Test Case for Redis Key Length Performance

KeyLengthTest.coffee

redis = require "redis"

randomString = (length) ->
  chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
  result = ""
  i = length

  while i > 0
    result += chars[Math.round(Math.random() * (chars.length - 1))]
    --i
  result

writeTest = (keyLength) ->
	console.log "1000 set statements for #{keyLength} character keys"
	keys = []
	for x in [1..1000]
		keys.push randomString(keyLength)
	startTime = new Date().getTime()
	for x in keys
		client.set x, randomString(10000)
	client.quit ->
		console.log "1000 keys inserted in #{new Date().getTime() - startTime} ms"
		readTest(keys)

readTest = (keys) ->
	client = redis.createClient()
	startTime = new Date().getTime()
	for x in keys
		client.get x
	client.quit ->
		console.log "1000 keys retreived in #{new Date().getTime() - startTime} ms"

client = redis.createClient()

client.flushdb ->
	writeTest(20000)