Passing along an interesting post from Bits and Bytes; Dominic’s take is (in part) that the two take different approaches to Big Data: Cassandra is more amenable to online, interactive data operations while Hadoop is geared more towards data warehousing, offline index building and analytics.
My team is currently working on a brand new product – the forthcoming MMO http://www.FightMyMonster.com. This has given us the luxury of building against a NOSQL database, which means we can put the horrors of MySQL sharding and expensive scalability behind us. Recently a few people have been asking why we seem to have changed our preference from HBase to Cassandra. I can confirm the change is true and that we have in fact almost completed porting our c … Read More
via Bits and Bytes | Dominic Williams
Pi Ran Out 
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