diff options
| author | Magnus Hagander | 2012-08-10 12:49:03 +0000 |
|---|---|---|
| committer | Magnus Hagander | 2012-08-10 12:54:36 +0000 |
| commit | 6f0c9bc4b95c295501caa5ca56158afef7f50f30 (patch) | |
| tree | dadd1b45e46b2b76e649aca714685d694e79c54a /doc/src | |
| parent | c0751d323e96fcaaecba289b71970388972ee608 (diff) | |
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 | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index d8bc344b15d..b8eaac39eaf 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -1908,11 +1908,16 @@ SET ENABLE_SEQSCAN TO OFF; </indexterm> <listitem> <para> - Specifies the maximum number of concurrent connections from standby - servers (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 (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> |