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HBASE-6139 Add troubleshooting section for CentOS 6.2 page allocation failure issue (Misty Stanley-Jones)

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Michael Stack 2014-06-04 11:26:48 -07:00
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commit f24e68426c
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src/main/docbkx/troubleshooting.xml
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@ -1307,4 +1307,28 @@ security.provider.1=sun.security.pkcs11.SunPKCS11 ${java.home}/lib/security/nss.
</section>
</section>
<section>
<title>Operating System Specific Issues</title>
<section>
<title>Page Allocation Failure</title>
<note><para>This issue is known to affect CentOS 6.2 and possibly CentOS 6.5. It may also affect
some versions of Red Hat Enterprise Linux, according to <link
xlink:href="https://bugzilla.redhat.com/show_bug.cgi?id=770545" />.</para></note>
<para>Some users have reported seeing the following error:</para>
<screen>kernel: java: page allocation failure. order:4, mode:0x20</screen>
<para>Raising the value of <code>min_free_kbytes</code> was reported to fix this problem. This
parameter is set to a percentage of the amount of RAM on your system, and is described in more
detail at <link
xlink:href="http://www.centos.org/docs/5/html/5.1/Deployment_Guide/s3-proc-sys-vm.html" />. </para>
<para>To find the current value on your system, run the following command:</para>
<screen>[user@host]# <userinput>cat /proc/sys/vm/min_free_kbytes</userinput></screen>
<para>Next, raise the value. Try doubling, then quadrupling the value. Note that setting the
value too low or too high could have detrimental effects on your system. Consult your
operating system vendor for specific recommendations.</para>
<para>Use the following command to modify the value of <code>min_free_kbytes</code>,
substituting <replaceable>&lt;value&gt;</replaceable> with your intended value:</para>
<screen>[user@host]# <userinput>echo &lt;value&gt; > /proc/sys/vm/min_free_kbytes</userinput></screen>
</section>
</section>
</chapter>