On 06/06/2012 06:44 PM, Christoph Hellwig wrote: > On Wed, Jun 06, 2012 at 11:56:53AM +0800, Liu Yuan wrote: >> The pros is simplification of code, but you don't say cons, I think we >> should know the perf number we lost by adding a network overhead for IOs >> happen to be local, this can be easily collected by built-in tracer. > > What kind of setup do you want to see this on, e.g. what number of > nodes? > At your convenience :) Maybe two (small cluster and bigger one) would suffice. With cached FD pool, we might not lose that much performance for a quick thought, though, but this is quite radical change of design, numbers will definitely help it in. Kazum, how do you think of this change? Thanks, Yuan |