On May 23, 2011, at 2:23 PM, Ryan King wrote: > 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.
Would https://issues.apache.org/jira/browse/CASSANDRA-2683 help with that?
