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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1274) ability to send replication traffic on a separate port to the Datanode
Date Tue, 29 Jun 2010 16:57:14 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12883613#action_12883613
] 

dhruba borthakur commented on HDFS-1274:
----------------------------------------

> Is this for TCP-level QoS?

precisely.

> ability to send replication traffic on a separate port to the Datanode
> ----------------------------------------------------------------------
>
>                 Key: HDFS-1274
>                 URL: https://issues.apache.org/jira/browse/HDFS-1274
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: data-node
>            Reporter: dhruba borthakur
>
> The datanode receives data from a client write request or from a replication request.
It is useful to configure the cluster to so that dedicated bandwidth is allocated for client
writes and replication traffic. This requires that the client-writes and replication traffic
be configured to operate on two different ports to the datanode.

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