I'm not up to speed with Hadoop in Cassandra, but regular Hadoop provides a IO stream interface so it can be used with non Java languages.
http://hadoop.apache.org/common/docs/r0.15.2/streaming.html That may be of help. Aaron On 9 Jun 2010, at 09:53, Jeremy Hanna wrote: > I just didn't know if there were any way to make it easier for the non-java > crowd to take advantage of it. I'll give it some more thought. > > On Jun 8, 2010, at 4:05 PM, Jonathan Ellis wrote: > >> exposing it through thrift would mean the path would be >> >> client >> to cassandra [processing thrift command] >> to hadoop [giving it a job] >> to cassandra [fetching the data] >> to hadoop [m/r] >> to cassandra [handing result back] >> to client >> >> it just doesn't seem like a good design to me. >> >> additionally, thrift is meant more for "stuff your app is doing >> constantly" while hadoop handles analytics queries. this separation >> of duties makes a lot of sense to me. >> >> On Tue, Jun 8, 2010 at 1:45 PM, Jeremy Hanna <jeremy.hanna1...@gmail.com> >> wrote: >>> When I gave a presentation on cassandra+hadoop, some ruby folks were >>> wondering about the possibility of using the MapReduce functionality in a >>> language other than Java. >>> >>> I was just wondering if any thought was given to exposing the >>> org.apache.cassandra.hadoop functionality through thrift. That way the >>> MapReduce code could be used by several languages and secondarily by client >>> authors. >>> >>> I'm just trying to see if there is any reason why it wasn't exposed through >>> thrift or if more needs to be done before it could be exposed to languages >>> other than Java. >>> >>> Thanks, >>> >>> Jeremy >> >> >> >> -- >> Jonathan Ellis >> Project Chair, Apache Cassandra >> co-founder of Riptano, the source for professional Cassandra support >> http://riptano.com >
