[nonsequitarian]

Heka and Circus have very different goals. Heka is about generic data gathering, processing, and routing. Circus is about task and process monitoring and management. There's some overlap in that Circus needs to gather and process a bit of data to do its job, and it would certainly be possible to use Heka as a part of that, but we're not doing so. We'll probably use Circus to manage at least a few of our `hekad` processes, though.