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From "Suresh Srinivas (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-2832) Enable support for heterogeneous storages in HDFS
Date Tue, 24 Jan 2012 18:06:41 GMT
Enable support for heterogeneous storages in HDFS
-------------------------------------------------

                 Key: HDFS-2832
                 URL: https://issues.apache.org/jira/browse/HDFS-2832
             Project: Hadoop HDFS
          Issue Type: New Feature
    Affects Versions: 0.24.0
            Reporter: Suresh Srinivas
            Assignee: Suresh Srinivas


HDFS currently supports configuration where storages are a list of directories. Typically
each of these directories correspond to a volume with its own file system. All these directories
are homogeneous and therefore identified as a single storage at the namenode. I propose, change
to the current model where Datanode * is a * storage, to Datanode * is a collection * of stroages.




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