459 lines
14 KiB
Go
459 lines
14 KiB
Go
// s3-benchmark.go
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// Copyright (c) 2017 Wasabi Technology, Inc.
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package main
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import (
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"bytes"
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"crypto/hmac"
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"crypto/md5"
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"crypto/sha1"
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"crypto/tls"
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"encoding/base64"
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"flag"
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"fmt"
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"io"
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"io/ioutil"
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"log"
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"math/rand"
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"net"
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"net/http"
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"os"
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"sort"
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"strings"
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"sync/atomic"
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"time"
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"code.cloudfoundry.org/bytefmt"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/aws/credentials"
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"github.com/aws/aws-sdk-go/aws/session"
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"github.com/aws/aws-sdk-go/service/s3"
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)
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// Global variables
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var access_key, secret_key, url_host, bucket_prefix, region, sizeArg string
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var buckets []string
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var duration_secs, threads, loops, bucket_count int
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var object_data []byte
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var object_data_md5 string
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var object_size uint64
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var running_threads, object_count, upload_count, download_count, delete_count, upload_slowdown_count, download_slowdown_count, delete_slowdown_count int64
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var endtime, upload_finish, download_finish, delete_finish time.Time
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func logit(msg string) {
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fmt.Println(msg)
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logfile, _ := os.OpenFile("benchmark.log", os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0666)
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if logfile != nil {
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logfile.WriteString(time.Now().Format(http.TimeFormat) + ": " + msg + "\n")
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logfile.Close()
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}
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}
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// Our HTTP transport used for the roundtripper below
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var HTTPTransport http.RoundTripper = &http.Transport{
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Proxy: http.ProxyFromEnvironment,
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Dial: (&net.Dialer{
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Timeout: 30 * time.Second,
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KeepAlive: 30 * time.Second,
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}).Dial,
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TLSHandshakeTimeout: 10 * time.Second,
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ExpectContinueTimeout: 0,
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// Allow an unlimited number of idle connections
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MaxIdleConnsPerHost: 4096,
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MaxIdleConns: 0,
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// But limit their idle time
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IdleConnTimeout: time.Minute,
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// Ignore TLS errors
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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}
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var httpClient = &http.Client{Transport: HTTPTransport}
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func getS3Client() *s3.S3 {
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// Build our config
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creds := credentials.NewStaticCredentials(access_key, secret_key, "")
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loglevel := aws.LogOff
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// Build the rest of the configuration
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awsConfig := &aws.Config{
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Region: aws.String(region),
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Endpoint: aws.String(url_host),
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Credentials: creds,
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LogLevel: &loglevel,
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S3ForcePathStyle: aws.Bool(true),
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S3Disable100Continue: aws.Bool(true),
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// Comment following to use default transport
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HTTPClient: &http.Client{Transport: HTTPTransport},
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}
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session := session.New(awsConfig)
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client := s3.New(session)
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if client == nil {
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log.Fatalf("FATAL: Unable to create new client.")
