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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4777) File creation with overwrite flag set to true results in logSync holding namesystem lock
Date Sat, 02 May 2015 04:29:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14524648#comment-14524648
] 

Hadoop QA commented on HDFS-4777:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | patch |   0m  0s | The patch command could not apply the patch during
dryrun. |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12581106/HDFS-4777.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / f1a152c |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/10548/console |


This message was automatically generated.

> File creation with overwrite flag set to true results in logSync holding namesystem lock
> ----------------------------------------------------------------------------------------
>
>                 Key: HDFS-4777
>                 URL: https://issues.apache.org/jira/browse/HDFS-4777
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 0.23.0, 2.0.0-alpha
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>         Attachments: HDFS-4777.patch
>
>
> FSNamesystem#startFileInternal calls delete. Delete method releases the write lock, making
parts of startFileInternal code unintentionally executed without write lock being held.



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