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Document that Solaris can't use effective_io_concurrency because of an

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ineffective posix_fadvise().
This commit is contained in:
Bruce Momjian 2009-04-02 22:44:10 +00:00
parent 85369f888e
commit d0b599012f
1 changed files with 2 additions and 3 deletions
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doc/src/sgml/config.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.213 2009/03/26 20:55:49 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.214 2009/04/02 22:44:10 momjian Exp $ -->
<chapter Id="runtime-config">
<title>Server Configuration</title>
@ -1253,8 +1253,7 @@ SET ENABLE_SEQSCAN TO OFF;
function, which some operating systems lack. If the function is not
present then setting this parameter to anything but zero will result
in an error. On some operating systems the function is present but
does not actually do anything. On such systems setting a nonzero
value will add CPU overhead without improving performance.
does not actually do anything (e.g. Solaris).
</para>
</listitem>
</varlistentry>