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https://issues.apache.org/jira/browse/HDFS-5164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe updated HDFS-5164:
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Attachment: HDFS-5164.001.patch
> deleteSnapshot should check if OperationCategory.WRITE is possible before
> taking write lock
> -------------------------------------------------------------------------------------------
>
> Key: HDFS-5164
> URL: https://issues.apache.org/jira/browse/HDFS-5164
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.3.0
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Priority: Minor
> Attachments: HDFS-5164.001.patch
>
>
> deleteSnapshot should check if OperationCategory.WRITE is possible before
> taking the write lock, to help avoid lock contention
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