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Date: Thu, 18 Oct 2012 17:38:04 +0000 (UTC)
From: "Sameer Vaishampayan (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HADOOP-8937) ClientProtocol should support a
 way to get DataNodeInfo for a particular data node.
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    [ https://issues.apache.org/jira/browse/HADOOP-8937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13479168#comment-13479168 ] 

Sameer Vaishampayan commented on HADOOP-8937:
---------------------------------------------

Patch in review:

https://reviews.apache.org/r/7630/
                
> ClientProtocol should support a way to get DataNodeInfo for a particular data node.
> -----------------------------------------------------------------------------------
>
>                 Key: HADOOP-8937
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8937
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 1.0.3
>            Reporter: Sameer Vaishampayan
>            Priority: Minor
>             Fix For: 2.0.3-alpha
>
>
> HBase project needs a way to find if a DataNode is running local or not on a given host. The current way is too expensive in which getDatanodeReport needs to be called which returns information for all data nodes in the cluster.
> https://issues.apache.org/jira/browse/HBASE-6398

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