nathanmarz/cascalog — pull request #240 by funkenblatt (2014-03-23 04:16:44+00:00)
Title: Make parallel buffers able to optionally use a bufferiter for the final aggregation

I'm running into a problem where the final reduce-side buffered aggregation for for a parallel buffer operation is running out of memory. This should help me with that. Not sure on what the API for it should look like though.