NoSQL: The Hadoop as ETL part in migrating from MongoDB to Cassandra at FullContact

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The Hadoop as ETL part in migrating from MongoDB to Cassandra at FullContact

While I’ve found the whole post very educative — and very balanced considering the topic — the part that I’m linking to is about integrating MongoDB with Hadoop. After reading the story of integrating MongoDB and Hadoop at Foursquare , there were quite a few questions bugging me. This post doesn’t answer any of them, but it brings in some more details about existing tools, a completely different solution, and what seems to be an overarching theme when using Hadoop and MongoDB in the same phrase:

tags:hadoop,etl,mongodb,cassandra,mapreduce,bigdata,document database,column store,bigtable,dynamo

via NoSQL databases