/src/sgml/perform.sgml @@ -1118,9 +1118,10 @@ SELECT * FROM x, y, a, b, c WHERE something AND somethingelse; so if your site does not require such a guarantee, <productname>PostgreSQL</productname> can be configured to run much faster. The following are configuration changes you can make - to improve performance in such cases; they do not invalidate - commit guarantees related to database crashes, only abrupt operating - system stoppage, except as mentioned below: + to improve performance in such cases. Except as noted below, durability + is still guaranteed in case of a crash of the database software; + only abrupt operating system stoppage creates a risk of data loss + or corruption when these settings are used. <itemizedlist> <listitem> @@ -1159,8 +1160,8 @@ SELECT * FROM x, y, a, b, c WHERE something AND somethingelse; <para> Turn off <xref linkend="guc-synchronous-commit">; there might be no need to write the <acronym>WAL</acronym> to disk on every - commit. This does enable possible tranaction loss in case of - a <emphasis>database</> crash. + commit. This setting does risk transaction loss (though not data + corruption) in case of a crash of the <emphasis>database</> alone. </para> </listitem> </itemizedlist> |