Mark Nelson
GitHub
commit
dd4d6e7ca3
471
s3-benchmark.go
471
s3-benchmark.go
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@ -15,15 +15,17 @@ import (
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"io"
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"io/ioutil"
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"log"
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"math"
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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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"strconv"
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"strings"
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"sync"
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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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@ -37,9 +39,9 @@ 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 running_threads, object_count, object_size, op_count int64
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var endtime, upload_finish, download_finish, delete_finish time.Time
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var interval float64
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func logit(msg string) {
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fmt.Println(msg)
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@ -96,7 +98,6 @@ func getS3Client() *s3.S3 {
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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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@ -180,18 +181,248 @@ func setSignature(req *http.Request) {
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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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type IntervalStats struct {
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bytes int64
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slowdowns int64
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latNano []int64
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}
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type ThreadStats struct {
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start int64
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curInterval int64
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intervals []IntervalStats
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}
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func makeThreadStats(s int64, intervalNano int64) ThreadStats {
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ts := ThreadStats{start: s, curInterval: -1}
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ts.updateIntervals(intervalNano)
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return ts
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}
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func (ts *ThreadStats) updateIntervals(intervalNano int64) int64 {
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if intervalNano < 0 {
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return ts.curInterval
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}
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for ts.start + intervalNano*ts.curInterval < time.Now().UnixNano() {
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ts.intervals = append(ts.intervals, IntervalStats{0, 0, []int64{}})
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ts.curInterval++
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}
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return ts.curInterval
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}
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func (ts *ThreadStats) finish() {
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ts.curInterval = -1
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}
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type Stats struct {
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// threads
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threads int
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// The loop we are in
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loop int
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// Test mode being run
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mode string
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// start time in nanoseconds
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startNano int64
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// end time in nanoseconds
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endNano int64
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// Duration in nanoseconds for each interval
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intervalNano int64
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// Per-thread statistics
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threadStats []ThreadStats
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// a map of counters of how many threads have finished given interval of stats
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intervalCompletions sync.Map
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// a counter of how many threads have finished updating stats entirely
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completions int32
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}
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func makeStats(loop int, mode string, threads int, intervalNano int64) Stats {
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start := time.Now().UnixNano()
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s := Stats{threads, loop, mode, start, 0, intervalNano, []ThreadStats{}, sync.Map{}, 0}
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for i := 0; i < threads; i++ {
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s.threadStats = append(s.threadStats, makeThreadStats(start, s.intervalNano))
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}
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return s
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}
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func (stats *Stats) _getIntervalStats(i int64) IntervalStats {
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bytes := int64(0)
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ops := int64(0)
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slowdowns := int64(0);
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for t := 0; t < stats.threads; t++ {
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bytes += stats.threadStats[t].intervals[i].bytes
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ops += int64(len(stats.threadStats[t].intervals[i].latNano))
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slowdowns += stats.threadStats[t].intervals[i].slowdowns
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}
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// Aggregate the per-thread Latency slice
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tmpLat := make([]int64, ops)
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var c int
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for t := 0; t < stats.threads; t++ {
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c += copy(tmpLat[c:], stats.threadStats[t].intervals[i].latNano)
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}
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sort.Slice(tmpLat, func(i, j int) bool { return tmpLat[i] < tmpLat[j] })
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return IntervalStats{bytes, slowdowns, tmpLat}
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}
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func (stats *Stats) _getTotalStats() IntervalStats {
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bytes := int64(0)
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ops := int64(0)
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slowdowns := int64(0);
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for t := 0; t < stats.threads; t++ {
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for i := 0; i < len(stats.threadStats[t].intervals); i++ {
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bytes += stats.threadStats[t].intervals[i].bytes
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ops += int64(len(stats.threadStats[t].intervals[i].latNano))
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slowdowns += stats.threadStats[t].intervals[i].slowdowns
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}
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}
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// Aggregate the per-thread Latency slice
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tmpLat := make([]int64, ops)
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var c int
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for t := 0; t < stats.threads; t++ {
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for i := 0; i < len(stats.threadStats[t].intervals); i++ {
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c += copy(tmpLat[c:], stats.threadStats[t].intervals[i].latNano)
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}
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}
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sort.Slice(tmpLat, func(i, j int) bool { return tmpLat[i] < tmpLat[j] })
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return IntervalStats{bytes, slowdowns, tmpLat}
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}
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func (stats *Stats) logI(i int64) bool {
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// Check bounds first
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if stats.intervalNano < 0 || i < 0 {
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return false;
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}
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// Not safe to log if not all writers have completed.
