On Mon, May 23, 2011 at 12:06 PM, Yang <teddyyyy...@gmail.com> wrote: > Thanks Ryan, > > could you please share more details: according to what you observed in > testing, why was performance worse if you do not do extra buffering? > > I was thinking (could be wrong) that without extra buffering, the > counter update goes to Memtable.putIfPresent() and > CounterColumn.resolve(), > which are still in-memory operations, and thus would not be so bad ?
You're forgetting the commit log. -ryan
