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Mention need for swap on Linux, and kill -9.

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This commit is contained in:
Bruce Momjian
2003-06-12 15:58:19 +00:00
parent 8d2d92c5f0
commit 889dd3c00d
1 changed files with 4 additions and 2 deletions
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doc/src/sgml/runtime.sgml
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@ -1,5 +1,5 @@
<!-- <!--
$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.185 2003/06/12 15:31:02 momjian Exp $ $Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.186 2003/06/12 15:58:19 momjian Exp $
--> -->
<Chapter Id="runtime"> <Chapter Id="runtime">
@ -2785,10 +2785,12 @@ kernel.shmmax = 134217728
Linux has poor default memory overcommit behavior. Rather than Linux has poor default memory overcommit behavior. Rather than
failing if it can not reserve enough memory, it returns success, failing if it can not reserve enough memory, it returns success,
but later fails when the memory can't be mapped and terminates but later fails when the memory can't be mapped and terminates
the application. To prevent unpredictable process termination, use: the application with <literal>kill -9</>. To prevent unpredictable
process termination, use:
<programlisting> <programlisting>
sysctl -w vm.overcommit_memory=3 sysctl -w vm.overcommit_memory=3
</programlisting> </programlisting>
Note, you will need enough swap space to cover all your memory needs.
</para> </para>
</listitem> </listitem>
</varlistentry> </varlistentry>