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From Jeremy Hanna <>
Subject Anyone using hadoop/MapReduce integration currently?
Date Tue, 25 May 2010 16:35:20 GMT
I'll be doing a presentation on Cassandra's (0.6+) hadoop integration next week. Is anyone
currently using MapReduce or the initial Pig integration?

(If you're unaware of such integration, see

If so, could you post to this thread on how you're using it or planning on using it (if not
covered by the shroud of secrecy)?

What is the use case?

Why are you using Cassandra versus using data stored in HDFS or HBase?

Are you using a separate Hadoop cluster to run the MR jobs on, or perhaps are you running
the Job Tracker and Task Trackers on Cassandra nodes?

Is there anything holding you back from using it (if you would like to use it but currently

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