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redis-zbench-go.go
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redis-zbench-go.go
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package main
import (
"flag"
"fmt"
hdrhistogram "github.com/HdrHistogram/hdrhistogram-go"
"github.com/mediocregopher/radix/v3"
"golang.org/x/time/rate"
"log"
"math"
"math/rand"
"os"
"os/signal"
"sync"
"sync/atomic"
"time"
)
var totalCommands uint64
var totalAddedElements uint64
var totalErrors uint64
var latencies *hdrhistogram.Histogram
var replySizes []uint64
const Inf = rate.Limit(math.MaxFloat64)
const charset = "abcdefghijklmnopqrstuvwxyz"
func stringWithCharset(length int, charset string, r *rand.Rand) string {
b := make([]byte, length)
for i := range b {
b[i] = charset[r.Intn(len(charset))]
}
return string(b)
}
func main() {
host := flag.String("h", "127.0.0.1", "Server hostname.")
port := flag.Int("p", 12000, "Server port.")
rps := flag.Int64("rps", 0, "Max rps. If 0 no limit is applied and the DB is stressed up to maximum.")
password := flag.String("a", "", "Password for Redis Auth.")
seed := flag.Int64("random-seed", 12345, "random seed to be used.")
clients := flag.Uint64("c", 50, "number of clients.")
keyspacelen := flag.Uint64("r", 1000000, "keyspace length.")
keyspacestart := flag.Uint64("r-start", 0, "keyspace start.")
numberRequests := flag.Uint64("n", 10000000, "Total number of requests. Only used in case of -mode=query")
debug := flag.Int("debug", 0, "Client debug level.")
multi := flag.Bool("multi", false, "Run each command in multi-exec.")
benchMode := flag.String("mode", "", "Bechmark mode. One of [load,query]. `load` will populate the db with sorted sets. `query` will run the zrangebylexscore command .")
perKeyElmRangeStart := flag.Uint64("key-elements-min", 10, "Use zipfian random-sized items in the specified range (min-max).")
perKeyElmRangeEnd := flag.Uint64("key-elements-max", 100, "Use zipfian random-sized items in the specified range (min-max).")
perKeyElmDataSize := flag.Uint64("d", 10, "Data size of each sorted set element.")
pipeline := flag.Uint64("pipeline", 1, "Redis pipeline value.")
version := flag.Bool("v", false, "Output version and exit")
printReplyHistogram := flag.Bool("print-histogram", false, "Print reply histogram")
clusterMode := flag.Bool("oss-cluster", false, "Enable OSS cluster mode.")
query := flag.String("query", "zrangebyscore", "Query type.")
flag.Parse()
git_sha := toolGitSHA1()
git_dirty_str := ""
if toolGitDirty() {
git_dirty_str = "-dirty"
}
if *version {
fmt.Fprintf(os.Stdout, "redis-zbench-go (git_sha1:%s%s)\n", git_sha, git_dirty_str)
os.Exit(0)
}
if *benchMode != "load" && *benchMode != "query" {
log.Fatal("Please specify a valid -mode option. Either `load` or `query`")
}
isLoad := false
if *benchMode == "load" {
isLoad = true
}
var requestRate = Inf
var requestBurst = 1
useRateLimiter := false
if *rps != 0 {
requestRate = rate.Limit(*rps)
requestBurst = int(*clients) * int(*pipeline)
useRateLimiter = true
}
var rateLimiter = rate.NewLimiter(requestRate, requestBurst)
totalCmds := *numberRequests
if isLoad {
totalCmds = *keyspacelen
}
samplesPerClient := totalCmds / *clients
client_update_tick := 1
latencies = hdrhistogram.New(1, 90000000, 3)
