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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5430) Support TTL on CacheBasedPathDirectives
Date Thu, 28 Nov 2013 00:33:35 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5430?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Wang updated HDFS-5430:
------------------------------

    Attachment: hdfs-5430-4.patch

Newly rebased patch, also addressed Colin's comments. TestOEV will still fail , but it passes
locally.

> Support TTL on CacheBasedPathDirectives
> ---------------------------------------
>
>                 Key: HDFS-5430
>                 URL: https://issues.apache.org/jira/browse/HDFS-5430
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>            Reporter: Colin Patrick McCabe
>            Assignee: Andrew Wang
>            Priority: Minor
>         Attachments: hdfs-5430-1.patch, hdfs-5430-2.patch, hdfs-5430-3.patch, hdfs-5430-4.patch
>
>
> It would be nice if CacheBasedPathDirectives would support an expiration time, after
which they would be automatically removed by the NameNode.  This time would probably be in
wall-block time for the convenience of system administrators.



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