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From Harsh J <ha...@cloudera.com>
Subject Re: Communication protocol between MR and HDFS
Date Sat, 09 Apr 2011 21:19:28 GMT
Hello Pedro,

On Sat, Apr 9, 2011 at 10:27 PM, Pedro Costa <psdc1978@gmail.com> wrote:
> Hi,
>
> I  was wondering what's the communication protocol between MapReduce
> and the HDFS. The MapReduce fetch and saves data blocks from HDFS by
> HTTP or by RPC?

RPC drives it.

-- 
Harsh J

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