opts := make([]radix.DialOpt, 0)
replySizes = make([]uint64, *perKeyElmRangeEnd*100)
if *password != "" {
opts = append(opts, radix.DialAuthPass(*password))
}
connectionStr := fmt.Sprintf("%s:%d", *host, *port)
stopChan := make(chan struct{})
// a WaitGroup for the goroutines to tell us they've stopped
wg := sync.WaitGroup{}
keyspaceend := uint64(*keyspacestart) + uint64(*keyspacelen)
fmt.Printf("Using redis-zbench-go (git_sha1:%s%s)\n", git_sha, git_dirty_str)
fmt.Printf("Total clients: %d. Commands per client: %d Total commands: %d\n", *clients, samplesPerClient, totalCmds)
fmt.Printf("Using random seed: %d\n", *seed)
if isLoad {
fmt.Printf("Each ZSET contains between %d and %d elements.\n", *perKeyElmRangeStart, *perKeyElmRangeEnd)
fmt.Printf("Keyspace range: %d keys. [%d ; %d]\n", *keyspacelen, uint64(*keyspacestart), keyspaceend)
}
var cluster *radix.Cluster
if *clusterMode {
cluster = getOSSClusterConn(connectionStr, opts, *clients)
}
var connectionPool *radix.Pool = getStandaloneConn(connectionStr, opts, *clients)
for client_id := 1; uint64(client_id) <= *clients; client_id++ {
wg.Add(1)
keyspace_client_start := uint64(*keyspacestart) + (uint64(client_id-1) * samplesPerClient)
keyspace_client_end := uint64(*keyspacestart) + (uint64(client_id) * samplesPerClient)
if uint64(client_id) == *clients {
keyspace_client_end = keyspaceend
}
if isLoad {
if *clusterMode {
go loadGoRoutime(cluster, keyspace_client_start, keyspace_client_end, samplesPerClient, *pipeline, *perKeyElmDataSize, *perKeyElmRangeStart, *perKeyElmRangeEnd, int(*debug), &wg, useRateLimiter, rateLimiter, *seed + int64(client_id))
} else {
go loadGoRoutime(connectionPool, keyspace_client_start, keyspace_client_end, samplesPerClient, *pipeline, *perKeyElmDataSize, *perKeyElmRangeStart, *perKeyElmRangeEnd, int(*debug), &wg, useRateLimiter, rateLimiter, *seed + int64(client_id))
}
} else {
switch *query {
case "zrange-byscore-rev":
if *clusterMode {
go queryGoRoutimeZrevrangeByScore(cluster, *multi, uint64(*keyspacelen), samplesPerClient, *pipeline, *perKeyElmDataSize, *perKeyElmRangeStart, *perKeyElmRangeEnd, int(*debug), &wg, useRateLimiter, rateLimiter, *seed + int64(client_id))
} else {
go queryGoRoutimeZrevrangeByScore(connectionPool, *multi, uint64(*keyspacelen), samplesPerClient, *pipeline, *perKeyElmDataSize, *perKeyElmRangeStart, *perKeyElmRangeEnd, int(*debug), &wg, useRateLimiter, rateLimiter, *seed + int64(client_id))
}
case "zrange-byscore":
if *clusterMode {
go queryGoRoutimeZrangeByScore(cluster, *multi, uint64(*keyspacelen), samplesPerClient, *pipeline, *perKeyElmDataSize, *perKeyElmRangeStart, *perKeyElmRangeEnd, int(*debug), &wg, useRateLimiter, rateLimiter, *seed + int64(client_id))
} else {
go queryGoRoutimeZrangeByScore(connectionPool, *multi, uint64(*keyspacelen), samplesPerClient, *pipeline, *perKeyElmDataSize, *perKeyElmRangeStart, *perKeyElmRangeEnd, int(*debug), &wg, useRateLimiter, rateLimiter, *seed + int64(client_id))
}
case "zrevrangebylex":
if *clusterMode {
go queryGoRoutimeZrangeByLex(cluster, *multi, uint64(*keyspacelen), samplesPerClient, *pipeline, *perKeyElmDataSize, *perKeyElmRangeStart, *perKeyElmRangeEnd, int(*debug), &wg, useRateLimiter, rateLimiter, *seed + int64(client_id))
