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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6312) Make BlockCache eviction thresholds configurable
Date Tue, 10 Jul 2012 13:12:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13410321#comment-13410321
] 

Hadoop QA commented on HBASE-6312:
----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12535822/hbase-6312_v2.patch
  against trunk revision .

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

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    +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:
                       org.apache.hadoop.hbase.io.hfile.TestLruBlockCache

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/2358//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/2358//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/2358//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/2358//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_v2.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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