Created
August 13, 2014 20:34
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| local currentval = redis.call('get', ARGV[1]) | |
| local currentcount = redis.call('get', ARGV[1] .. '.count') | |
| redis.call('incr', ARGV[1] .. '.count') | |
| currentval = (currentval * (currentcount/(currentcount + 1))) + (ARGV[2]/(currentcount+1)) | |
| redis.call('set', ARGV[1], currentval) | |
| return currentval |
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