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From Peter Schuller <>
Subject Re: Cassandra and concurrent programming
Date Mon, 16 May 2011 20:54:35 GMT
> 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 ( for

/ Peter Schuller

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