Monthly Archives: August 2010

In a previous post, I described how Rapleaf had built a conceptual model for determining the average aggregate peak throughput (which we’ll call T) that a given network architecture could support. This post applies that model to a variety of network topologies you might consider for your cluster. Just as a brief refresher, T represents [...]

During the time it took for us to get everything sorted out for the 0.3.0 release, we accumulated more than enough changes to justify 0.4.0. There are a ton more changes in this release. (You can find the full summary here.) In addition to the usual bug fixes and performance improvements, there are two really [...]

I had the pleasure of attending Riptano‘s very-well-executed Cassandra Summit on Tuesday. Having always been interested in big databases, not to mention my stint as a committer on HBase, I’ve long been roughly aware that Cassandra exists, but never managed to learn about it very deeply. As such, the Summit provided some really interesting opportunities [...]

When we wrote our last Anonymouse blog post, we were looking into ways to increase cluster coverage by nondeterministically assigning an entity to more than one cluster. We promised that if we found a way to quickly count the number of people that could be in a cluster, we’d let you know how we did [...]