From a317349cb2363e2bf8f151cb4d9614dd508e9d0e Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Mon, 18 Feb 2019 18:47:49 +0100
Subject: [PATCH] Add showfreq.rb to SRANDMEMBER analysis tools.
---
utils/srandmember/showfreq.rb | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 utils/srandmember/showfreq.rb
diff --git a/utils/srandmember/showfreq.rb b/utils/srandmember/showfreq.rb
new file mode 100644
index 000000000..12f9e1857
--- /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 = {}
+100.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 yeld to process it with gnuplot
+freq.each{|item,count|
+ puts "#{item} #{count}"
+}