Commits on Aug 25, 2016

1. new ValGens + riak_dt+pb driver(s) …

   - Add a fixed size binary set generator (from rdb's bigset work)
   
     For testing CRDT sets we often want to generate a set of elements of
     elements of a certain size. In the past we used int generators, but
     sets of 32bit elements aren't realistic enough. We want to know how
     many elements of size X before performance degrades. To that end this
     commit adds a generator `{fixed_bin_set, ElemSize, Cardinality}` where
     `ElemSize` is the size of a random binary element and `Cardinality` is
     the size of the set. It makes use of the existing binary block
     generation code in valgen.
   
     (cherry picked from commit 3471aaf)
   
   - Add poisson_bin valgen w/ workaround to approx poisson via normal dist
     when over a threshold size (cause it could be too slow!)
   
   - Add variable size binary set generator to create bins within
     (minsize/maxsize, poisson dist, exp dist) params over a specified
     cardinality
   
   - basho_bench driver for riak datatypes over pb, focused on sets right
     now for current benchmark needs (and comparisons to bigsets)
   
   - driver allows for benches over preloaded sets, a single set, and
     normal-stylings (creating sets via keygen) and contains calls for
     batch_inserts via rdb's work
   
   - new distributions/valgens for bins and gen'ing/using them w/ var_bin_sets
   
   - cleaner examples
   
   - add maps benchies & examples
   
   - add more sets bench operations & examples

   

   zeeshanlakhani committed Aug 25, 2016
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