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Posted to commits@hbase.apache.org by st...@apache.org on 2012/08/31 06:50:36 UTC
svn commit: r1379286 - in /hbase/trunk/src/docbkx: configuration.xml
performance.xml
Author: stack
Date: Fri Aug 31 04:50:36 2012
New Revision: 1379286
URL: http://svn.apache.org/viewvc?rev=1379286&view=rev
Log:
Move Nagles' up to important configurations section in book
Modified:
hbase/trunk/src/docbkx/configuration.xml
hbase/trunk/src/docbkx/performance.xml
Modified: hbase/trunk/src/docbkx/configuration.xml
URL: http://svn.apache.org/viewvc/hbase/trunk/src/docbkx/configuration.xml?rev=1379286&r1=1379285&r2=1379286&view=diff
==============================================================================
--- hbase/trunk/src/docbkx/configuration.xml (original)
+++ hbase/trunk/src/docbkx/configuration.xml Fri Aug 31 04:50:36 2012
@@ -1671,6 +1671,13 @@ of all regions.
on the size you need by surveying regionserver UIs; you'll see index block size accounted near the
top of the webpage).</para>
</section>
+ <section xml:id="nagles">
+ <title><link xlink:href="http://en.wikipedia.org/wiki/Nagle's_algorithm">Nagle's</link> or the small package problem</title>
+ <para>If a big 40ms or so occasional delay is seen in operations against HBase,
+ try the Nagles' setting. For example, see the user mailing list thread,
+ <link xlink:href="http://search-hadoop.com/m/pduLg2fydtE/Inconsistent+scan+performance+with+caching+set+&subj=Re+Inconsistent+scan+performance+with+caching+set+to+1">Inconsistent scan performance with caching set to 1</link>
+ and the issue cited therein where setting notcpdelay improved scan speeds.</para>
+ </section>
</section>
Modified: hbase/trunk/src/docbkx/performance.xml
URL: http://svn.apache.org/viewvc/hbase/trunk/src/docbkx/performance.xml?rev=1379286&r1=1379285&r2=1379286&view=diff
==============================================================================
--- hbase/trunk/src/docbkx/performance.xml (original)
+++ hbase/trunk/src/docbkx/performance.xml Fri Aug 31 04:50:36 2012
@@ -139,13 +139,7 @@
<title>HBase Configurations</title>
<para>See <xref linkend="recommended_configurations" />.</para>
- <section xml:id="perf.nagels">
- <title><link xlink:href="http://en.wikipedia.org/wiki/Nagle's_algorithm">Nagle's</link> or the small package problem</title>
- <para>If a big 40ms or so occasional delay is seen in operations against HBase,
- try the Nagles' setting. For example, see the user mailing list thread,
- <link xlink:href="http://search-hadoop.com/m/pduLg2fydtE/Inconsistent+scan+performance+with+caching+set+&subj=Re+Inconsistent+scan+performance+with+caching+set+to+1">Inconsistent scan performance with caching set to 1</link>
- and the issue cited therein where setting notcpdelay improved scan speeds.</para>
- </section>
+
<section xml:id="perf.number.of.regions">
<title>Number of Regions</title>