+1 Which default? 100? A prime? We should also make sure the CH function is optimized for this being on. On Jan 26, 2012 8:12 PM, "Pete Muir" <[email protected]> wrote:
> I think if we are confident it will benefit all, we should turn it on. > > On 26 Jan 2012, at 18:54, Mircea Markus wrote: > > > Hi, > > > > ATM the default value for virtualNodes is 1. This means that the > wheel-share each node has can be very uneven[1] for smalls(up to 15 nodes) > clusters. > > Increasing this value even to a small number(10-30) would significantly > improve each node's share of wheel and the chance for a well balanced data > distribution over the cluster. > > So I think that increasing the default value would make sense. What are > the drawbacks though? I'm thinking performance and HR wise... > > > > > > [1] a random example of uneven distribution obtained with radargun > > > > Cluster size: 4 -> ( 15505 13698 5918 4482) > > Cluster size: 6 -> ( 8761 7820 17145 8188 12827 4183) > > Cluster size: 8 -> ( 8391 6302 10773 22068 3589 200 3050 25211) > > > > > > > > _______________________________________________ > > infinispan-dev mailing list > > [email protected] > > https://lists.jboss.org/mailman/listinfo/infinispan-dev > > > _______________________________________________ > infinispan-dev mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/infinispan-dev >
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