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Redbench

Redbench is a Go package that allows for bootstrapping benchmarks for servers using a custom implementation of the Redis protocol. It provides the same inputs and outputs as the redis-benchmark tool. The purpose of this library is to provide benchmarking for Redcon compatible servers such as Tile38, but also works well for Redis operations that are not covered by the redis-benchmark tool such as the GEO* commands, custom lua scripts, or Redis Modules.

Getting Started

Installing

To start using Redbench, install Go and run go get:

$ go get -u github.com/tidwall/redbench

This will retrieve the library.

Example

The following example will run a benchmark for the PING,SET,GET,GEOADD,GEORADIUS commands on a server at 127.0.0.1:6379.

package main

import (
	"math/rand"
	"strconv"
	"time"

	"github.com/tidwall/redbench"
)

func main() {
	redbench.Bench("PING", "127.0.0.1:6379", nil, nil, func(buf []byte) []byte {
		return redbench.AppendCommand(buf, "PING")
	})
	redbench.Bench("SET", "127.0.0.1:6379", nil, nil, func(buf []byte) []byte {
		return redbench.AppendCommand(buf, "SET", "key:string", "val")
	})
	redbench.Bench("GET", "127.0.0.1:6379", nil, nil, func(buf []byte) []byte {
		return redbench.AppendCommand(buf, "GET", "key:string")
	})
	rand.Seed(time.Now().UnixNano())
	redbench.Bench("GEOADD", "127.0.0.1:6379", nil, nil, func(buf []byte) []byte {
		return redbench.AppendCommand(buf, "GEOADD", "key:geo",
			strconv.FormatFloat(rand.Float64()*360-180, 'f', 7, 64),
			strconv.FormatFloat(rand.Float64()*170-85, 'f', 7, 64),
			strconv.Itoa(rand.Int()))
	})
	redbench.Bench("GEORADIUS", "127.0.0.1:6379", nil, nil, func(buf []byte) []byte {
		return redbench.AppendCommand(buf, "GEORADIUS", "key:geo",
			strconv.FormatFloat(rand.Float64()*360-180, 'f', 7, 64),
			strconv.FormatFloat(rand.Float64()*170-85, 'f', 7, 64),
			"10", "km")
	})
}

The operations is like as executing, but without the GEO* commands.

$ redis-benchmark -t PING,SET,GET

Custom Options

type Options struct {
	Requests int
	Clients  int
	Pipeline int
	Quiet    bool
	CSV      bool
	Stdout   io.Writer
	Stderr   io.Writer
}

Contact

Josh Baker @tidwall

License

Redbench source code is available under the MIT License.

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