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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5636) Enforce a max TTL per cache pool
Date Sat, 14 Dec 2013 00:19:07 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13848090#comment-13848090
] 

Andrew Wang commented on HDFS-5636:
-----------------------------------

I was thinking a hard error. It's better for users too since the default expiry is "never".

> Enforce a max TTL per cache pool
> --------------------------------
>
>                 Key: HDFS-5636
>                 URL: https://issues.apache.org/jira/browse/HDFS-5636
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: caching, namenode
>    Affects Versions: 3.0.0
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>
> It'd be nice for administrators to be able to specify a maximum TTL for directives in
a cache pool. This forces all directives to eventually age out.



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