On Mon, May 17, 2010 at 4:12 PM, Vick Khera <vi...@khera.org> wrote: > On Mon, May 17, 2010 at 3:46 PM, Jonathan Ellis <jbel...@gmail.com> wrote: >> Moving to the user@ list. >> >> http://wiki.apache.org/cassandra/HadoopSupport should be useful. > > That document doesn't really answer the "is data locality preserved" > when running the map phase, but my hunch is "no".
The answer is, "yes, as long as you have hadoop on all the cassandra machines." (the case where it's easy to map cassandra locality to hadoop locality :) -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com
