On Tue, May 18, 2010 at 9:40 PM, Mark Schnitzius <mark.schnitz...@cxense.com> wrote: >> If anyone has "war stories" on the topic of Cassandra & Hadoop (or >> even just Hadoop in general) let me know. > > Don't know if it counts as a war story, but I was successful recently in > implementing something I got advice on in an earlier thread, namely feeding > both a Cassandra table and a Hadoop sequence file into the same map/reduce > process and updating the same Cassandra table with the results. I used the > approach I mentioned before, of creating an InputFormat that returns splits > from both (and creating a RecordReader that massages the Cass data into the > same format as the sequence file data). I'll write something up about it > for the wiki, when I can find some time.
That would be very interesting, I hope you can get around to it! -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com
