What do you mean? " I think the direction we are going is instead to just let you co-locate this processing on the same box. This gives the isolation of separate processes and the overhead of the transfer over localhost is pretty minor. "
I see what your saying as it is a specific implemention/use case that diverts from a general purpose mechanism, that's why I was suggesting maybe a hook/event based system. On Tue, May 15, 2012 at 11:24 AM, Jay Kreps <jay.kr...@gmail.com> wrote: > Yeah I see where you are going with that. We toyed with this idea, but > the idea of coupling processing to the log storage raises a lot of > problems for general purpose usage. I think the direction we are going > is instead to just let you co-locate this processing on the same box. > This gives the isolation of separate processes and the overhead of the > transfer over localhost is pretty minor. > > -Jay > > On Tue, May 15, 2012 at 6:38 AM, S Ahmed <sahmed1...@gmail.com> wrote: > > Would it be possible to filter the collection before it gets flush to > disk? > > > > Say I am tracking page views per user, and I could perform a rollup > before > > it gets flushed to disk (using a hashmap with the key being the > sessionId, > > and increment a counter for the duplicate entries). > > > > And could this be done w/o modifying the original source, maybe through > > some sort of event/listener? >