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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-1783) Ability for HDFS client to write replicas in parallel
Date Thu, 24 Mar 2011 21:52:05 GMT
Ability for HDFS client to write replicas in parallel
-----------------------------------------------------

                 Key: HDFS-1783
                 URL: https://issues.apache.org/jira/browse/HDFS-1783
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: hdfs client
            Reporter: dhruba borthakur
            Assignee: dhruba borthakur


The current implementation of HDFS pipelines the writes to the three replicas. This introduces
some latency for realtime latency sensitive applications. An alternate implementation that
allows the client to write all replicas in parallel gives much better response times to these
applications. 

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