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https://issues.apache.org/jira/browse/HDFS-4777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suresh Srinivas updated HDFS-4777:
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Status: Patch Available (was: Open)
> 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: 2.0.0-alpha, 0.23.0
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Priority: Blocker
> 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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