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HBASE-6798 HDFS always read checksum form meta file; DOCUMENTATION 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1387734 13f79535-47bb-0310-9956-ffa450edef68
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Michael Stack 2012-09-19 20:13:09 +00:00
parent 17a2e1663a
commit 0afe5174f5
1 changed files with 7 additions and 0 deletions
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7
src/docbkx/performance.xml
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@ -192,6 +192,13 @@
If there is enough RAM, increasing this can help. If there is enough RAM, increasing this can help.
</para> </para>
</section> </section>
<section xml:id="hbase.regionserver.checksum.verify">
<title><varname>hbase.regionserver.checksum.verify</varname></title>
<para>Have HBase write the checksum into the datablock and save
having to do the checksum seek whenever you read. See the
release note on <link xlink:href="https://issues.apache.org/jira/browse/HBASE-5074">HBASE-5074 support checksums in HBase block cache</link>.
</para>
</section>
</section> </section>
<section xml:id="perf.hdfs.configs"> <section xml:id="perf.hdfs.configs">