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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-6702) DFSClient should create blocks using StorageType
Date Fri, 18 Jul 2014 03:58:05 GMT
Tsz Wo Nicholas Sze created HDFS-6702:
-----------------------------------------

             Summary: DFSClient should create blocks using StorageType 
                 Key: HDFS-6702
                 URL: https://issues.apache.org/jira/browse/HDFS-6702
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: datanode, hdfs-client
            Reporter: Tsz Wo Nicholas Sze
            Assignee: Tsz Wo Nicholas Sze


When DFSClient asks NN for a new block (via addBlock), NN returns a LocatedBlock with storage
type information.  However, DFSClient does not use StorageType to create blocks with DN. 
As a result, the block replicas could possibly be created with a different storage type.



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