} else {
go queryGoRoutimeZrangeByLex(connectionPool, *multi, uint64(*keyspacelen), samplesPerClient, *pipeline, *perKeyElmDataSize, *perKeyElmRangeStart, *perKeyElmRangeEnd, int(*debug), &wg, useRateLimiter, rateLimiter, *seed + int64(client_id))
}
}
}
}
// listen for C-c
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
tick := time.NewTicker(time.Duration(client_update_tick) * time.Second)
closed, _, duration, totalMessages, _ := updateCLI(tick, c, totalCmds)
messageRate := float64(totalMessages) / float64(duration.Seconds())
p50IngestionMs := float64(latencies.ValueAtQuantile(50.0)) / 1000.0
p95IngestionMs := float64(latencies.ValueAtQuantile(95.0)) / 1000.0
p99IngestionMs := float64(latencies.ValueAtQuantile(99.0)) / 1000.0
fmt.Printf("\n")
fmt.Printf("#################################################\n")
fmt.Printf("Total Duration %.3f Seconds\n", duration.Seconds())
fmt.Printf("Total Issued commands %d\n", totalMessages)
fmt.Printf("Total Errors %d\n", totalErrors)
fmt.Printf("Throughput summary: %.0f requests per second\n", messageRate)
if isLoad {
avgZcard := float64(totalAddedElements) / float64(totalCommands)
fmt.Printf("Average zcard %.0f elements\n", avgZcard)
}
fmt.Printf("Latency summary (msec):\n")
fmt.Printf(" %9s %9s %9s\n", "p50", "p95", "p99")
fmt.Printf(" %9.3f %9.3f %9.3f\n", p50IngestionMs, p95IngestionMs, p99IngestionMs)
if !isLoad && *printReplyHistogram {
fmt.Printf("#################################################\n")
fmt.Printf("Printing reply histogram\n")
var total_replies uint64 = 0
for reply_size, count := range replySizes {
if count > 0 {
percent := float32(count) / float32(totalMessages) * 100.0
fmt.Printf("Size: %d\tCount: %d. (%% %.2f)\n", reply_size, count, percent)
}
total_replies += count
}
fmt.Printf("--------------------------------------------------\n")
fmt.Printf("Total processed replies %d\n", total_replies)
}
if closed {
return
}
// tell the goroutine to stop
close(stopChan)
// and wait for them both to reply back
wg.Wait()
}
func queryGoRoutimeZrangeByLex(conn radix.Client, multi bool, keyspace_len uint64, samplesPerClient uint64, pipeline uint64, perKeyElmDataSize uint64, perKeyElmRangeStart uint64, perKeyElmRangeEnd uint64, debug int, w *sync.WaitGroup, useRateLimiter bool, rateLimiter *rate.Limiter, seed int64) {
defer w.Done()
r := rand.New(rand.NewSource(seed))
var i uint64 = 0
var multiIncr uint64 = 0
var multiPad uint64 = 0
if multi {
multiIncr += 2
multiPad += 1
}
cmds := make([]radix.CmdAction, pipeline+multiIncr)
cmdReplies := make([][]string, pipeline)
for i < samplesPerClient {
key_n := r.Int63n(int64(keyspace_len))
if useRateLimiter {
r := rateLimiter.ReserveN(time.Now(), int(pipeline))
time.Sleep(r.Delay())
}
var j uint64 = 0
if multi {
cmds[0] = radix.Cmd(nil, "MULTI")
cmds[pipeline+multiPad] = radix.Cmd(&cmdReplies, "EXEC")
}
for j < pipeline {
keyname := getBenchKeyName(uint64(key_n))
cmdArgs := []string{keyname, fmt.Sprintf("[%c", charset[r.Intn(len(charset))]), "-"}
cmds[j+multiPad] = radix.Cmd(nil, "ZREVRANGEBYLEX", cmdArgs...)
j = j + 1
key_n = key_n + crc16_num_slots
if uint64(key_n) > keyspace_len {
key_n = key_n % crc16_num_slots
}
}
var err error
startT := time.Now()
err = conn.Do(radix.Pipeline(cmds...))
