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Posted to hdfs-dev@hadoop.apache.org by "Tsz Wo Nicholas Sze (JIRA)" <ji...@apache.org> on 2014/07/18 05:58:05 UTC

[jira] [Created] (HDFS-6702) DFSClient should create blocks using StorageType

Tsz Wo Nicholas Sze created HDFS-6702:
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             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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