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https://issues.apache.org/jira/browse/HDFS-220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer resolved HDFS-220.
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Resolution: Won't Fix
I'm going to close this as won't fix, somewhat begrudgingly.
Things like Apache Falcon do/could do some of this work. Additionally,
Facebook's fork of Hadoop does this at the block level which might be
interesting as well to import into upstream.
But those are fundamentally different jiras than where this one started out.
So Won't Fix we go...
> Transparent archival and restore of files from HDFS
> ---------------------------------------------------
>
> Key: HDFS-220
> URL: https://issues.apache.org/jira/browse/HDFS-220
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: dhruba borthakur
> Assignee: dhruba borthakur
> Attachments: archival.pdf, dfscron.txt, migrator.txt
>
>
> There should be a facility to migrate old files away from a production
> cluster. Access to those files from applications should continue to work
> transparently, without changing application code, but maybe with reduced
> performance. The policy engine that does this could be layered on HDFS
> rather than being built into HDFS itself.
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