endT := time.Now()
if err != nil {
log.Fatalf("Received an error with the following command(s): %v, error: %v", cmds, err)
}
duration := endT.Sub(startT)
err = latencies.RecordValue(duration.Microseconds())
if err != nil {
log.Fatalf("Received an error while recording latencies: %v", err)
}
for _, reply := range cmdReplies {
atomic.AddUint64(&replySizes[len(reply)], 1)
}
atomic.AddUint64(&totalCommands, uint64(pipeline))
i = i + pipeline
}
}
func queryGoRoutimeZrangeByScore(conn radix.Client, multi bool, keyspace_len uint64, samplesPerClient uint64, pipeline uint64, perKeyElmDataSize uint64, perKeyElmRangeStart uint64, perKeyElmRangeEnd uint64, debug int, w *sync.WaitGroup, useRateLimiter bool, rateLimiter *rate.Limiter, seed int64) {
defer w.Done()
r := rand.New(rand.NewSource(seed))
var i uint64 = 0
var multiIncr uint64 = 0
var multiPad uint64 = 0
if multi {
multiIncr += 2
multiPad += 1
}
cmds := make([]radix.CmdAction, pipeline+multiIncr)
cmdReplies := make([][]string, pipeline)
for i < samplesPerClient {
key_n := r.Int63n(int64(keyspace_len))
if useRateLimiter {
r := rateLimiter.ReserveN(time.Now(), int(pipeline))
time.Sleep(r.Delay())
}
var j uint64 = 0
if multi {
cmds[0] = radix.Cmd(nil, "MULTI")
cmds[pipeline+multiPad] = radix.Cmd(&cmdReplies, "EXEC")
}
for j < pipeline {
keyname := getBenchKeyName(uint64(key_n))
cmdArgs := []string{keyname, "0", "1", "BYSCORE"}
cmds[j+multiPad] = radix.Cmd(&cmdReplies[j], "ZRANGE", cmdArgs...)
j = j + 1
key_n = key_n + crc16_num_slots
if uint64(key_n) > keyspace_len {
key_n = key_n % crc16_num_slots
}
}
var err error
startT := time.Now()
err = conn.Do(radix.Pipeline(cmds...))
endT := time.Now()
if err != nil {
log.Fatalf("Received an error with the following command(s): %v, error: %v", cmds, err)
}
duration := endT.Sub(startT)
err = latencies.RecordValue(duration.Microseconds())
if err != nil {
log.Fatalf("Received an error while recording latencies: %v", err)
}
for _, reply := range cmdReplies {
atomic.AddUint64(&replySizes[len(reply)/2], 1)
}
atomic.AddUint64(&totalCommands, uint64(pipeline))
i = i + pipeline
}
}
func queryGoRoutimeZrevrangeByScore(conn radix.Client, multi bool, keyspace_len uint64, samplesPerClient uint64, pipeline uint64, perKeyElmDataSize uint64, perKeyElmRangeStart uint64, perKeyElmRangeEnd uint64, debug int, w *sync.WaitGroup, useRateLimiter bool, rateLimiter *rate.Limiter, seed int64) {
defer w.Done()
r := rand.New(rand.NewSource(seed))
var i uint64 = 0
var multiIncr uint64 = 0
var multiPad uint64 = 0
if multi {
multiIncr += 2
multiPad += 1
}
cmds := make([]radix.CmdAction, pipeline+multiIncr)
cmdReplies := make([][]string, pipeline)
for i < samplesPerClient {
key_n := r.Int63n(int64(keyspace_len))
if useRateLimiter {
r := rateLimiter.ReserveN(time.Now(), int(pipeline))
time.Sleep(r.Delay())
}
var j uint64 = 0
if multi {
cmds[0] = radix.Cmd(nil, "MULTI")
cmds[pipeline+multiPad] = radix.Cmd(&cmdReplies, "EXEC")
}
for j < pipeline {
keyname := getBenchKeyName(uint64(key_n))
cmdArgs := []string{keyname, "1", "0"}
cmds[j+multiPad] = radix.Cmd(&cmdReplies[j], "ZREVRANGEBYSCORE", cmdArgs...)
j = j + 1
key_n = key_n + crc16_num_slots
if uint64(key_n) > keyspace_len {
key_n = key_n % crc16_num_slots
}
}
var err error
startT := time.Now()
err = conn.Do(radix.Pipeline(cmds...))
