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https://issues.apache.org/jira/browse/HDFS-6757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14079901#comment-14079901
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Haohui Mai commented on HDFS-6757:
----------------------------------

The v4 patch addresses both [~daryn] and [~cmccabe]'s comments. The main 
differences between the v3 and v4 patch is to add a new parameter, 
{{removedUCFiles}}, to track the leases that have to be revoked during deletes 
and renames.

> Simplify lease manager with INodeID
> -----------------------------------
>
>                 Key: HDFS-6757
>                 URL: https://issues.apache.org/jira/browse/HDFS-6757
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>         Attachments: HDFS-6757.000.patch, HDFS-6757.001.patch, 
> HDFS-6757.002.patch, HDFS-6757.003.patch, HDFS-6757.004.patch
>
>
> Currently the lease manager records leases based on path instead of inode 
> ids. Therefore, the lease manager needs to carefully keep track of the path 
> of active leases during renames and deletes. This can be a non-trivial task.
> This jira proposes to simplify the logic by tracking leases using inodeids 
> instead of paths.



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