$ wrk -t12 -c400 -d2s http://127.0.0.1:8080
Running 2s test @ http://127.0.0.1:8080
12 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 7.71ms 3.16ms 23.05ms 69.17%
Req/Sec 3.44k 1.98k 7.80k 58.22%
63697 requests in 2.00s, 17.86MB read
Socket errors: connect 155, read 47, write 0, timeout 66
Requests/sec: 31780.82
Transfer/sec: 8.91MB
main.go
package main
import (
"log"
"net/http"
)
func main() {
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
})
if err := http.ListenAndServe(":8080", nil); err != nil {
log.Fatal("ListenAndServe: ", err)
}
}
$ GOMAXPROCS=2 go run main.go
$ wrk -t12 -c400 -d2s http://127.0.0.1:8080
Running 2s test @ http://127.0.0.1:8080
12 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 3.79ms 492.55us 7.85ms 76.02%
Req/Sec 6.63k 2.47k 13.10k 60.47%
124846 requests in 2.00s, 13.81MB read
Socket errors: connect 155, read 50, write 0, timeout 66
Requests/sec: 62314.54
Transfer/sec: 6.89MB
main.go
package main
import (
"fmt"
"log"
"net/http"
)
func main() {
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
fmt.Fprint(w, "Hello")
})
if err := http.ListenAndServe(":8080", nil); err != nil {
log.Fatal("ListenAndServe: ", err)
}
}
$ GOMAXPROCS=2 go run main.go
$ wrk -t12 -c400 -d2s http://127.0.0.1:8080
Running 2s test @ http://127.0.0.1:8080
12 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 3.79ms 492.55us 7.85ms 76.02%
Req/Sec 6.63k 2.47k 13.10k 60.47%
124846 requests in 2.00s, 13.81MB read
Socket errors: connect 155, read 50, write 0, timeout 66
Requests/sec: 62314.54
Transfer/sec: 6.89MB
mac:~ yoshidakeiji$ wrk -t12 -c400 -d2s http://127.0.0.1:8080
Running 2s test @ http://127.0.0.1:8080
12 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 3.87ms 725.83us 13.10ms 84.56%
Req/Sec 6.50k 3.06k 23.70k 60.89%
121878 requests in 2.00s, 14.06MB read
Socket errors: connect 155, read 54, write 0, timeout 66
Requests/sec: 60837.67
Transfer/sec: 7.02MB
main.go
package main
import (
"log"
"net/http"
)
func main() {
http.Handle("/", http.FileServer(http.Dir("/Users/yoshidakeiji/www")))
if err := http.ListenAndServe(":8080", nil); err != nil {
log.Fatal("ListenAndServe: ", err)
}
}
$ GOMAXPROCS=2 go run main.go
$ wrk -t12 -c400 -d2s http://127.0.0.1:8080
Running 2s test @ http://127.0.0.1:8080
12 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 14.86ms 1.52ms 19.52ms 74.31%
Req/Sec 1.65k 795.40 2.53k 69.16%
32254 requests in 2.00s, 7.47MB read
Socket errors: connect 155, read 0, write 0, timeout 66
Requests/sec: 16088.43
Transfer/sec: 3.73MB
5. Go with a cached file server
main.go
package main
import (
"log"
"net/http"
"github.com/yosssi/go-fileserver"
)
func main() {
fs := fileserver.New(fileserver.Options{})
http.Handle("/", fs.Serve(http.Dir("/Users/yoshidakeiji/www")))
if err := http.ListenAndServe(":8080", nil); err != nil {
log.Fatal("ListenAndServe: ", err)
}
}
$ GOMAXPROCS=2 go run main.go
$ wrk -t12 -c400 -d2s http://127.0.0.1:8080
Running 2s test @ http://127.0.0.1:8080
12 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 13.55ms 2.76ms 27.83ms 75.61%
Req/Sec 2.19k 393.78 3.04k 57.03%
51146 requests in 2.00s, 8.93MB read
Socket errors: connect 0, read 190, write 0, timeout 0
Requests/sec: 25581.43
Transfer/sec: 4.46MB
6. Go with a cached file server which calls io.Copy
instead of http.ServeContent
main.go
package main
import (
"log"
"net/http"
"github.com/yosssi/go-fileserver"
)
func main() {
fs := fileserver.New(fileserver.Options{})
http.Handle("/", fs.Serve(http.Dir("/Users/yoshidakeiji/www")))
if err := http.ListenAndServe(":8080", nil); err != nil {
log.Fatal("ListenAndServe: ", err)
}
}
$ GOMAXPROCS=2 go run main.go
$ wrk -t12 -c400 -d2s http://127.0.0.1:8080
Running 2s test @ http://127.0.0.1:8080
12 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 5.01ms 641.48us 9.39ms 79.67%
Req/Sec 5.27k 1.48k 9.30k 60.07%
118962 requests in 2.00s, 13.17MB read
Socket errors: connect 0, read 125, write 0, timeout 0
Requests/sec: 59517.07
Transfer/sec: 6.59MB
The last two code examples look identical o.o