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From Steve Loughran <ste...@apache.org>
Subject Re: Why hadoop is written in java?
Date Wed, 13 Oct 2010 11:42:52 GMT
On 13/10/10 04:13, michael j pan wrote:
> So the
> question may be, why is Hadoop (which implements MapReduce as
> described in that paper) the most popular MapReduce framework in the
> wild, even though it was not the first, nor the most efficient?

-good engineering effort at Y! and others means that it scales to double 
digits of petabytes, thousands of nodes, so for everyone else you know 
you don't hit the limits

-good community evolving it

-regular release schedule

-good documentation/books

-evolving set of tools near it: hive, pig, hbase, cassandra, mahout, etc.

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