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https://issues.apache.org/jira/browse/HBASE-11520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14062863#comment-14062863
 ] 

Hadoop QA commented on HBASE-11520:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12655892/11520v2.txt
  against trunk revision .
  ATTACHMENT ID: 12655892

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:green}+1 tests included{color}.  The patch appears to include 3 new 
or modified tests.

    {color:green}+1 javac{color}.  The applied patch does not increase the 
total number of javac compiler warnings.

    {color:green}+1 javac{color}.  The applied patch does not increase the 
total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any 
warning messages.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new 
Findbugs (version 2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase 
the total number of release audit warnings.

    {color:green}+1 lineLengths{color}.  The patch does not introduce lines 
longer than 100

  {color:green}+1 site{color}.  The mvn site goal succeeds with this patch.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.master.TestMasterFailover
                  org.apache.hadoop.hbase.regionserver.TestHRegion
                  org.apache.hadoop.hbase.regionserver.TestHRegionBusyWait
                  org.apache.hadoop.hbase.client.TestReplicaWithCluster

Test results: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10072//testReport/
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10072//artifact/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10072//artifact/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10072//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10072//artifact/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10072//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10072//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10072//artifact/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10072//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10072//artifact/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Console output: 
https://builds.apache.org/job/PreCommit-HBASE-Build/10072//console

This message is automatically generated.

> Simplify offheap cache config by removing the confusing 
> "hbase.bucketcache.percentage.in.combinedcache"
> -------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-11520
>                 URL: https://issues.apache.org/jira/browse/HBASE-11520
>             Project: HBase
>          Issue Type: Sub-task
>          Components: io
>    Affects Versions: 0.99.0
>            Reporter: stack
>            Assignee: stack
>             Fix For: 0.99.0, 2.0.0
>
>         Attachments: 11520.txt, 11520v2.txt
>
>
> Remove "hbase.bucketcache.percentage.in.combinedcache".  It is unnecessary 
> complication of block cache config.  Let L1 config setup be as it is whether 
> a L2 present or not, just set hfile.block.cache.size (not 
> hbase.bucketcache.size * (1.0 - 
> hbase.bucketcache.percentage.in.combinedcache)).  For L2, let 
> hbase.bucketcache.size be the actual size of the bucket cache, not 
> hbase.bucketcache.size * hbase.bucketcache.percentage.in.combinedcache.
> Attached patch removes the config. and updates docs.  Adds tests to confirm 
> configs are as expected whether a CombinedBlockCache deploy or a strict L1+L2 
> deploy.



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