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}
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// Return success
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return client
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}
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func createBucket(bucket_num int, ignore_errors bool) {
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svc := s3.New(session.New(), cfg)
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log.Printf(buckets[bucket_num])
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in := &s3.CreateBucketInput{Bucket: aws.String(buckets[bucket_num])}
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if _, err := svc.CreateBucket(in); err != nil {
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if strings.Contains(err.Error(), s3.ErrCodeBucketAlreadyOwnedByYou) ||
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strings.Contains(err.Error(), "BucketAlreadyExists") {
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return
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}
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if ignore_errors {
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log.Printf("WARNING: createBucket %s error, ignoring %v", buckets[bucket_num], err)
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} else {
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log.Fatalf("FATAL: Unable to create bucket %s (is your access and secret correct?): %v", buckets[bucket_num], err)
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}
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}
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}
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func deleteAllObjects(bucket_num int) {
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svc := s3.New(session.New(), cfg)
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out, err := svc.ListObjects(&s3.ListObjectsInput{Bucket: &buckets[bucket_num]})
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if err != nil {
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log.Fatal("can't list objects")
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}
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n := len(out.Contents)
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if n == 0 {
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return
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}
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fmt.Printf("got existing %v objects, try to delete now...\n", n)
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for _, v := range out.Contents {
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svc.DeleteObject(&s3.DeleteObjectInput{
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Bucket: &buckets[bucket_num],
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Key: v.Key,
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})
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}
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out, err = svc.ListObjects(&s3.ListObjectsInput{Bucket: &buckets[bucket_num]})
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if err != nil {
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log.Fatal("can't list objects")
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}
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fmt.Printf("after delete, got %v objects\n", len(out.Contents))
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}
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// canonicalAmzHeaders -- return the x-amz headers canonicalized
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func canonicalAmzHeaders(req *http.Request) string {
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// Parse out all x-amz headers
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var headers []string
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for header := range req.Header {
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norm := strings.ToLower(strings.TrimSpace(header))
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if strings.HasPrefix(norm, "x-amz") {
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headers = append(headers, norm)
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}
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}
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// Put them in sorted order
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sort.Strings(headers)
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// Now add back the values
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for n, header := range headers {
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headers[n] = header + ":" + strings.Replace(req.Header.Get(header), "\n", " ", -1)
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}
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// Finally, put them back together
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if len(headers) > 0 {
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return strings.Join(headers, "\n") + "\n"
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} else {
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return ""
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}
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}
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func hmacSHA1(key []byte, content string) []byte {
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mac := hmac.New(sha1.New, key)
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mac.Write([]byte(content))
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return mac.Sum(nil)
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}
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func setSignature(req *http.Request) {
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// Setup default parameters
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dateHdr := time.Now().UTC().Format("20060102T150405Z")
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req.Header.Set("X-Amz-Date", dateHdr)
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// Get the canonical resource and header
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canonicalResource := req.URL.EscapedPath()
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canonicalHeaders := canonicalAmzHeaders(req)
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stringToSign := req.Method + "\n" + req.Header.Get("Content-MD5") + "\n" + req.Header.Get("Content-Type") + "\n\n" +
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canonicalHeaders + canonicalResource
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hash := hmacSHA1([]byte(secret_key), stringToSign)
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signature := base64.StdEncoding.EncodeToString(hash)
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req.Header.Set("Authorization", fmt.Sprintf("AWS %s:%s", access_key, signature))
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}
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func runUpload(thread_num int) {
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// bucket_num := thread_num % bucket_count
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errcnt := 0
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svc := s3.New(session.New(), cfg)
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for {
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if duration_secs > -1 && time.Now().After(endtime) {
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break
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}
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objnum := atomic.AddInt64(&upload_count, 1)
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bucket_num := objnum % int64(bucket_count)
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if object_count > -1 && objnum > object_count {
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objnum = atomic.AddInt64(&upload_count, -1)
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break
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}
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fileobj := bytes.NewReader(object_data)
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//prefix := fmt.Sprintf("%s/%s/Object-%d", url_host, buckets[bucket_num], objnum)
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key := fmt.Sprintf("Object-%d", objnum)
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r := &s3.PutObjectInput{
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Bucket: &buckets[bucket_num],
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Key: &key,
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Body: fileobj,
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}
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req, _ := svc.PutObjectRequest(r)
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// Disable payload checksum calculation (very expensive)
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req.HTTPRequest.Header.Add("X-Amz-Content-Sha256", "UNSIGNED-PAYLOAD")
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err := req.Send()
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if err != nil {
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errcnt++
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atomic.AddInt64(&upload_slowdown_count, 1)
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atomic.AddInt64(&upload_count, -1)
