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-rw-r--r--doc/src/sgml/config.sgml3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index f323bba018f..61038472c5a 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -4179,7 +4179,7 @@ restore_command = 'copy "C:\\server\\archivedir\\%f" "%p"' # Windows
</varlistentry>
<varlistentry id="guc-wal-summary-keep-time" xreflabel="wal_summary_keep_time">
- <term><varname>wal_summary_keep_time</varname> (<type>boolean</type>)
+ <term><varname>wal_summary_keep_time</varname> (<type>integer</type>)
<indexterm>
<primary><varname>wal_summary_keep_time</varname> configuration parameter</primary>
</indexterm>
@@ -4198,6 +4198,7 @@ restore_command = 'copy "C:\\server\\archivedir\\%f" "%p"' # Windows
know will not be required for future incremental backups.
This parameter can only be set in the
<filename>postgresql.conf</filename> file or on the server command line.
+ If this value is specified without units, it is taken as minutes.
The default is 10 days. If <literal>summarize_wal = off</literal>,
existing WAL summaries will not be removed regardless of the value of
this parameter, because the WAL summarizer will not run.