diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/config.sgml | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 4317841d123..acc1ec99c37 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.40 2005/12/23 00:38:03 momjian Exp $ +$PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.41 2005/12/27 23:54:01 adunstan Exp $ --> <chapter Id="runtime-config"> <title>Server Configuration</title> @@ -672,7 +672,7 @@ SET ENABLE_SEQSCAN TO OFF; <listitem> <para> Sets the number of shared memory buffers used by the database - server. The default is typically 1000, but may be less if your + server. The default is typically 4000, but may be less if your kernel settings will not support it (as determined during <application>initdb</>). Each buffer is 8192 bytes, unless a different value of <symbol>BLCKSZ</symbol> was chosen when building @@ -867,8 +867,10 @@ SET ENABLE_SEQSCAN TO OFF; Sets the maximum number of disk pages for which free space will be tracked in the shared free-space map. Six bytes of shared memory are consumed for each page slot. This setting must be more than - 16 * <varname>max_fsm_relations</varname>. The default is 20000. - This option can only be set at server start. + 16 * <varname>max_fsm_relations</varname>. The default is 20000, + but <application>initdb</> will try to set it as close as possible + to 200000, depending on the amount of available memory. + This option can only be set at server start. </para> </listitem> </varlistentry> |