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fmt.Println("upload err", err)
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//break
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}
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if errcnt > 2 {
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break
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}
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fmt.Fprintf(os.Stderr, "upload thread %v, %v\r", thread_num, key)
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}
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// Remember last done time
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upload_finish = time.Now()
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// One less thread
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atomic.AddInt64(&running_threads, -1)
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}
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func runDownload(thread_num int) {
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errcnt := 0
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svc := s3.New(session.New(), cfg)
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for {
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if duration_secs > -1 && time.Now().After(endtime) {
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break
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}
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objnum := atomic.AddInt64(&download_count, 1)
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if objnum > object_count {
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atomic.AddInt64(&download_count, -1)
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break
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}
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bucket_num := objnum % int64(bucket_count)
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key := fmt.Sprintf("Object-%d", objnum)
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fmt.Fprintf(os.Stderr, "download thread %v, %v\r", thread_num, key)
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r := &s3.GetObjectInput{
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Bucket: &buckets[bucket_num],
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Key: &key,
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}
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req, resp := svc.GetObjectRequest(r)
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err := req.Send()
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if err != nil {
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errcnt++
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atomic.AddInt64(&download_slowdown_count, 1)
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atomic.AddInt64(&download_count, -1)
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fmt.Println("download err", err)
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//break
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}
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if err == nil {
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_, err = io.Copy(ioutil.Discard, resp.Body)
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}
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if errcnt > 2 {
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break
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}
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}
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// Remember last done time
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download_finish = time.Now()
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// One less thread
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atomic.AddInt64(&running_threads, -1)
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}
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func runDelete(thread_num int) {
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errcnt := 0
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svc := s3.New(session.New(), cfg)
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for {
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objnum := atomic.AddInt64(&delete_count, 1)
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if objnum > object_count {
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atomic.AddInt64(&delete_count, -1)
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break
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}
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bucket_num := objnum % int64(bucket_count)
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key := fmt.Sprintf("Object-%d", objnum)
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fmt.Fprintf(os.Stderr, "delete thread %v, %v\r", thread_num, key)
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r := &s3.DeleteObjectInput{
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Bucket: &buckets[bucket_num],
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Key: &key,
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}
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req, out := svc.DeleteObjectRequest(r)
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err := req.Send()
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if err != nil {
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errcnt++
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atomic.AddInt64(&delete_slowdown_count, 1)
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atomic.AddInt64(&delete_count, -1)
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fmt.Println("delete err", err, "out", out.String())
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}
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if errcnt > 2 {
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break
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}
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fmt.Fprintf(os.Stderr, "delete thread %v, %v\r", thread_num, key)
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}
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// Remember last done time
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delete_finish = time.Now()
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// One less thread
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atomic.AddInt64(&running_threads, -1)
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}
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var cfg *aws.Config
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func init() {
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// Parse command line
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myflag := flag.NewFlagSet("myflag", flag.ExitOnError)
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myflag.StringVar(&access_key, "a", os.Getenv("AWS_ACCESS_KEY_ID"), "Access key")
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myflag.StringVar(&secret_key, "s", os.Getenv("AWS_SECRET_ACCESS_KEY"), "Secret key")
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myflag.StringVar(&url_host, "u", os.Getenv("AWS_HOST"), "URL for host with method prefix")
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myflag.StringVar(&bucket_prefix, "p", "hotsauce_benchmark", "Prefix for buckets")
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myflag.IntVar(&bucket_count, "b", 1, "Number of buckets to distribute IOs across")
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myflag.StringVar(®ion, "r", "us-east-1", "Region for testing")
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myflag.Int64Var(&object_count, "n", -1, "Maximum number of objects <-1 for unlimited>")
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myflag.IntVar(&duration_secs, "d", 60, "Maximum test duration in seconds <-1 for unlimited>")
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myflag.IntVar(&threads, "t", 1, "Number of threads to run")
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myflag.IntVar(&loops, "l", 1, "Number of times to repeat test")
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myflag.StringVar(&sizeArg, "z", "1M", "Size of objects in bytes with postfix K, M, and G")
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if err := myflag.Parse(os.Args[1:]); err != nil {
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os.Exit(1)
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}
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// Check the arguments
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if object_count < 0 && duration_secs < 0 {
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log.Fatal("The number of objects and duration can not both be unlimited")
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}
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if access_key == "" {
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log.Fatal("Missing argument -a for access key.")
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}
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if secret_key == "" {
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log.Fatal("Missing argument -s for secret key.")
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}
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if url_host == "" {
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log.Fatal("Missing argument -s for host endpoint.")
