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https://issues.apache.org/jira/browse/HBASE-9785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13797565#comment-13797565
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Hadoop QA commented on HBASE-9785:
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{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12608829/HBase-9785.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:red}-1 tests included{color}. 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.
{color:green}+1 hadoop1.0{color}. The patch compiles against the hadoop
1.0 profile.
{color:green}+1 hadoop2.0{color}. The patch compiles against the hadoop
2.0 profile.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) 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:red}-1 site{color}. The patch appears to cause mvn site goal to
fail.
{color:green}+1 core tests{color}. The patch passed unit tests in .
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/7575//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/7575//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/7575//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/7575//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/7575//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/7575//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/7575//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/7575//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/7575//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/7575//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/7575//console
This message is automatically generated.
> Fix heap size reporting in HRegion
> ----------------------------------
>
> Key: HBASE-9785
> URL: https://issues.apache.org/jira/browse/HBASE-9785
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.96.0
> Reporter: Himanshu Vashishtha
> Fix For: 0.98.0, 0.96.1
>
> Attachments: HBase-9785.patch
>
>
> The size reported by Fixed_Overhead variable in HRegion misses out on a
> boolean variable. TestHeapSize doesn't report it because of the alignment we
> do to make it multiple of 8.
> The equation for HRegion heap usage from Fixed_Overhead is:
> Fixed_Overhead = align(100 + 42*ref + 1 arr) = align(284) = 288 on a 32 bit vm
> (On a 32 bit vm, 1 ref = 4bytes, 1 arr = 16 bytes)
> The equation formed using reflection (in Classsize) is:
> Expected_Overehead = align(101 + 42*ref + 1arr) = align(285) = 288.
> So, the testHeapSize doesn't fail currently.
> But if I add a reference (did in last patch in 8741), it starts failing
> because, now the equations are:
> Fixed_Overhead = align(100 + 43*ref + 1 arr) = align(288) = 288
> Expected_Overhead = align(101 + 43*ref + 1 arr) = align(289) = 296.
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