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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-10258) Erasure Coding: support small cluster whose #DataNode < # (Blocks in a BlockGroup)
Date Wed, 11 Jan 2017 01:58:58 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Wang resolved HDFS-10258.
--------------------------------
    Resolution: Later

We also committed the XOR 2,1 policy, so I think the priority of this JIRA is lessened. We
can revisit if small clusters are found to be important later.

> Erasure Coding: support small cluster whose #DataNode < # (Blocks in a BlockGroup)
> ----------------------------------------------------------------------------------
>
>                 Key: HDFS-10258
>                 URL: https://issues.apache.org/jira/browse/HDFS-10258
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Li Bo
>            Assignee: Li Bo
>
> Currently EC has not supported small clusters whose datanode number is smaller than the
block numbers in a block group. This sub task will solve this problem.



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