> What is be the effective difference between hashing the keys myself and > letting the random partitioner do it? This is what the RandomPartitioner calls https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/utils/FBUtilities.java#L209
> Is this advisable? I would try to avoid it. It's going to add to your code complexity and make it very hard to balance the cluster. Is building an index row an option ? Cheers ----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 26/01/2012, at 8:36 PM, Todd Fast wrote: > I want to do ranged row queries for a few of my column families, but best > practice seems to be to use the random partitioner. Splitting my column > families between two clusters (one random, one ordered) seems like a pretty > expensive compromise. > > Instead, I'm thinking of using the order-preserving partitioner in my > cluster, but distributing load for most of my column families by hashing the > row keys in my application code. Then, for the few column families which I > need to slice rows, I can just use unhashed keys. > > What is be the effective difference between hashing the keys myself and > letting the random partitioner do it? Is this advisable? > > Thanks, > Todd >
