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https://issues.apache.org/jira/browse/HDFS-5242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14549192#comment-14549192
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Hadoop QA commented on HDFS-5242:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch | 14m 49s | 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 37s | There were no new javac warning
messages. |
| {color:green}+1{color} | javadoc | 9m 53s | There were no new javadoc
warning messages. |
| {color:green}+1{color} | release audit | 0m 23s | The applied patch does
not increase the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle | 0m 20s | The applied patch generated
56 new checkstyle issues (total was 0, now 56). |
| {color:green}+1{color} | whitespace | 0m 0s | The patch has no lines that
end in whitespace. |
| {color:green}+1{color} | install | 1m 36s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 34s | The patch built with
eclipse:eclipse. |
| {color:green}+1{color} | findbugs | 0m 42s | The patch does not introduce
any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | native | 3m 20s | Pre-build of native portion |
| {color:green}+1{color} | hdfs tests | 0m 14s | Tests passed in
hadoop-hdfs-client. |
| | | 39m 32s | |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12733606/HDFS-5242.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / cdfae44 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/11035/artifact/patchprocess/diffcheckstylehadoop-hdfs-client.txt
|
| hadoop-hdfs-client test log |
https://builds.apache.org/job/PreCommit-HDFS-Build/11035/artifact/patchprocess/testrun_hadoop-hdfs-client.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/11035/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf904.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/11035/console |
This message was automatically generated.
> Reduce contention on DatanodeInfo instances
> -------------------------------------------
>
> Key: HDFS-5242
> URL: https://issues.apache.org/jira/browse/HDFS-5242
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Affects Versions: 2.0.0-alpha, 3.0.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Labels: BB2015-05-TBR
> Attachments: HDFS-5242.patch, HDFS-5242.patch, HDFS-5242.patch
>
>
> Synchronization in {{DatanodeInfo}} instances causes unnecessary contention
> between call handlers.
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