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authorRobert Haas <rhaas@postgresql.org>2012-04-18 10:09:41 -0400
committerRobert Haas <rhaas@postgresql.org>2012-04-18 10:11:03 -0400
commit37e666b8b5999fddd556138edd17a5f26384460f (patch)
treef783267ec1ba55a3025f3ddcf72ddca0eb32b144
parent1fd832ddffe83a07f82939bd9e5787a61aeba1ef (diff)
downloadpostgresql-37e666b8b5999fddd556138edd17a5f26384460f.tar.gz
postgresql-37e666b8b5999fddd556138edd17a5f26384460f.zip
Doc clarification for synchronous_commit.
Fujii Masao
-rw-r--r--doc/src/sgml/config.sgml3
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index cffca4e46c9..4728ca5cf46 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -1662,6 +1662,9 @@ SET ENABLE_SEQSCAN TO OFF;
to allow the transaction to commit asynchronously. However, the
special value <literal>local</> is available for transactions that
wish to wait for local flush to disk, but not synchronous replication.
+ If <varname>synchronous_standby_names</> is not set, <literal>on</>,
+ <literal>remote_write</> and <literal>local</> provide the same
+ synchronization level; transaction commit only waits for local flush.
</para>
<para>
This parameter can be changed at any time; the behavior for any