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value, ok := stats.intervalCompletions.Load(i)
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if !ok {
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return false;
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}
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cp, ok := value.(*int32)
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if !ok {
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return false;
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}
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count := atomic.LoadInt32(cp)
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if count < int32(stats.threads) {
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return false;
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}
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return stats._log(strconv.FormatInt(i, 10), stats.intervalNano, stats._getIntervalStats(i))
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}
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func (stats *Stats) log() bool {
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// Not safe to log if not all writers have completed.
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completions := atomic.LoadInt32(&stats.completions)
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if (completions < int32(stats.threads)) {
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log.Printf("log, completions: %d", completions)
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return false;
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}
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return stats._log("ALL", stats.endNano - stats.startNano, stats._getTotalStats())
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}
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func (stats *Stats) _log(intervalName string, intervalNano int64, intervalStats IntervalStats) bool {
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// Compute and log the stats
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ops := len(intervalStats.latNano)
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totalLat := int64(0);
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minLat := float64(0);
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maxLat := float64(0);
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NinetyNineLat := float64(0);
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avgLat := float64(0);
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if ops > 0 {
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minLat = float64(intervalStats.latNano[0]) / 1000000
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maxLat = float64(intervalStats.latNano[ops - 1]) / 1000000
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for i := range intervalStats.latNano {
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totalLat += intervalStats.latNano[i]
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}
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avgLat = float64(totalLat) / float64(ops) / 1000000
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NintyNineLatNano := intervalStats.latNano[int64(math.Round(0.99*float64(ops))) - 1]
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NinetyNineLat = float64(NintyNineLatNano) / 1000000
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}
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seconds := float64(intervalNano) / 1000000000
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mbps := float64(intervalStats.bytes) / seconds / bytefmt.MEGABYTE
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iops := float64(ops) / seconds
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log.Printf(
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"Loop: %d, Int: %s, Dur(s): %.1f, Mode: %s, Ops: %d, MB/s: %.2f, IO/s: %.0f, Lat(ms): [ min: %.1f, avg: %.1f, 99%%: %.1f, max: %.1f ], Slowdowns: %d",
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stats.loop,
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intervalName,
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seconds,
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stats.mode,
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ops,
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mbps,
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iops,
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minLat,
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avgLat,
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NinetyNineLat,
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maxLat,
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intervalStats.slowdowns)
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return true
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}
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// Only safe to call from the calling thread
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func (stats *Stats) updateIntervals(thread_num int) int64 {
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curInterval := stats.threadStats[thread_num].curInterval
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newInterval := stats.threadStats[thread_num].updateIntervals(stats.intervalNano)
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// Finish has already been called
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if curInterval < 0 {
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return -1
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}
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for i := curInterval; i < newInterval; i++ {
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// load or store the current value
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value, _ := stats.intervalCompletions.LoadOrStore(i, new(int32))
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cp, ok := value.(*int32)
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if !ok {
