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https://issues.apache.org/jira/browse/HBASE-6312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13415910#comment-13415910
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Hadoop QA commented on HBASE-6312:
----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12536764/hbase-6312_v3.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 hadoop2.0.  The patch compiles against the hadoop 2.0 profile.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    -1 javac.  The applied patch generated 5 javac compiler warnings (more than 
the trunk's current 4 warnings).

    -1 findbugs.  The patch appears to introduce 8 new Findbugs (version 1.3.9) 
warnings.

    +1 release audit.  The applied patch does not increase the total number of 
release audit warnings.

     -1 core tests.  The patch failed these unit tests:
     

Test results: 
https://builds.apache.org/job/PreCommit-HBASE-Build/2393//testReport/
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/2393//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/2393//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Console output: 
https://builds.apache.org/job/PreCommit-HBASE-Build/2393//console

This message is automatically generated.
                
> Make BlockCache eviction thresholds configurable
> ------------------------------------------------
>
>                 Key: HBASE-6312
>                 URL: https://issues.apache.org/jira/browse/HBASE-6312
>             Project: HBase
>          Issue Type: Improvement
>          Components: io
>    Affects Versions: 0.94.0
>            Reporter: Jie Huang
>            Assignee: Jie Huang
>            Priority: Minor
>             Fix For: 0.96.0
>
>         Attachments: hbase-6312.patch, hbase-6312_v2.patch, 
> hbase-6312_v3.patch
>
>
> Some of our customers found that tuning the BlockCache eviction thresholds 
> made test results different in their test environment. However, those 
> thresholds are not configurable in the current implementation. The only way 
> to change those values is to re-compile the HBase source code. We wonder if 
> it is possible to make them configurable.

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