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From "Harsh J Chouraria (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-1120) Make DataNode's block-to-device placement policy pluggable
Date Sat, 26 Mar 2011 11:26:05 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Harsh J Chouraria updated HDFS-1120:
------------------------------------

    Fix Version/s: 0.23.0
     Release Note: Make the DataNode's block-volume choosing policy pluggable.
           Status: Patch Available  (was: Open)

> Make DataNode's block-to-device placement policy pluggable
> ----------------------------------------------------------
>
>                 Key: HDFS-1120
>                 URL: https://issues.apache.org/jira/browse/HDFS-1120
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: data-node
>            Reporter: Jeff Hammerbacher
>            Assignee: Harsh J Chouraria
>             Fix For: 0.23.0
>
>         Attachments: HDFS-1120.r1.diff, HDFS-1120.r2.diff
>
>
> As discussed on the mailing list, as the number of disk drives per server increases,
it would be useful to allow the DataNode's policy for new block placement to grow in sophistication
from the current round-robin strategy.

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