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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8670) Better to exclude decommissioned nodes for namenode NodeUsage JMX
Date Wed, 29 Jul 2015 08:21:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14645686#comment-14645686
] 

Hadoop QA commented on HDFS-8670:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  17m  1s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to include 1 new
or modified test files. |
| {color:green}+1{color} | javac |   7m 37s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 35s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 22s | The applied patch does not increase
the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   1m 20s | The applied patch generated  1 new checkstyle
issues (total was 253, now 253). |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 20s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 34s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   2m 28s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | native |   3m  4s | Pre-build of native portion |
| {color:green}+1{color} | hdfs tests | 161m 50s | Tests passed in hadoop-hdfs. |
| | | 205m 14s | |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12747709/HDFS-8670.5.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 0712a81 |
| checkstyle |  https://builds.apache.org/job/PreCommit-HDFS-Build/11862/artifact/patchprocess/diffcheckstylehadoop-hdfs.txt
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/11862/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/11862/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf909.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-HDFS-Build/11862/console |


This message was automatically generated.

> Better to exclude decommissioned nodes for namenode NodeUsage JMX
> -----------------------------------------------------------------
>
>                 Key: HDFS-8670
>                 URL: https://issues.apache.org/jira/browse/HDFS-8670
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Ming Ma
>            Assignee: J.Andreina
>         Attachments: HDFS-8670.1.patch, HDFS-8670.2.patch, HDFS-8670.3.patch, HDFS-8670.4.patch,
HDFS-8670.5.patch
>
>
> The namenode NodeUsage JMX has Max, Median, Min and Standard Deviation of DataNodes usage,
it currently includes decommissioned nodes for the calculation. However, given balancer doesn't
work on decommissioned nodes and sometimes we could have nodes stay in decommissioned states
for a long time; it might be better to exclude decommissioned nodes for the metrics calculation.



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