-<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.284 2010/06/28 21:57:17 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.285 2010/06/28 22:46:11 momjian Exp $ -->
<chapter Id="runtime-config">
<title>Server Configuration</title>
delay is three times <xref linkend="guc-wal-writer-delay">.) Unlike
<xref linkend="guc-fsync">, setting this parameter to <literal>off</>
does not create any risk of database inconsistency: an operating
- system or database crash crash might
+ system or database crash might
result in some recent allegedly-committed transactions being lost, but
the database state will be just the same as if those transactions had
been aborted cleanly. So, turning <varname>synchronous_commit</> off
-<!-- $PostgreSQL: pgsql/doc/src/sgml/perform.sgml,v 1.81 2010/06/28 21:57:17 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/perform.sgml,v 1.82 2010/06/28 22:46:11 momjian Exp $ -->
<chapter id="performance-tips">
<title>Performance Tips</title>
<para>
Durability is a database feature that guarantees the recording of
- committed transactions even if if the server crashes or loses
+ committed transactions even if the server crashes or loses
power. However, durability adds significant database overhead,
so if your site does not require such a guarantee,
<productname>PostgreSQL</productname> can be configured to run