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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11098) [JDK8] Max Non Heap Memory default changed between JDK7 and 8
Date Sun, 04 Oct 2015 17:53:27 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14942740#comment-14942740
] 

Hadoop QA commented on HADOOP-11098:
------------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  19m 19s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:red}-1{color} | tests included |   0m  0s | 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{color} | javac |   7m 44s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  10m  7s | There were no new javadoc warning messages.
|
| {color:red}-1{color} | release audit |   0m 15s | The applied patch generated 1 release
audit warnings. |
| {color:red}-1{color} | checkstyle |   1m 44s | The applied patch generated  5 new checkstyle
issues (total was 19, now 24). |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 28s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 33s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   4m 17s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:red}-1{color} | common tests |   7m 31s | Tests failed in hadoop-common. |
| {color:red}-1{color} | hdfs tests | 200m 11s | Tests failed in hadoop-hdfs. |
| | | 253m 52s | |
\\
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|| Reason || Tests ||
| Failed unit tests | hadoop.metrics2.impl.TestGangliaMetrics |
|   | hadoop.hdfs.web.TestWebHdfsContentLength |
|   | hadoop.hdfs.web.TestWebHDFSOAuth2 |
|   | hadoop.hdfs.security.TestDelegationTokenForProxyUser |
|   | hadoop.hdfs.TestCrcCorruption |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12764941/HADOOP-11098.001.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 3b85bd7 |
| Release Audit | https://builds.apache.org/job/PreCommit-HADOOP-Build/7765/artifact/patchprocess/patchReleaseAuditProblems.txt
|
| checkstyle |  https://builds.apache.org/job/PreCommit-HADOOP-Build/7765/artifact/patchprocess/diffcheckstylehadoop-common.txt
|
| hadoop-common test log | https://builds.apache.org/job/PreCommit-HADOOP-Build/7765/artifact/patchprocess/testrun_hadoop-common.txt
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HADOOP-Build/7765/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/7765/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf906.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep
3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/7765/console |


This message was automatically generated.

> [JDK8] Max Non Heap Memory default changed between JDK7 and 8
> -------------------------------------------------------------
>
>                 Key: HADOOP-11098
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11098
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.3.0, 2.7.1
>         Environment: JDK8
>            Reporter: Travis Thompson
>            Assignee: Tsuyoshi Ozawa
>         Attachments: HADOOP-11098.001.patch, after.png
>
>
> I noticed this because the NameNode UI shows "Max Non Heap Memory" which after some digging
I found correlates to MaxDirectMemorySize.
> JDK7
> {noformat}
> Heap Memory used 16.75 GB of 23 GB Heap Memory. Max Heap Memory is 23.7 GB.
> Non Heap Memory used 57.32 MB of 67.38 MB Commited Non Heap Memory. Max Non Heap Memory
is 130 MB. 
> {noformat}
> JDK8
> {noformat}
> Heap Memory used 3.02 GB of 7.65 GB Heap Memory. Max Heap Memory is 23.7 GB.
> Non Heap Memory used 103.12 MB of 104.41 MB Commited Non Heap Memory. Max Non Heap Memory
is -1 B. 
> {noformat}
> More information in first comment.



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