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From momina khan <momina.a...@gmail.com>
Subject Re: Use of RPC Server and Client...
Date Thu, 12 Aug 2010 23:46:47 GMT

the periodic heartbeat call that task trackers make to the jobtracker is
thru RPC ....same for namenode and data nodes.


On Fri, Aug 13, 2010 at 5:39 AM, Ahmad Shahzad <ashahzad4@gmail.com> wrote:

> Hi ALL,
>            Can anyone tell me the purpose for RPC server and RPC client
> that is used in hadoop. As far as logs tell, they are used by JobTracker
> and
> TaskTracker, as well as namenode and datanode. Can anyone tell me that for
> what purpose RPC server and client are used by each of them.
> Ahmad

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