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}
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var err error
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if object_size, err = bytefmt.ToBytes(sizeArg); err != nil {
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log.Fatalf("Invalid -z argument for object size: %v", err)
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}
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}
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func main() {
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// Hello
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fmt.Println("Wasabi benchmark program v2.0")
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//fmt.Println("accesskey:", access_key, "secretkey:", secret_key)
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cfg = &aws.Config{
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Endpoint: aws.String(url_host),
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Credentials: credentials.NewStaticCredentials(access_key, secret_key, ""),
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Region: aws.String(region),
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// DisableParamValidation: aws.Bool(true),
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DisableComputeChecksums: aws.Bool(true),
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S3ForcePathStyle: aws.Bool(true),
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}
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// Echo the parameters
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logit(fmt.Sprintf("Parameters: url=%s, bucket_prefix=%s, bucket_count=%d, region=%s, duration=%d, threads=%d, loops=%d, size=%s",
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url_host, bucket_prefix, bucket_count, region, duration_secs, threads, loops, sizeArg))
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// Initialize data for the bucket
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object_data = make([]byte, object_size)
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rand.Read(object_data)
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hasher := md5.New()
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hasher.Write(object_data)
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object_data_md5 = base64.StdEncoding.EncodeToString(hasher.Sum(nil))
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// Create the buckets and delete all the objects
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for i := 0; i < bucket_count; i++ {
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buckets = append(buckets, fmt.Sprintf("%s-%d", bucket_prefix, i))
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createBucket(i, true)
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deleteAllObjects(i)
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}
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var uploadspeed, downloadspeed float64
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// Loop running the tests
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for loop := 1; loop <= loops; loop++ {
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// reset counters
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upload_count = 0
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upload_slowdown_count = 0
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download_count = 0
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download_slowdown_count = 0
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delete_count = 0
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delete_slowdown_count = 0
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// Run the upload case
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running_threads = int64(threads)
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starttime := time.Now()
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endtime = starttime.Add(time.Second * time.Duration(duration_secs))
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for n := 0; n < threads; n++ {
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go runUpload(n)
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}
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// Wait for it to finish
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for atomic.LoadInt64(&running_threads) > 0 {
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time.Sleep(time.Millisecond)
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}
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upload_time := upload_finish.Sub(starttime).Seconds()
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bps := float64(uint64(upload_count)*object_size) / upload_time
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logit(fmt.Sprintf("Loop %d: PUT time %.1f secs, objects = %d, speed = %sB/sec, %.1f operations/sec. Slowdowns = %d",
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loop, upload_time, upload_count, bytefmt.ByteSize(uint64(bps)), float64(upload_count)/upload_time, upload_slowdown_count))
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uploadspeed = bps / bytefmt.MEGABYTE
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// Run the download case
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running_threads = int64(threads)
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starttime = time.Now()
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endtime = starttime.Add(time.Second * time.Duration(duration_secs))
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for n := 0; n < threads; n++ {
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go runDownload(n)
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}
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// Wait for it to finish
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for atomic.LoadInt64(&running_threads) > 0 {
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time.Sleep(time.Millisecond)
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}
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download_time := download_finish.Sub(starttime).Seconds()
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bps = float64(uint64(download_count)*object_size) / download_time
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logit(fmt.Sprintf("Loop %d: GET time %.1f secs, objects = %d, speed = %sB/sec, %.1f operations/sec. Slowdowns = %d",
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loop, download_time, download_count, bytefmt.ByteSize(uint64(bps)), float64(download_count)/download_time, download_slowdown_count))
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downloadspeed = bps / bytefmt.MEGABYTE
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// Run the delete case
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running_threads = int64(threads)
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starttime = time.Now()
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endtime = starttime.Add(time.Second * time.Duration(duration_secs))
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for n := 0; n < threads; n++ {
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go runDelete(n)
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}
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// Wait for it to finish
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for atomic.LoadInt64(&running_threads) > 0 {
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time.Sleep(time.Millisecond)
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}
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delete_time := delete_finish.Sub(starttime).Seconds()
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logit(fmt.Sprintf("Loop %d: DELETE time %.1f secs, %.1f deletes/sec. Slowdowns = %d",
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loop, delete_time, float64(upload_count)/delete_time, delete_slowdown_count))
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}
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// All done
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name := strings.Split(strings.TrimPrefix(url_host, "http://"), ".")[0]
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fmt.Printf("result title: name-concurrency-size, uloadspeed, downloadspeed\n")
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fmt.Printf("result csv: %v-%v-%v,%.2f,%.2f\n", name, threads, sizeArg, uploadspeed, downloadspeed)
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}
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