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log.Printf("updateIntervals: got data of type %T but wanted *int32", value)
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continue
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}
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count := atomic.AddInt32(cp, 1)
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if count == int32(stats.threads) {
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stats.logI(i)
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}
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}
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return newInterval
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}
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func (stats *Stats) addOp(thread_num int, bytes int64, latNano int64) {
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// Interval statistics
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cur := stats.threadStats[thread_num].curInterval
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if cur < 0 {
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return
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}
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stats.threadStats[thread_num].intervals[cur].bytes += bytes
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stats.threadStats[thread_num].intervals[cur].latNano =
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append(stats.threadStats[thread_num].intervals[cur].latNano, latNano)
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}
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func (stats *Stats) addSlowDown(thread_num int) {
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cur := stats.threadStats[thread_num].curInterval
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stats.threadStats[thread_num].intervals[cur].slowdowns++
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}
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func (stats *Stats) finish(thread_num int) {
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stats.threadStats[thread_num].updateIntervals(stats.intervalNano)
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stats.threadStats[thread_num].finish()
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count := atomic.AddInt32(&stats.completions, 1)
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if count == int32(stats.threads) {
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stats.endNano = time.Now().UnixNano()
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}
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}
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func runUpload(thread_num int, fendtime time.Time, stats *Stats) {
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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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objnum := atomic.AddInt64(&op_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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objnum = atomic.AddInt64(&op_count, -1)
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break
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}
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fileobj := bytes.NewReader(object_data)
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@ -202,30 +433,36 @@ func runUpload(thread_num int) {
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Key: &key,
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Body: fileobj,
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}
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start := time.Now().UnixNano()
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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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end := time.Now().UnixNano()
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stats.updateIntervals(thread_num)
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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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stats.addSlowDown(thread_num);
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atomic.AddInt64(&op_count, -1)
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fmt.Println("upload err", err)
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//break
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} else {
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// Update the stats
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stats.addOp(thread_num, object_size, end-start)
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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 %5v, %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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// stats are done
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stats.finish(thread_num)
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}
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func runDownload(thread_num int) {
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func runDownload(thread_num int, fendtime time.Time, stats *Stats) {
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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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@ -233,9 +470,9 @@ func runDownload(thread_num int) {
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break
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}
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objnum := atomic.AddInt64(&download_count, 1)
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objnum := atomic.AddInt64(&op_count, 1)
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if objnum > object_count {
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atomic.AddInt64(&download_count, -1)
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atomic.AddInt64(&op_count, -1)
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break
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}
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@ -246,37 +483,45 @@ func runDownload(thread_num int) {
