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https://issues.apache.org/jira/browse/HADOOP-12421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14902183#comment-14902183
]
Hadoop QA commented on HADOOP-12421:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch | 27m 3s | 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 | 10m 49s | There were no new javac warning
messages. |
| {color:green}+1{color} | javadoc | 11m 29s | There were no new javadoc
warning messages. |
| {color:green}+1{color} | release audit | 0m 31s | The applied patch does
not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle | 1m 37s | There were no new checkstyle
issues. |
| {color:green}+1{color} | whitespace | 0m 1s | The patch has no lines that
end in whitespace. |
| {color:green}+1{color} | install | 2m 13s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 50s | The patch built with
eclipse:eclipse. |
| {color:green}+1{color} | findbugs | 2m 9s | The patch does not introduce
any new Findbugs (version 3.0.0) warnings. |
| {color:red}-1{color} | common tests | 23m 58s | Tests failed in
hadoop-common. |
| | | 80m 44s | |
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|| Reason || Tests ||
| Failed unit tests | hadoop.ipc.TestDecayRpcScheduler |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12761582/HADOOP-12421-v2.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / dfd807a |
| hadoop-common test log |
https://builds.apache.org/job/PreCommit-HADOOP-Build/7685/artifact/patchprocess/testrun_hadoop-common.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HADOOP-Build/7685/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf907.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/7685/console |
This message was automatically generated.
> Add jitter to RetryInvocationHandler
> ------------------------------------
>
> Key: HADOOP-12421
> URL: https://issues.apache.org/jira/browse/HADOOP-12421
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.8.0
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Attachments: HADOOP-12421-v1.patch, HADOOP-12421-v2.patch
>
>
> Calls to NN can become synchronized across a cluster during NN failover. This
> leads to a spike in requests until things recover. Making an already tricky
> time worse.
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