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From Edward Capriolo <>
Subject Re: Map reduce without hdfs
Date Fri, 27 Apr 2012 00:36:03 GMT
That is one of the perks of brisk and later datastax enterprise. As it
stands the datanode component is only used as a distributed cache for
jars. So if your job uses cassandra for input format and output format
you only need the other components for temporary storage.

On Thu, Apr 26, 2012 at 7:12 PM, ruslan usifov <> wrote:
> Hello to all!
> It it possible to launch only hadoop mapreduce task tracker and job tracker
> against cassandra cluster, and doesn't launch HDFS (use for shared storage
> something else)??
> Thanks

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