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From "Uma Maheswara Rao G (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-1640) Transmission of large files in compressed format will save the network traffic and can improve the data transfer time.
Date Thu, 30 Jun 2011 13:37:29 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1640?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Uma Maheswara Rao G updated HDFS-1640:
--------------------------------------

    Issue Type: New Feature  (was: Improvement)

> Transmission of large files in compressed format will save the network traffic and can
improve the data transfer time.
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-1640
>                 URL: https://issues.apache.org/jira/browse/HDFS-1640
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: data-node, hdfs client
>            Reporter: Uma Maheswara Rao G
>            Assignee: 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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