On Fri, Aug 7, 2015 at 09:02:09PM +0200, Andres Freund wrote:
> With regard to the point about the number of buffer mappings: This has
> forced peoples sites down. People have found this out themselves and
> patched postgres. That's an entirely different league.
I was not aware of the magnitude of this issue. 9.5 release note item
attached and applied.
--
Bruce Momjian <[email protected]> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ Everyone has their own god. +
diff --git a/doc/src/sgml/release-9.5.sgml b/doc/src/sgml/release-9.5.sgml
new file mode 100644
index 0786a20..bbaa886
*** a/doc/src/sgml/release-9.5.sgml
--- b/doc/src/sgml/release-9.5.sgml
*************** FIXME: Add Andres
*** 463,468 ****
--- 463,482 ----
</para>
</listitem>
+ <listitem>
+ <para>
+ <!--
+ 2014-10-02 [3acc10c9] Robert..: Increase the number of buffer mapping partitio..
+ -->
+ Increase the number of buffer mapping partitions (Amit Kapila,
+ Andres Freund, Robert Haas)
+ </para>
+
+ <para>
+ This improves performance for highly concurrent workloads.
+ </para>
+ </listitem>
+
</itemizedlist>
</sect4>
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