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https://issues.apache.org/jira/browse/HADOOP-12325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15607063#comment-15607063
 ] 

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

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 12m 
37s{color} | {color:blue} Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 4 new or modified test 
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  6m 
38s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  6m 
27s{color} | {color:green} branch-2.7 passed with JDK v1.8.0_111 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  7m  
3s{color} | {color:green} branch-2.7 passed with JDK v1.7.0_111 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
29s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
49s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
16s{color} | {color:green} branch-2.7 passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 
43s{color} | {color:red} hadoop-common-project/hadoop-common in branch-2.7 has 
3 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
47s{color} | {color:green} branch-2.7 passed with JDK v1.8.0_111 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
57s{color} | {color:green} branch-2.7 passed with JDK v1.7.0_111 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
43s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  6m 
24s{color} | {color:green} the patch passed with JDK v1.8.0_111 {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green}  6m 
24s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  6m 
24s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  6m 
29s{color} | {color:green} the patch passed with JDK v1.7.0_111 {color} |
| {color:red}-1{color} | {color:red} cc {color} | {color:red}  6m 29s{color} | 
{color:red} root-jdk1.7.0_111 with JDK v1.7.0_111 generated 1 new + 43 
unchanged - 1 fixed = 44 total (was 44) {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  6m 
29s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 28s{color} | {color:orange} hadoop-common-project/hadoop-common: The patch 
generated 2 new + 456 unchanged - 1 fixed = 458 total (was 457) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
45s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
15s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 3528 line(s) that end in whitespace. Use 
git apply --whitespace=fix <<patch_file>>. Refer 
https://git-scm.com/docs/git-apply {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  1m 
34s{color} | {color:red} The patch 270 line(s) with tabs. {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green}  0m  
0s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 
45s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
41s{color} | {color:red} hadoop-common-project_hadoop-common-jdk1.8.0_111 with 
JDK v1.8.0_111 generated 1 new + 5 unchanged - 0 fixed = 6 total (was 5) 
{color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
54s{color} | {color:red} hadoop-common-project_hadoop-common-jdk1.7.0_111 with 
JDK v1.7.0_111 generated 1 new + 12 unchanged - 0 fixed = 13 total (was 12) 
{color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 20m 47s{color} 
| {color:red} hadoop-common in the patch failed with JDK v1.7.0_111. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
23s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}100m 11s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| JDK v1.8.0_111 Failed junit tests | hadoop.metrics2.impl.TestGangliaMetrics |
|   | hadoop.util.bloom.TestBloomFilters |
| JDK v1.8.0_111 Timed out junit tests | 
org.apache.hadoop.conf.TestConfiguration |
| JDK v1.7.0_111 Failed junit tests | hadoop.ipc.TestDecayRpcScheduler |
|   | hadoop.metrics2.impl.TestGangliaMetrics |
|   | hadoop.util.bloom.TestBloomFilters |
| JDK v1.7.0_111 Timed out junit tests | 
org.apache.hadoop.conf.TestConfiguration |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:c420dfe |
| JIRA Issue | HADOOP-12325 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12835229/HADOOP-12325-branch-2.7.00.patch
 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  xml  cc  |
| uname | Linux 9ddfa6be1074 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 |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | branch-2.7 / c05d701 |
| Default Java | 1.7.0_111 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_111 
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_111 |
| findbugs | v3.0.0 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/10896/artifact/patchprocess/branch-findbugs-hadoop-common-project_hadoop-common-warnings.html
 |
| cc | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/10896/artifact/patchprocess/diff-compile-cc-root-jdk1.7.0_111.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/10896/artifact/patchprocess/diff-checkstyle-hadoop-common-project_hadoop-common.txt
 |
| whitespace | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/10896/artifact/patchprocess/whitespace-eol.txt
 |
| whitespace | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/10896/artifact/patchprocess/whitespace-tabs.txt
 |
| javadoc | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/10896/artifact/patchprocess/diff-javadoc-javadoc-hadoop-common-project_hadoop-common-jdk1.8.0_111.txt
 |
| javadoc | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/10896/artifact/patchprocess/diff-javadoc-javadoc-hadoop-common-project_hadoop-common-jdk1.7.0_111.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/10896/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.7.0_111.txt
 |
| JDK v1.7.0_111  Test Results | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/10896/testReport/ |
| modules | C: hadoop-common-project/hadoop-common U: 
hadoop-common-project/hadoop-common |
| Console output | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/10896/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


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
>             Fix For: 2.8.0, 3.0.0-alpha1
>
>         Attachments: Callers of WritableRpcEngine.call.png, 
> HADOOP-12325-branch-2.7.00.patch, 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, HADOOP-12325.006.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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