Where is the ColumnFamilyInputFormat that uses Thrift? I don't actually have a preference about client, I just want to be consistent with ColumnInputFormat.
On Sun, Apr 18, 2010 at 5:37 PM, Stu Hood <stu.h...@rackspace.com> wrote: > ColumnFamilyInputFormat no longer uses the fat client API, and instead uses > Thrift. There are still some significant problems with the fat client, so it > shouldn't be used without a good understanding of those problems. > > If you still want to use it, check out contrib/bmt_example, but I'd > recommend that you use thrift for now. > > -----Original Message----- > From: "Joost Ouwerkerk" <jo...@openplaces.org> > Sent: Sunday, April 18, 2010 2:59pm > To: user@cassandra.apache.org > Subject: Help with MapReduce > > I'm a Cassandra noob trying to validate Cassandra as a viable alternative > to > HBase (which we've been using for over a year) for our application. So > far, > I've had no success getting Cassandra working with MapReduce. > > My first step is inserting data into Cassandra. I've created a MapRed job > based using the fat client API. I'm using the fat client (StorageProxy) > because that's what ColumnFamilyInputFormat uses and I want to use the same > API for both read and write jobs. > > When I call StorageProxy.mutate(), nothing happens. The job completes as > if > it had done something, but in fact nothing has changed in the cluster. > When > I call StorageProxy.mutateBlocking(), I get an IOException complaining that > there is no connection to the cluster. I've concluded with the debugger > that StorageService is not connecting to the cluster, even though I've > specified the correct seed and ListenAddress (I've using the exact same > storage-conf.xml as the nodes in the cluster). > > I'm sure I'm missing something obvious in the configuration or my setup, > but > since I'm new to Cassandra, I can't see what it is. > > Any help appreciated, > Joost > > >
