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https://issues.apache.org/jira/browse/HDFS-4437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13564346#comment-13564346
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Daryn Sharp commented on HDFS-4437:
-----------------------------------
I think supporting file descriptor behavior is a great idea (we've internally
talked about this). Until we do, I think the lease should be revoked. My
concerns with fd behavior would be the ever pervasive "two wrongs make a right"
where users are relying unintentionally on renames breaking writers, and
ensuring we get the security right to avoid attacks probing for fileids.
> Clients should not retain leases on moved files
> -----------------------------------------------
>
> Key: HDFS-4437
> URL: https://issues.apache.org/jira/browse/HDFS-4437
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 0.23.0, 2.0.0-alpha, 3.0.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Priority: Critical
>
> Moving open files and/or parent directories of open files will rewrite the
> leases to the new path. The client is not notified so future stream
> operations will fail. However, as long as the client keeps its lease active
> it will have a "lock" on the file in its new location. This is not good for
> a daemon.
> Leases should be released after the file is moved.
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