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https://issues.apache.org/jira/browse/HADOOP-3083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12581788#action_12581788
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dhruba borthakur commented on HADOOP-3083:
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The HDFS client talks to the namenode using the pathname as the identifier. For
example, if the client needs to allocate a new block, it sends a
block-allocation request to the namenode. The namenode looks up the inode using
the pathname and associates a new block with the file. So, a file is renamed,
all new request for block allocations using the old pathname fails. So, just
fixing the lease is not sufficient to support writing to files across renames.
> Remove lease when file is renamed
> ---------------------------------
>
> Key: HADOOP-3083
> URL: https://issues.apache.org/jira/browse/HADOOP-3083
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Reporter: dhruba borthakur
> Assignee: dhruba borthakur
>
> When a file/directory is removed, the namenode should remove lease(s) for
> files that were affected by the rename.
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