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From "Harsh J Chouraria (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-1804) Modify or add a new block-volume device choosing policy that looks at free space
Date Mon, 04 Apr 2011 18:08:06 GMT
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 Chouraria
            Priority: Minor
             Fix For: 0.23.0


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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