limiter

README

limiter

Limiter is a rate limiter application that has http and redis interfaces

Strart limiter service taht listens HTTP requests

./limiter --http_port=3000 --redis_port=46379

Start with enabled prometheus

./limiter --http_port=3000 --redis_port=46379 --prometheus true

Usage

Reduce limiter that have 5 max tokens that refils every 10 seconds by 5 tokens (reduces 1 token per request)

curl -i -H "Accept: application/json" -H "Content-Type: application/json" -X GET http://127.0.0.1:3000/API/v1/limiter/test/5/10/5/1/

typical respose

HTTP/1.1 200 OK
Content-Type: application/json; charset=utf-8
Date: Tue, 02 Oct 2018 19:11:08 GMT
Content-Length: 91

{"key":"test","max_tokens":5,"refill_amount":5,"refill_time":10,"tokens":1,"tokens_left":4}

Benchmarks

go test -cpu 1,2,4,8 -run XXX -bench . -benchmem
goos: darwin
goarch: amd64
pkg: github.com/kgantsov/limiter/pkg/limiter
BenchmarkReduce_100_1000_1_1000_1            	 2480442	       455 ns/op	      29 B/op	       3 allocs/op
BenchmarkReduce_100_1000_1_1000_1-2          	 4903908	       265 ns/op	      29 B/op	       3 allocs/op
BenchmarkReduce_100_1000_1_1000_1-4          	 8643420	       150 ns/op	      29 B/op	       3 allocs/op
BenchmarkReduce_100_1000_1_1000_1-8          	11123530	        95.4 ns/op	      29 B/op	       3 allocs/op
BenchmarkReduce_10000000_1000_10_1000_10     	 1210626	       917 ns/op	     193 B/op	       4 allocs/op
BenchmarkReduce_10000000_1000_10_1000_10-2   	 1939578	       559 ns/op	     227 B/op	       4 allocs/op
BenchmarkReduce_10000000_1000_10_1000_10-4   	 4674661	       297 ns/op	     196 B/op	       4 allocs/op
BenchmarkReduce_10000000_1000_10_1000_10-8   	 6048070	       207 ns/op	     163 B/op	       4 allocs/op
PASS
ok  	github.com/kgantsov/limiter/pkg/limiter	14.993s