func main() {
flag.Parse()
opts := []benchmark.Option{
benchmark.WithServiceName(*serviceName),
benchmark.WithTimeout(*timeout),
benchmark.WithRequestSize(*requestSize),
benchmark.WithNumClients(*numClients),
}
if *noLibrary {
opts = append(opts, benchmark.WithNoLibrary())
}
client := benchmark.NewClient(flag.Args(), opts...)
fmt.Println("bench-client started")
rdr := bufio.NewScanner(os.Stdin)
for rdr.Scan() {
line := rdr.Text()
parts := strings.Split(line, " ")
var n int
var err error
if len(parts) >= 2 {
n, err = strconv.Atoi(parts[1])
if err != nil {
log.Fatalf("unrecognized number %q: %v", parts[1], err)
}
}
switch cmd := parts[0]; cmd {
case "warmup":
if err := client.Warmup(); err != nil {
log.Fatalf("warmup failed: %v", err)
}
fmt.Println("success")
continue
case "rcall":
makeCalls(n, client.RawCall)
case "tcall":
makeCalls(n, client.ThriftCall)
case "quit":
return
default:
log.Fatalf("unrecognized command: %v", line)
}
}
if err := rdr.Err(); err != nil {
log.Fatalf("Reader failed: %v", err)
}
}
func benchmarkRelay(b *testing.B, p benchmarkParams) {
b.SetBytes(int64(p.requestSize))
b.ReportAllocs()
services := make(map[string][]string)
servers := make([]benchmark.Server, p.servers)
for i := range servers {
servers[i] = benchmark.NewServer(
benchmark.WithServiceName("svc"),
benchmark.WithRequestSize(p.requestSize),
benchmark.WithExternalProcess(),
)
defer servers[i].Close()
services["svc"] = append(services["svc]"], servers[i].HostPort())
}
relay, err := benchmark.NewRealRelay(services)
require.NoError(b, err, "Failed to create relay")
defer relay.Close()
clients := make([]benchmark.Client, p.clients)
for i := range clients {
clients[i] = benchmark.NewClient([]string{relay.HostPort()},
benchmark.WithServiceName("svc"),
benchmark.WithRequestSize(p.requestSize),
benchmark.WithExternalProcess(),
benchmark.WithTimeout(10*time.Second),
)
defer clients[i].Close()
require.NoError(b, clients[i].Warmup(), "Warmup failed")
}
quantileVals := []float64{0.50, 0.95, 0.99, 1.0}
quantiles := make([]*quantile.Stream, p.clients)
for i := range quantiles {
quantiles[i] = quantile.NewTargeted(quantileVals...)
}
wc := newWorkerControl(p.clients)
dec := testutils.Decrementor(b.N)
for i, c := range clients {
go func(i int, c benchmark.Client) {
// Do a warm up call.
c.RawCall(1)
wc.WorkerStart()
defer wc.WorkerDone()
for {
tokens := dec.Multiple(200)
if tokens == 0 {
break
}
durations, err := c.RawCall(tokens)
if err != nil {
b.Fatalf("Call failed: %v", err)
}
for _, d := range durations {
quantiles[i].Insert(float64(d))
}
}
}(i, c)
}
var started time.Time
wc.WaitForStart(func() {
b.ResetTimer()
started = time.Now()
})
wc.WaitForEnd()
duration := time.Since(started)
fmt.Printf("\nb.N: %v Duration: %v RPS = %0.0f\n", b.N, duration, float64(b.N)/duration.Seconds())
// Merge all the quantiles into 1
for _, q := range quantiles[1:] {
quantiles[0].Merge(q.Samples())
}
for _, q := range quantileVals {
fmt.Printf(" %0.4f = %v\n", q, time.Duration(quantiles[0].Query(q)))
}
fmt.Println()
}