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https://issues.apache.org/jira/browse/HDFS-7753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14313537#comment-14313537
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Rakesh R commented on HDFS-7753:
--------------------------------
OK. Based on the discussion on HDFS-7754 will go ahead and do the changes. If
anyone has strong argument to fix this issue, can come back and refer the patch
attached in this jira. I'm closing as duplicate now.
> 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
> Affects Versions: 2.7.0
> 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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