Re: Cassandra and concurrent programming

2011-05-16 Thread Mark Kerzner
Thank you for a quick answer - I could impress my colleagues at the meeting :) On Mon, May 16, 2011 at 2:54 PM, Peter Schuller wrote: > > In threading, you would do an atomic "put if not present," is there such > a > > thing in Cassandra? > > No. In general, one works to avoid the need for stron

Re: Cassandra and concurrent programming

2011-05-16 Thread Peter Schuller
> In threading, you would do an atomic "put if not present," is there such a > thing in Cassandra? No. In general, one works to avoid the need for strong co-ordination. If strong co-ordination is truly required, some external method is required. Some people use ZooKeeper (http://zookeeper.apache.o