endT := time.Now()
if err != nil {
log.Fatalf("Received an error with the following command(s): %v, error: %v", cmds, err)
}
duration := endT.Sub(startT)
err = latencies.RecordValue(duration.Microseconds())
if err != nil {
log.Fatalf("Received an error while recording latencies: %v", err)
}
for _, reply := range cmdReplies {
atomic.AddUint64(&replySizes[len(reply)/2], 1)
}
atomic.AddUint64(&totalCommands, uint64(pipeline))
i = i + pipeline
}
}
func loadGoRoutime(conn radix.Client, keyspace_client_start uint64, keyspace_client_end uint64, samplesPerClient uint64, pipeline uint64, perKeyElmDataSize uint64, perKeyElmRangeStart uint64, perKeyElmRangeEnd uint64, debug int, w *sync.WaitGroup, useRateLimiter bool, rateLimiter *rate.Limiter, seed int64) {
defer w.Done()
r := rand.New(rand.NewSource(seed))
var i uint64 = 0
var keypos uint64 = keyspace_client_start
cmds := make([]radix.CmdAction, pipeline)
for i < samplesPerClient {
if useRateLimiter {
r := rateLimiter.ReserveN(time.Now(), int(pipeline))
time.Sleep(r.Delay())
}
var j uint64 = 0
for ; j < pipeline; j++ {
keyname := getBenchKeyName(keypos)
cmdArgs := []string{keyname}
nElements := r.Int63n(int64(perKeyElmRangeEnd-perKeyElmRangeStart)) + int64(perKeyElmRangeStart)
var k int64 = 0
for ; k < nElements; k++ {
cmdArgs = append(cmdArgs, fmt.Sprintf("%f", r.Float32()), stringWithCharset(int(perKeyElmDataSize), charset, r))
}
atomic.AddUint64(&totalAddedElements, uint64(nElements))
cmds[j] = radix.Cmd(nil, "ZADD", cmdArgs...)
keypos++
}
var err error
startT := time.Now()
err = conn.Do(radix.Pipeline(cmds...))
endT := time.Now()
if err != nil {
log.Fatalf("Received an error with the following command(s): %v, error: %v", cmds, err)
}
duration := endT.Sub(startT)
err = latencies.RecordValue(duration.Microseconds())
if err != nil {
log.Fatalf("Received an error while recording latencies: %v", err)
}
atomic.AddUint64(&totalCommands, uint64(pipeline))
i = i + pipeline
}
}
func getBenchKeyName(keypos uint64) string {
keyname := fmt.Sprintf("zbench:{%s}:%d", crc16_slot_table[keypos%crc16_num_slots], keypos)
return keyname
}
func updateCLI(tick *time.Ticker, c chan os.Signal, message_limit uint64) (bool, time.Time, time.Duration, uint64, []float64) {
start := time.Now()
prevTime := time.Now()
prevMessageCount := uint64(0)
messageRateTs := []float64{}
fmt.Printf("%26s %7s %25s %25s %7s %25s %25s\n", "Test time", " ", "Total Commands", "Total Errors", "", "Command Rate", "p50 lat. (msec)")
for {
select {
case <-tick.C:
{
now := time.Now()
took := now.Sub(prevTime)
messageRate := float64(totalCommands-prevMessageCount) / float64(took.Seconds())
completionPercent := float64(totalCommands) / float64(message_limit) * 100.0
completionPercentStr := fmt.Sprintf("[%3.1f%%]", completionPercent)
errorPercent := float64(totalErrors) / float64(totalCommands) * 100.0
p50 := float64(latencies.ValueAtQuantile(50.0)) / 1000.0
if prevMessageCount == 0 && totalCommands != 0 {
start = time.Now()
}
if totalCommands != 0 {
messageRateTs = append(messageRateTs, messageRate)
}
prevMessageCount = totalCommands
prevTime = now
fmt.Printf("%25.0fs %s %25d %25d [%3.1f%%] %25.2f %25.2f\t", time.Since(start).Seconds(), completionPercentStr, totalCommands, totalErrors, errorPercent, messageRate, p50)
fmt.Printf("\r")
if message_limit > 0 && totalCommands >= uint64(message_limit) {
return true, start, time.Since(start), totalCommands, messageRateTs
}
break
}
case <-c:
fmt.Println("\nreceived Ctrl-c - shutting down")
return true, start, time.Since(start), totalCommands, messageRateTs
}
}
}