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https://issues.apache.org/jira/browse/HDFS-4315?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron T. Myers updated HDFS-4315:
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Status: Patch Available (was: Open)
> DNs with multiple BPs can have BPOfferServices fail to start due to
> unsynchronized map access
> ---------------------------------------------------------------------------------------------
>
> Key: HDFS-4315
> URL: https://issues.apache.org/jira/browse/HDFS-4315
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Affects Versions: 2.0.2-alpha
> Reporter: Aaron T. Myers
> Assignee: Aaron T. Myers
> Attachments: HDFS-4315.patch
>
>
> In some nightly test runs we've seen pretty frequent failures of
> TestWebHdfsWithMultipleNameNodes. I've traced the root cause to an
> unsynchronized map access in the DataStorage class.
> More details in the first comment.
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