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-rw-r--r--utils/srandmember/showfreq.rb23
1 files changed, 23 insertions, 0 deletions
diff --git a/utils/srandmember/showfreq.rb b/utils/srandmember/showfreq.rb
new file mode 100644
index 0000000..625519c
--- /dev/null
+++ b/utils/srandmember/showfreq.rb
@@ -0,0 +1,23 @@
+require 'redis'
+
+r = Redis.new
+r.select(9)
+r.del("myset");
+r.sadd("myset",(0..999).to_a)
+freq = {}
+500.times {
+ res = r.pipelined {
+ 1000.times {
+ r.srandmember("myset")
+ }
+ }
+ res.each{|ele|
+ freq[ele] = 0 if freq[ele] == nil
+ freq[ele] += 1
+ }
+}
+
+# Print the frequency each element was yield to process it with gnuplot
+freq.each{|item,count|
+ puts "#{item} #{count}"
+}