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Date: Thu, 24 Feb 2011 10:32:38 +0000 (UTC)
From: "Uma Maheswara Rao G (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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 <1851442814.13232.1298543558462.JavaMail.tomcat@hel.zones.apache.org>
Subject: [jira] Created: (HDFS-1640) Transmission of large files in
 compressed format will save the network traffic and can improve the data
 transfer time.
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Transmission of large files in compressed format will save the network traffic and can improve the data transfer time.
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                 Key: HDFS-1640
                 URL: https://issues.apache.org/jira/browse/HDFS-1640
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: data-node, hdfs client
            Reporter: Uma Maheswara Rao G


*In Write scenario:*
DFSClient can Compress the data when transmitting it over the network, Data Nodes can forward the same compressed data to other Data Nodes in pipeline and as well as it can decompress that data and write on to their local disks. 

*In Read Scenario:*
 Data Node can compress the data when transmitting it over the network. DFSClient can decompress it and write on to the local stream.


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