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Posted to hdfs-dev@hadoop.apache.org by "Lei (Eddy) Xu (JIRA)" <ji...@apache.org> on 2017/06/14 23:26:00 UTC

[jira] [Created] (HDFS-11975) Provide a system-default EC policy

Lei (Eddy) Xu created HDFS-11975:
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             Summary: Provide a system-default EC policy
                 Key: HDFS-11975
                 URL: https://issues.apache.org/jira/browse/HDFS-11975
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: erasure-coding
    Affects Versions: 3.0.0-alpha3
            Reporter: Lei (Eddy) Xu
            Assignee: SammiChen


From the usability point of view, it'd be nice to be able to specify a system-wide EC policy, i.e., in {{hdfs-site.xml}}. For most of users / admin / downstream projects, it is not necessary to know the tradeoffs of the EC policy, considering that it requires the knowledge of EC, the actual physical topology of the clusters, and many other factors (i.e., network, cluster size and etc).

 





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