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Key: &key,
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}
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start := time.Now().UnixNano()
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req, resp := svc.GetObjectRequest(r)
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err := req.Send()
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end := time.Now().UnixNano()
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stats.updateIntervals(thread_num)
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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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stats.addSlowDown(thread_num);
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fmt.Println("download err", err)
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//break
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}
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} else {
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// Update the stats
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stats.addOp(thread_num, object_size, end-start)
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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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fmt.Fprintf(os.Stderr, "download thread %5v, %v\r", thread_num, key)
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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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// stats are done
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stats.finish(thread_num)
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}
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func runDelete(thread_num int) {
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func runDelete(thread_num int, stats *Stats) {
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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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objnum := atomic.AddInt64(&op_count, 1)
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if objnum > object_count {
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atomic.AddInt64(&delete_count, -1)
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atomic.AddInt64(&op_count, -1)
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break
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}
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@ -288,119 +533,84 @@ func runDelete(thread_num int) {
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Key: &key,
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}
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start := time.Now().UnixNano()
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req, out := svc.DeleteObjectRequest(r)
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err := req.Send()
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end := time.Now().UnixNano()
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stats.updateIntervals(thread_num)
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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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stats.addSlowDown(thread_num);
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fmt.Println("delete err", err, "out", out.String())
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}
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} else {
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// Update the stats
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stats.addOp(thread_num, object_size, end-start)
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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 %5v, %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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// stats are done
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stats.finish(thread_num)
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}
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var cfg *aws.Config
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func init_buckets(loop int) {
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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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func initBuckets(loop int, stats *Stats) {
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// Create the buckets and delete all the objects
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starttime := time.Now()
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for i := 0; i < bucket_count; i++ {
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start := time.Now().UnixNano()
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createBucket(i, true)
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deleteAllObjects(i)
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end := time.Now().UnixNano()
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stats.updateIntervals(0)
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stats.addOp(0, 0, end-start)
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}
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init_time := time.Now().Sub(starttime).Seconds()
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logit(fmt.Sprintf("Loop %d: INIT time %.1f secs, buckets = %d, speed = %.1f buckets/sec.",
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loop, init_time, bucket_count, float64(bucket_count)/init_time))
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stats.finish(0)
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}
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func run_put(loop int) float64 {
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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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func runWrapper(loop int, r rune) {
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op_count = 0
|
||||
running_threads = int64(threads)
|
||||
intervalNano := int64(interval*1000000000)
|
||||
