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| author | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2008-12-16 19:30:43 +0000 |
|---|---|---|
| committer | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2008-12-16 19:30:43 +0000 |
| commit | 5434e469868a198824df6198733e4fc57f72ce12 (patch) | |
| tree | df4eef75b110857f4ceaac4ff627039096a63c37 /doc/src/sgml/runtime.sgml | |
| parent | fc3297d828645bcf6447b8cdb2d5b99cff19be9e (diff) | |
| download | postgresql-5434e469868a198824df6198733e4fc57f72ce12.tar.gz | |
Add note to the shared memory sizing table about needing to use page count in
shared_buffers and wal_buffers, not size in bytes. Per discussion.
Diffstat (limited to 'doc/src/sgml/runtime.sgml')
| -rw-r--r-- | doc/src/sgml/runtime.sgml | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/doc/src/sgml/runtime.sgml b/doc/src/sgml/runtime.sgml index f40899e0d6..c48ffa57af 100644 --- a/doc/src/sgml/runtime.sgml +++ b/doc/src/sgml/runtime.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.422 2008/11/20 11:48:26 mha Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.423 2008/12/16 19:30:43 alvherre Exp $ --> <chapter Id="runtime"> <title>Operating System Environment</title> @@ -1124,6 +1124,16 @@ set semsys:seminfo_semmsl=32 </tbody> </tgroup> </table> + + <note> + <para> + The multipliers for <varname>shared_buffers</> and + <varname>wal_buffers</> should be the number of buffers, not the + amount in bytes. To find out the number of shared or wal buffers, divide + the amount in bytes by <xref linkend="guc-block-size"> and + <xref linkend="guc-wal-block-size">, respectively. + </para> + </note> </sect2> |