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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11180) Intermittent deadlock in NameNode when failover happens.
Date Mon, 28 Nov 2016 22:03:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15703280#comment-15703280
] 

Hadoop QA commented on HDFS-11180:
----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 31s{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:red}-1{color} | {color:red} test4tests {color} | {color:red}  0m  0s{color} | {color:red}
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} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 26s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 47s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 31s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  4s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 14s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 55s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 44s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m  1s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 53s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 53s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 29s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  3s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 11s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m  0s{color}
| {color:green} The patch has no whitespace issues. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 56s{color} | {color:red}
hadoop-hdfs-project/hadoop-hdfs generated 2 new + 0 unchanged - 0 fixed = 2 total (was 0)
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 40s{color} |
{color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 93m 42s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 18s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}114m 51s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs-project/hadoop-hdfs |
|  |  Inconsistent synchronization of org.apache.hadoop.hdfs.server.namenode.FSEditLog.state;
locked 96% of time  Unsynchronized access at FSEditLog.java:96% of time  Unsynchronized access
at FSEditLog.java:[line 550] |
|  |  Increment of volatile field org.apache.hadoop.hdfs.server.namenode.FSEditLog.txid in
org.apache.hadoop.hdfs.server.namenode.FSEditLog.beginTransaction()  At FSEditLog.java:in
org.apache.hadoop.hdfs.server.namenode.FSEditLog.beginTransaction()  At FSEditLog.java:[line
498] |
| Failed junit tests | hadoop.hdfs.server.namenode.TestNameNodeMetadataConsistency |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:a9ad5d6 |
| JIRA Issue | HDFS-11180 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12840665/HDFS-11180.02.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 05e9d2dfbf85 3.13.0-96-generic #143-Ubuntu SMP Mon Aug 29 20:15:20 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / a2b1ff0 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| findbugs | https://builds.apache.org/job/PreCommit-HDFS-Build/17678/artifact/patchprocess/new-findbugs-hadoop-hdfs-project_hadoop-hdfs.html
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/17678/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/17678/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/17678/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Intermittent deadlock in NameNode when failover happens.
> --------------------------------------------------------
>
>                 Key: HDFS-11180
>                 URL: https://issues.apache.org/jira/browse/HDFS-11180
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.6.0
>            Reporter: Abhishek Modi
>            Assignee: Akira Ajisaka
>            Priority: Blocker
>              Labels: high-availability
>         Attachments: HDFS-11180.00.patch, HDFS-11180.01.patch, HDFS-11180.02.patch, jstack.log
>
>
> It is happening due to metrics getting updated at the same time when failover is happening.
Please find attached jstack at that point of time.



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