forks, add-on patch-sets and features

so far little is happening in this area with MySQL Cluster.
would be interesting to get patches to cluster from a(ny) (huge-web) company...
wonder if that will ever happen...
maybe we don't use enough buzz-words

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it could also be that we add features in a high enough pace ourselves,
preliminary benchmarks of our multi-threaded ndbmtd(4 threads)
shows up to 3.7 times better throughput than singled threaded ndbd.