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https://issues.apache.org/jira/browse/HBASE-11267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14012738#comment-14012738
]
Hadoop QA commented on HBASE-11267:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12647395/11267-v1.txt
against trunk revision .
ATTACHMENT ID: 12647395
{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 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 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:green}+1 site{color}. The mvn site goal succeeds with this patch.
{color:green}+1 core tests{color}. The patch passed unit tests in .
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/9638//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9638//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9638//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9638//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9638//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9638//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9638//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9638//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9638//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9638//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/9638//console
This message is automatically generated.
> Dynamic metrics2 metrics may consume large amount of heap memory
> ----------------------------------------------------------------
>
> Key: HBASE-11267
> URL: https://issues.apache.org/jira/browse/HBASE-11267
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Ted Yu
> Fix For: 0.99.0
>
> Attachments: 11267-v1.txt
>
>
> User sunweiei provided the following jmap output in 0.96 deployment:
> {code}
> num #instances #bytes class name
> ----------------------------------------------
> 1: 14917882 3396492464 [C
> 2: 1996994 2118021808 [B
> 3: 43341650 1733666000 java.util.LinkedHashMap$Entry
> 4: 14453983 1156550896 [Ljava.util.HashMap$Entry;
> 5: 14446577 924580928
> org.apache.hadoop.metrics2.lib.Interns$CacheWith2Keys$2
> {code}
> Heap consumption by Interns$CacheWith2Keys$2 could be due to calls to
> Interns.info() in DynamicMetricsRegistry.
> This scenario would arise when large number of regions are tracked through
> metrics2.
> Interns class doesn't provide API to remove entries in its internal Map.
> Meaning, DynamicMetricsRegistry#clearMetrics() is unable to reclaim that part
> of heap.
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