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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12325) RPC Metrics : Add the ability track and log slow RPCs
Date Mon, 24 Aug 2015 18:03:46 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14709745#comment-14709745
] 

Hadoop QA commented on HADOOP-12325:
------------------------------------

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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 44s | 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 3 new
or modified test files. |
| {color:green}+1{color} | javac |  11m  8s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  13m 21s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 37s | The applied patch does not increase
the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   1m 29s | The applied patch generated  2 new checkstyle
issues (total was 511, now 512). |
| {color:green}+1{color} | whitespace |   0m  3s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   2m 16s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 51s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   2m 25s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:red}-1{color} | common tests |  25m  7s | Tests failed in hadoop-common. |
| | |  75m  6s | |
\\
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|| Reason || Tests ||
| Failed unit tests | hadoop.ipc.TestProtoBufRpc |
|   | hadoop.security.token.delegation.web.TestWebDelegationToken |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12751978/HADOOP-12325.005.test.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / feaf034 |
| checkstyle |  https://builds.apache.org/job/PreCommit-HADOOP-Build/7519/artifact/patchprocess/diffcheckstylehadoop-common.txt
|
| hadoop-common test log | https://builds.apache.org/job/PreCommit-HADOOP-Build/7519/artifact/patchprocess/testrun_hadoop-common.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/7519/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/7519/console |


This message was automatically generated.

> RPC Metrics : Add the ability track and log slow RPCs
> -----------------------------------------------------
>
>                 Key: HADOOP-12325
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12325
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ipc, metrics
>    Affects Versions: 2.7.1
>            Reporter: Anu Engineer
>            Assignee: Anu Engineer
>         Attachments: Callers of WritableRpcEngine.call.png, HADOOP-12325.001.patch, HADOOP-12325.002.patch,
HADOOP-12325.003.patch, HADOOP-12325.004.patch, HADOOP-12325.005.patch, HADOOP-12325.005.test.patch
>
>
> This JIRA proposes to add a counter called RpcSlowCalls and also a configuration setting
that allows users to log really slow RPCs.  Slow RPCs are RPCs that fall at 99th percentile.
This is useful to troubleshoot why certain services like name node freezes under heavy load.



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