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HBASE-4714 Don't ship w/ icms enabled by default; REDO 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1196120 13f79535-47bb-0310-9956-ffa450edef68
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Michael Stack 2011-11-01 16:46:33 +00:00
parent df053660bf
commit f637b4d4e8
3 changed files with 6 additions and 2 deletions
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1
CHANGES.txt
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@ -731,6 +731,7 @@ Release 0.92.0 - Unreleased
HBASE-4699 Cleanup the UIs HBASE-4699 Cleanup the UIs
HBASE-4552 Remove trivial 0.90 deprecated code from 0.92 and trunk. HBASE-4552 Remove trivial 0.90 deprecated code from 0.92 and trunk.
(Jonathan Hsieh) (Jonathan Hsieh)
HBASE-4714 Don't ship w/ icms enabled by default
NEW FEATURES NEW FEATURES
HBASE-2001 Coprocessors: Colocate user code with regions (Mingjie Lai via HBASE-2001 Coprocessors: Colocate user code with regions (Mingjie Lai via

2
conf/hbase-env.sh
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@ -34,7 +34,7 @@
# Below are what we set by default. May only work with SUN JVM. # Below are what we set by default. May only work with SUN JVM.
# For more on why as well as other possible settings, # For more on why as well as other possible settings,
# see http://wiki.apache.org/hadoop/PerformanceTuning # see http://wiki.apache.org/hadoop/PerformanceTuning
export HBASE_OPTS="-ea -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode" export HBASE_OPTS="-ea -XX:+UseConcMarkSweepGC"
# Uncomment below to enable java garbage collection logging in the .out file. # Uncomment below to enable java garbage collection logging in the .out file.
# export HBASE_OPTS="$HBASE_OPTS -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps" # export HBASE_OPTS="$HBASE_OPTS -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps"

5
src/docbkx/performance.xml
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@ -119,7 +119,10 @@
must be explicitly enabled in HBase 0.90.x (Its defaulted to be on in must be explicitly enabled in HBase 0.90.x (Its defaulted to be on in
0.92.x HBase). See <code>hbase.hregion.memstore.mslab.enabled</code> 0.92.x HBase). See <code>hbase.hregion.memstore.mslab.enabled</code>
to true in your <classname>Configuration</classname>. See the cited to true in your <classname>Configuration</classname>. See the cited
slides for background and detail.</para> slides for background and detail<footnote><para>The latest jvms do better
regards fragmentation so make sure you are running a recent release.
Read down in the message,
<link xlink:href="http://osdir.com/ml/hotspot-gc-use/2011-11/msg00002.html">Identifying concurrent mode failures caused by fragmentation</link>.</para></footnote>.</para>
<para>For more information about GC logs, see <xref linkend="trouble.log.gc" />. <para>For more information about GC logs, see <xref linkend="trouble.log.gc" />.
</para> </para>
</section> </section>