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| author | Magnus Hagander <magnus@hagander.net> | 2012-08-10 14:49:03 +0200 |
|---|---|---|
| committer | Magnus Hagander <magnus@hagander.net> | 2012-08-10 14:50:45 +0200 |
| commit | b3055ab4fb5839a872bfe354b2b5ac31e6903ed6 (patch) | |
| tree | 758698f918760dd2f6b1f1c3081bed35c246d67d /doc/src | |
| parent | da4efa13d801ccc179f1d2c24d8a60c4a2f8ede9 (diff) | |
| download | postgresql-b3055ab4fb5839a872bfe354b2b5ac31e6903ed6.tar.gz postgresql-b3055ab4fb5839a872bfe354b2b5ac31e6903ed6.zip | |
Fix upper limit of superuser_reserved_connections, add limit for wal_senders
Should be limited to the maximum number of connections excluding
autovacuum workers, not including.
Add similar check for max_wal_senders, which should never be higher than
max_connections.
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/config.sgml | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 43556a13662..e30c5a0cf4e 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -2087,12 +2087,16 @@ SET ENABLE_SEQSCAN TO OFF; </indexterm> <listitem> <para> - Specifies the maximum number of concurrent connections from standby - servers or streaming base backup clients (i.e., the maximum number of - simultaneously running WAL sender - processes). The default is zero. This parameter can only be set at - server start. <varname>wal_level</> must be set to <literal>archive</> - or <literal>hot_standby</> to allow connections from standby servers. + Specifies the maximum number of concurrent connections from + standby servers or streaming base backup clients (i.e., the + maximum number of simultaneously running WAL sender + processes). The default is zero, meaning replication is + disabled. WAL sender processes count towards the total number + of connections, so the parameter cannot be set higher than + <xref linkend="guc-max-connections">. This parameter can only + be set at server start. <varname>wal_level</> must be set + to <literal>archive</> or <literal>hot_standby</> to allow + connections from standby servers. </para> </listitem> </varlistentry> |