The utilities in this directory plot the distribution of SRANDMEMBER to evaluate how fair it is.
See http://theshfl.com/redis_sets for more information on the topic that lead to such investigation fix.
showdist.rb -- shows the distribution of the frequency elements are returned. The x axis is the number of times elements were returned, and the y axis is how many elements were returned with such frequency.
showfreq.rb -- shows the frequency each element was returned. The x axis is the element number. The y axis is the times it was returned.