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https://issues.apache.org/jira/browse/HDFS-4247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13507857#comment-13507857
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Tsz Wo (Nicholas), SZE commented on HDFS-4247:
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One minor comment: we should remove synchronized(leaseManager) from
saveFilesUnderConstruction(..).
+1 once it is addressed.
> saveNamespace should be tolerant of dangling lease
> --------------------------------------------------
>
> Key: HDFS-4247
> URL: https://issues.apache.org/jira/browse/HDFS-4247
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Affects Versions: 0.23.0, 2.0.0-alpha, 3.0.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Priority: Blocker
> Attachments: HDFS-4247.branch-0.23.patch, HDFS-4247.patch
>
>
> Dangling leases to non-existent paths cause the NN to fail to start.
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