endtime = time.Now().Add(time.Second * time.Duration(duration_secs))
|
||||
var stats Stats
|
||||
|
||||
running_threads = int64(threads)
|
||||
starttime := time.Now()
|
||||
endtime = starttime.Add(time.Second * time.Duration(duration_secs))
|
||||
for n := 0; n < threads; n++ {
|
||||
go runUpload(n)
|
||||
switch r {
|
||||
case 'i':
|
||||
log.Printf("Running Loop %d Init", loop)
|
||||
stats = makeStats(loop, "INIT", 1, intervalNano)
|
||||
initBuckets(loop, &stats);
|
||||
running_threads = 0;
|
||||
case 'p':
|
||||
log.Printf("Running Loop %d Put Test", loop)
|
||||
stats = makeStats(loop, "PUT", threads, intervalNano)
|
||||
for n := 0; n < threads; n++ {
|
||||
go runUpload(n, endtime, &stats);
|
||||
}
|
||||
case 'g':
|
||||
log.Printf("Running Loop %d Get Test", loop)
|
||||
stats = makeStats(loop, "GET", threads, intervalNano)
|
||||
for n := 0; n < threads; n++ {
|
||||
go runDownload(n, endtime, &stats);
|
||||
}
|
||||
case 'd':
|
||||
log.Printf("Running Loop %d Del Test", loop)
|
||||
stats = makeStats(loop, "DEL", threads, intervalNano)
|
||||
for n := 0; n < threads; n++ {
|
||||
go runDelete(n, &stats);
|
||||
}
|
||||
}
|
||||
|
||||
// Wait for it to finish
|
||||
for atomic.LoadInt64(&running_threads) > 0 {
|
||||
time.Sleep(time.Millisecond)
|
||||
}
|
||||
upload_time := upload_finish.Sub(starttime).Seconds()
|
||||
|
||||
bps := float64(uint64(upload_count)*object_size) / upload_time
|
||||
logit(fmt.Sprintf("Loop %d: PUT time %.1f secs, objects = %d, speed = %sB/sec, %.1f operations/sec. Slowdowns = %d",
|
||||
loop, upload_time, upload_count, bytefmt.ByteSize(uint64(bps)), float64(upload_count)/upload_time, upload_slowdown_count))
|
||||
|
||||
return bps / bytefmt.MEGABYTE
|
||||
}
|
||||
|
||||
func run_get(loop int) float64 {
|
||||
// reset counters
|
||||
download_count = 0
|
||||
download_slowdown_count = 0
|
||||
|
||||
running_threads = int64(threads)
|
||||
starttime := time.Now()
|
||||
endtime = starttime.Add(time.Second * time.Duration(duration_secs))
|
||||
for n := 0; n < threads; n++ {
|
||||
go runDownload(n)
|
||||
}
|
||||
|
||||
// Wait for it to finish
|
||||
for atomic.LoadInt64(&running_threads) > 0 {
|
||||
time.Sleep(time.Millisecond)
|
||||
}
|
||||
download_time := download_finish.Sub(starttime).Seconds()
|
||||
|
||||
bps := float64(uint64(download_count)*object_size) / download_time
|
||||
logit(fmt.Sprintf("Loop %d: GET time %.1f secs, objects = %d, speed = %sB/sec, %.1f operations/sec. Slowdowns = %d",
|
||||
loop, download_time, download_count, bytefmt.ByteSize(uint64(bps)), float64(download_count)/download_time, download_slowdown_count))
|
||||
|
||||
return bps / bytefmt.MEGABYTE
|
||||
}
|
||||
|
||||
func run_delete(loop int) float64 {
|
||||
// reset counters
|
||||
delete_count = 0
|
||||
delete_slowdown_count = 0
|
||||
|
||||
running_threads = int64(threads)
|
||||
starttime := time.Now()
|
||||
for n := 0; n < threads; n++ {
|
||||
go runDelete(n)
|
||||
}
|
||||
|
||||
// Wait for it to finish
|
||||
for atomic.LoadInt64(&running_threads) > 0 {
|
||||
time.Sleep(time.Millisecond)
|
||||
}
|
||||
delete_time := delete_finish.Sub(starttime).Seconds()
|
||||
|
||||
bps := float64(uint64(delete_count)*object_size) / delete_time
|
||||
logit(fmt.Sprintf("Loop %d: DELETE time %.1f secs, %.1f deletes/sec. Slowdowns = %d",
|
||||
loop, delete_time, float64(upload_count)/delete_time, delete_slowdown_count))
|
||||
|
||||
return bps / bytefmt.MEGABYTE
|
||||
// Wait for it to finish
|
||||
for atomic.LoadInt64(&running_threads) > 0 {
|
||||
time.Sleep(time.Millisecond)
|
||||
}
|
||||
stats.log()
|
||||
}
|
||||
|
||||
func init() {
|
||||
|
|
@ -419,7 +629,7 @@ func init() {
|
|||
myflag.IntVar(&threads, "t", 1, "Number of threads to run")
|
||||
myflag.IntVar(&loops, "l", 1, "Number of times to repeat test")
|
||||
myflag.StringVar(&sizeArg, "z", "1M", "Size of objects in bytes with postfix K, M, and G")
|
||||
|
||||
myflag.Float64Var(&interval, "ri", 1.0, "Number of seconds between report intervals")
|
||||
// define custom usage output with notes
|
||||
notes :=
|
||||
`
|
||||
|
|
@ -471,9 +681,20 @@ NOTES:
|
|||
log.Fatal("Invalid modes passed to -m, see help for details.")
|
||||
}
|
||||
var err error
|
||||
if object_size, err = bytefmt.ToBytes(sizeArg); err != nil {
|
||||
var size uint64
|
||||
if size, err = bytefmt.ToBytes(sizeArg); err != nil {
|
||||
log.Fatalf("Invalid -z argument for object size: %v", err)
|
||||
}
|
||||
object_size = int64(size)
|
||||
}
|
||||
|
||||
func initData() {
|
||||
// Initialize data for the bucket
|
||||
object_data = make([]byte, object_size)
|
||||
rand.Read(object_data)
|
||||
hasher := md5.New()
|
||||
hasher.Write(object_data)
|
||||
object_data_md5 = base64.StdEncoding.EncodeToString(hasher.Sum(nil))
|
||||
}
|
||||
|
||||
func main() {
|
||||
|
|
@ -494,30 +715,18 @@ func main() {
|
|||
logit(fmt.Sprintf("Parameters: url=%s, bucket_prefix=%s, bucket_count=%d, region=%s, duration=%d, threads=%d, loops=%d, size=%s",
|
||||
url_host, bucket_prefix, bucket_count, region, duration_secs, threads, loops, sizeArg))
|
||||
|
||||
// Init Data
|
||||
initData()
|
||||
|
||||
// Setup the slice of buckets
|
||||
for i := 0; i < bucket_count; i++ {
|
||||
buckets = append(buckets, fmt.Sprintf("%s%012d", bucket_prefix, i))
|
||||
}
|
||||
|
||||
var uploadspeed, downloadspeed float64
|
||||
// Loop running the tests
|
||||
for loop := 1; loop <= loops; loop++ {
|
||||
for _, r := range modes {
|
||||
switch r {
|
||||
case 'i':
|
||||
init_buckets(loop);
|
||||
case 'p':
|
||||
uploadspeed = run_put(loop);
|
||||
case 'g':
|
||||
downloadspeed = run_get(loop);
|
||||
case 'd':
|
||||
run_delete(loop);
|
||||
}
|
||||
for loop := 0; loop < loops; loop++ {
|
||||
for _, r := range modes {
|
||||
runWrapper(loop, r)
|
||||
}
|
||||
}
|
||||
|
||||
// All done
|
||||
name := strings.Split(strings.TrimPrefix(url_host, "http://"), ".")[0]
|
||||
fmt.Printf("result title: name-concurrency-size, uloadspeed, downloadspeed\n")
|
||||
fmt.Printf("result csv: %v-%v-%v,%.2f,%.2f\n", name, threads, sizeArg, uploadspeed, downloadspeed)
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue