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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7753) Fix Multithreaded correctness Warnings in BackupImage.java
Date Sun, 08 Feb 2015 17:57:35 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rakesh R updated HDFS-7753:
---------------------------
    Attachment: HDFS-7753.patch

> Fix Multithreaded correctness Warnings in BackupImage.java
> ----------------------------------------------------------
>
>                 Key: HDFS-7753
>                 URL: https://issues.apache.org/jira/browse/HDFS-7753
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Rakesh R
>            Assignee: Rakesh R
>         Attachments: HDFS-7753.patch
>
>
> Inconsistent synchronization of org.apache.hadoop.hdfs.server.namenode.BackupImage.namesystem;
locked 60% of time
> {code}
> Bug type IS2_INCONSISTENT_SYNC (click for details) 
> In class org.apache.hadoop.hdfs.server.namenode.BackupImage
> Field org.apache.hadoop.hdfs.server.namenode.BackupImage.namesystem
> Synchronized 60% of the time
> Unsynchronized access at BackupImage.java:[line 97]
> Unsynchronized access at BackupImage.java:[line 261]
> Synchronized access at BackupImage.java:[line 197]
> Synchronized access at BackupImage.java:[line 212]
> Synchronized access at BackupImage.java:[line 295]
> {code}
> https://builds.apache.org/job/PreCommit-HDFS-Build/9493//artifact/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html#Details



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