+1 on avoiding OPP On Wed, Feb 16, 2011 at 3:27 PM, Tyler Hobbs <ty...@datastax.com> wrote:
> > Thanks for you input, but we have a set key that consists of name:timestamp >> that we are using.. and we need to also retrieve the oldest data as well.. >> > > Then you'll need to denormalize and store every row three ways: timestamp, > inverted timestamp, and normal, if you want to be able to access them in all > three ways using OPP. > > I would recommend not using OPP and just using timeline rows. Here's a > fantastic discussion of OrderPreservingPartitioner vs > RandomPartitioner<http://ria101.wordpress.com/2010/02/22/cassandra-randompartitioner-vs-orderpreservingpartitioner/> > . > > > -- > Tyler Hobbs > Software Engineer, DataStax <http://datastax.com/> > Maintainer of the pycassa <http://github.com/pycassa/pycassa> Cassandra > Python client library > >