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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12754) Lease renewal can hit a deadlock
Date Mon, 20 Nov 2017 13:48:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16259251#comment-16259251
] 

Hadoop QA commented on HDFS-12754:
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| (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  0s{color} | {color:blue}
Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} docker {color} | {color:red} 15m 57s{color} | {color:red}
Docker failed to build yetus/hadoop:5b98639. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-12754 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12898486/HDFS-12754.008.patch
|
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/22142/console |
| Powered by | Apache Yetus 0.7.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Lease renewal can hit a deadlock 
> ---------------------------------
>
>                 Key: HDFS-12754
>                 URL: https://issues.apache.org/jira/browse/HDFS-12754
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.8.1
>            Reporter: Kuhu Shukla
>            Assignee: Kuhu Shukla
>         Attachments: HDFS-12754.001.patch, HDFS-12754.002.patch, HDFS-12754.003.patch,
HDFS-12754.004.patch, HDFS-12754.005.patch, HDFS-12754.006.patch, HDFS-12754.007.patch, HDFS-12754.008.patch
>
>
> The Client and the renewer can hit a deadlock during close operation since closeFile()
reaches back to the DFSClient#removeFileBeingWritten. This is possible if the client class
close when the renewer is renewing a lease.



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