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From "binlijin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3587) Direct write the packet to datanode when dataQueue is empty
Date Mon, 02 Jul 2012 16:53:21 GMT
binlijin created HDFS-3587:
------------------------------

             Summary: Direct write the packet to datanode when dataQueue is empty
                 Key: HDFS-3587
                 URL: https://issues.apache.org/jira/browse/HDFS-3587
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: binlijin


Current when FSDataOutputStream's write and sync method are called a new Packet may be created
and put into dataQueue, the daemon DataStreamer will get packet from the dataQueue and write
to datanode. If we write the packet direct to datanode when the packet put to dataQueue and
the dataQueue is empty like the RPC Handler write response, may be this be good for hbase?

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