On Wed, Sep 21, 2011 at 10:26 AM, Elias Levy <[email protected]> wrote:
> Any idea what kind of performance hit one takes by lowering the number of > open file handles? I just submitted a pull request to lower the default to 10; should show up in next RC. As for performance, in the tests I've run I've not observed any significant performance impact; I'm sure there _is_ one, it's just not obvious (yet). :) > We are using a ring size of 128. In a worse case scenario all those 128 > vnodes would exist on a single node, so we need 128*max_open_files fd limit > per node. > What about replicas? Do they have their own vnode? Or does a ring with a > size of 128 can only have at most 128 vnodes regardless of replicas or > fallbacks? Replicas ~= vnode, so you should have at most 128 KV vnode in a given ring. D. -- Dave Smith Director, Engineering Basho Technologies, Inc. [email protected] _______________________________________________ riak-users mailing list [email protected] http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
