go-redis

A redis implementation in Go.

Thanks to US Airways treating me to an unexpected 9 hour layover at PHL, I found myself with a little extra time, so I hit the bar and decided to see if I could implement a Go server implementing the redis protocol and GET/SET commands.

I spend probably 2 - 3 hours on this, and the result is kind of neat, as it seems to perform almost as well as redis itself without attempting any forms of optimizations yet.

Given that I'm now stuck at BRU, I'll probably implement this in node.js as well for comparison. To be continued ...

Running

go run main.go

Performance

The numbers below should give you a rough idea, but don't take the numbers too seriously as I've not done any extensive analysis here.

go-redis:

$ redis-benchmark -t GET,SET -n 100000
====== SET ======
  100000 requests completed in 1.18 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1

98.25% <= 1 milliseconds
99.99% <= 2 milliseconds
100.00% <= 2 milliseconds
84459.46 requests per second

====== GET ======
  100000 requests completed in 1.17 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1

98.33% <= 1 milliseconds
100.00% <= 1 milliseconds
85616.44 requests per second

redis:

$ redis-benchmark -t GET,SET -n 100000
====== SET ======
  100000 requests completed in 1.11 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1

99.95% <= 1 milliseconds
99.97% <= 2 milliseconds
100.00% <= 2 milliseconds
89847.26 requests per second

====== GET ======
  100000 requests completed in 1.12 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1

99.95% <= 1 milliseconds
100.00% <= 1 milliseconds
89206.06 requests per second