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|
package main
import (
"context"
"crypto/tls"
"fmt"
"io"
"log"
"math/rand"
"net/http"
"os"
"strconv"
"time"
"github.com/google/uuid"
"github.com/minio/minio-go/v7"
"github.com/minio/minio-go/v7/pkg/credentials"
)
type PRNG struct {
rem int64
}
func (r *PRNG) Read(p []byte) (n int, err error) {
//log.Printf("rem=%d, buf=%d\n", r.rem, len(p))
if int64(len(p)) > r.rem {
p = p[:r.rem]
}
if int64(len(p)) > r.rem {
log.Fatal("LOGIC ERROR")
}
n, err = rand.Read(p)
if err != nil {
return
}
r.rem -= int64(n)
if r.rem <= 0 {
err = io.EOF
//log.Printf("PRNG file has been fully read. rem=%d,n=%d,err=%s\n", r.rem, n, err)
}
return
}
func putObj(mc *minio.Client, buck string, size int64) error {
prng := new(PRNG)
prng.rem = size
key := uuid.New().String()
_, err := mc.PutObject(
context.Background(),
buck,
key,
prng,
size,
minio.PutObjectOptions{ContentType: "application/octet-stream"},
)
return err
}
func main() {
fmt.Printf("total_objects,batch_dur_nanoseconds\n")
minio.MaxRetry = 1
_, isSSL := os.LookupEnv("SSL")
opts := minio.Options{
Creds: credentials.NewStaticV4(os.Getenv("AWS_ACCESS_KEY_ID"), os.Getenv("AWS_SECRET_ACCESS_KEY"), ""),
Secure: isSSL,
}
if region, ok := os.LookupEnv("AWS_REGION"); ok {
opts.Region = region
}
if _, ok := os.LookupEnv("SSL_INSECURE"); ok {
opts.Transport = &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true}}
}
mc, err := minio.New(os.Getenv("ENDPOINT"), &opts)
if err != nil {
log.Fatal("failed connect", err)
return
}
thread := 32
if env_thread, ok := os.LookupEnv("THREAD"); ok {
tmp, err := strconv.Atoi(env_thread)
if err != nil {
log.Fatalf("invalid value for THREAD: %v\n", env_thread)
}
thread = tmp
}
batch_size := 256
if env_batch_size, ok := os.LookupEnv("BATCH_SIZE"); ok {
tmp, err := strconv.Atoi(env_batch_size)
if err != nil {
log.Fatalf("invalid value for BATCH_SIZE: %v\n", env_batch_size)
}
batch_size = tmp
}
batch_count := 128
if env_batch_count, ok := os.LookupEnv("BATCH_COUNT"); ok {
tmp, err := strconv.Atoi(env_batch_count)
if err != nil {
log.Fatalf("invalid value for BATCH_COUNT: %v\n", env_batch_count)
}
batch_count = tmp
}
obj_size := 16
if env_obj_size, ok := os.LookupEnv("OBJ_SIZE"); ok {
tmp, err := strconv.Atoi(env_obj_size)
if err != nil {
log.Fatalf("invalid value for OBJ_SIZE: %v\n", env_obj_size)
}
obj_size = tmp
}
total_obj := thread * batch_size * batch_count
total_size := total_obj * obj_size
log.Printf("if bench succeed, %v objects (%v bytes) will be created\n", total_obj, total_size)
// Create Bucket
buck := uuid.New().String()
err = mc.MakeBucket(context.Background(), buck, minio.MakeBucketOptions{})
if err != nil {
log.Fatal(err)
return
}
log.Printf("created bucket %s\n", buck)
// Start sending...
for bc := 0; bc < batch_count; bc++ {
log.Printf("batch %d/%d - start\n", bc+1, batch_count)
start := time.Now()
syn := make(chan error)
for tc := 0; tc < thread; tc++ {
go func() {
for bs := 0; bs < batch_size; bs++ {
err := putObj(mc, buck, int64(obj_size))
if err != nil {
syn <- err
return
}
}
syn <- nil
}()
}
log.Printf("batch %d/%d - all threads started\n", bc+1, batch_count)
errCount := 0
for tc := 0; tc < thread; tc++ {
cerr := <-syn
if cerr != nil {
errCount += 1
log.Printf("thread %d/%d failed with %s\n", tc, thread, cerr)
}
}
if errCount > 0 {
log.Fatal("Too many errors, exiting...")
return
}
elapsed := time.Since(start)
fmt.Printf("%d,%v\n", bc * thread * batch_size, elapsed.Nanoseconds())
log.Printf("batch %d/%d - all threads returned\n", bc+1, batch_count)
}
}
|
