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https://issues.apache.org/jira/browse/HDFS-1804?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J updated HDFS-1804:
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    Fix Version/s:     (was: 0.24.0)
    
> Modify or add a new block-volume device choosing policy that looks at free 
> space
> --------------------------------------------------------------------------------
>
>                 Key: HDFS-1804
>                 URL: https://issues.apache.org/jira/browse/HDFS-1804
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: data-node
>            Reporter: Harsh J
>            Priority: Minor
>              Labels: newbie
>
> HDFS-1120 introduced pluggable block-volume choosing policies, but still 
> carries the vanilla RoundRobin as its default.
> An additional implementation that also takes into consideration the free 
> space remaining on the disk (or other params) should be a good addition as an 
> alternative to vanilla RR.

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