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Posted to hdfs-dev@hadoop.apache.org by "Tsz Wo Nicholas Sze (JIRA)" <ji...@apache.org> on 2014/07/12 00:25:04 UTC

[jira] [Created] (HDFS-6671) Archival Storage: Consider block storage policy in replicaiton

Tsz Wo Nicholas Sze created HDFS-6671:
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             Summary: Archival Storage: Consider block storage policy in replicaiton
                 Key: HDFS-6671
                 URL: https://issues.apache.org/jira/browse/HDFS-6671
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: namenode
            Reporter: Tsz Wo Nicholas Sze
            Assignee: Tsz Wo Nicholas Sze


In order to satisfy storage policy requirement, replication monitor in addition reads storage policy information from INodeFile when performing replication.  As before, it only adds replicas if a block is under replicated, and deletes replicas if a block is over replicated.  It will NOT move replicas around for satisfying storage policy requirement.



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