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428 lines
14 KiB
428 lines
14 KiB
/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"bytes"
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"io/ioutil"
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"math"
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"math/rand"
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"strconv"
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"testing"
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"time"
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humanize "github.com/dustin/go-humanize"
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)
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// Prepare benchmark backend
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func prepareBenchmarkBackend(instanceType string) (ObjectLayer, []string, error) {
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var nDisks int
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switch instanceType {
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// Total number of disks for FS backend is set to 1.
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case FSTestStr:
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nDisks = 1
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// Total number of disks for FS backend is set to 16.
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case XLTestStr:
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nDisks = 16
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default:
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nDisks = 1
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}
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// get `nDisks` random disks.
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disks, err := getRandomDisks(nDisks)
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if err != nil {
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return nil, nil, err
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}
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endpoints, err := parseStorageEndpoints(disks)
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if err != nil {
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return nil, nil, err
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}
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// initialize object layer.
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obj, _, err := initObjectLayer(endpoints)
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if err != nil {
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return nil, nil, err
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}
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return obj, disks, nil
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}
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// Benchmark utility functions for ObjectLayer.PutObject().
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// Creates Object layer setup ( MakeBucket ) and then runs the PutObject benchmark.
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func runPutObjectBenchmark(b *testing.B, obj ObjectLayer, objSize int) {
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var err error
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// obtains random bucket name.
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bucket := getRandomBucketName()
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// create bucket.
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err = obj.MakeBucket(bucket)
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if err != nil {
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b.Fatal(err)
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}
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// get text data generated for number of bytes equal to object size.
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textData := generateBytesData(objSize)
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// generate md5sum for the generated data.
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// md5sum of the data to written is required as input for PutObject.
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metadata := make(map[string]string)
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metadata["md5Sum"] = getMD5Hash(textData)
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sha256sum := ""
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// benchmark utility which helps obtain number of allocations and bytes allocated per ops.
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b.ReportAllocs()
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// the actual benchmark for PutObject starts here. Reset the benchmark timer.
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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// insert the object.
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objInfo, err := obj.PutObject(bucket, "object"+strconv.Itoa(i), int64(len(textData)), bytes.NewBuffer(textData), metadata, sha256sum)
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if err != nil {
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b.Fatal(err)
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}
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if objInfo.MD5Sum != metadata["md5Sum"] {
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b.Fatalf("Write no: %d: Md5Sum mismatch during object write into the bucket: Expected %s, got %s", i+1, objInfo.MD5Sum, metadata["md5Sum"])
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}
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}
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// Benchmark ends here. Stop timer.
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b.StopTimer()
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}
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// Benchmark utility functions for ObjectLayer.PutObjectPart().
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// Creates Object layer setup ( MakeBucket ) and then runs the PutObjectPart benchmark.
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func runPutObjectPartBenchmark(b *testing.B, obj ObjectLayer, partSize int) {
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var err error
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// obtains random bucket name.
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bucket := getRandomBucketName()
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object := getRandomObjectName()
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// create bucket.
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err = obj.MakeBucket(bucket)
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if err != nil {
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b.Fatal(err)
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}
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objSize := 128 * humanize.MiByte
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// PutObjectPart returns md5Sum of the object inserted.
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// md5Sum variable is assigned with that value.
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var md5Sum, uploadID string
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// get text data generated for number of bytes equal to object size.
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textData := generateBytesData(objSize)
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// generate md5sum for the generated data.
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// md5sum of the data to written is required as input for NewMultipartUpload.
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metadata := make(map[string]string)
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metadata["md5Sum"] = getMD5Hash(textData)
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sha256sum := ""
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uploadID, err = obj.NewMultipartUpload(bucket, object, metadata)
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if err != nil {
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b.Fatal(err)
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}
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var textPartData []byte
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// benchmark utility which helps obtain number of allocations and bytes allocated per ops.
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b.ReportAllocs()
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// the actual benchmark for PutObjectPart starts here. Reset the benchmark timer.
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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// insert the object.
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totalPartsNR := int(math.Ceil(float64(objSize) / float64(partSize)))
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for j := 0; j < totalPartsNR; j++ {
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if j < totalPartsNR-1 {
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textPartData = textData[j*partSize : (j+1)*partSize-1]
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} else {
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textPartData = textData[j*partSize:]
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}
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metadata := make(map[string]string)
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metadata["md5Sum"] = getMD5Hash([]byte(textPartData))
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md5Sum, err = obj.PutObjectPart(bucket, object, uploadID, j, int64(len(textPartData)), bytes.NewBuffer(textPartData), metadata["md5Sum"], sha256sum)
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if err != nil {
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b.Fatal(err)
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}
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if md5Sum != metadata["md5Sum"] {
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b.Fatalf("Write no: %d: Md5Sum mismatch during object write into the bucket: Expected %s, got %s", i+1, md5Sum, metadata["md5Sum"])
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}
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}
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}
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// Benchmark ends here. Stop timer.
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b.StopTimer()
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}
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// creates XL/FS backend setup, obtains the object layer and calls the runPutObjectPartBenchmark function.
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func benchmarkPutObjectPart(b *testing.B, instanceType string, objSize int) {
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rootPath, err := newTestConfig("us-east-1")
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if err != nil {
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b.Fatalf("Unable to initialize config. %s", err)
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}
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defer removeAll(rootPath)
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// create a temp XL/FS backend.
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objLayer, disks, err := prepareBenchmarkBackend(instanceType)
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if err != nil {
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b.Fatalf("Failed obtaining Temp Backend: <ERROR> %s", err)
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}
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// cleaning up the backend by removing all the directories and files created on function return.
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defer removeRoots(disks)
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// uses *testing.B and the object Layer to run the benchmark.
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runPutObjectPartBenchmark(b, objLayer, objSize)
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}
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// creates XL/FS backend setup, obtains the object layer and calls the runPutObjectBenchmark function.
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func benchmarkPutObject(b *testing.B, instanceType string, objSize int) {
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rootPath, err := newTestConfig("us-east-1")
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if err != nil {
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b.Fatalf("Unable to initialize config. %s", err)
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}
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defer removeAll(rootPath)
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// create a temp XL/FS backend.
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objLayer, disks, err := prepareBenchmarkBackend(instanceType)
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if err != nil {
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b.Fatalf("Failed obtaining Temp Backend: <ERROR> %s", err)
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}
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// cleaning up the backend by removing all the directories and files created on function return.
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defer removeRoots(disks)
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// uses *testing.B and the object Layer to run the benchmark.
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runPutObjectBenchmark(b, objLayer, objSize)
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}
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// creates XL/FS backend setup, obtains the object layer and runs parallel benchmark for put object.
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func benchmarkPutObjectParallel(b *testing.B, instanceType string, objSize int) {
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rootPath, err := newTestConfig("us-east-1")
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if err != nil {
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b.Fatalf("Unable to initialize config. %s", err)
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}
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defer removeAll(rootPath)
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// create a temp XL/FS backend.
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objLayer, disks, err := prepareBenchmarkBackend(instanceType)
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if err != nil {
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b.Fatalf("Failed obtaining Temp Backend: <ERROR> %s", err)
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}
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// cleaning up the backend by removing all the directories and files created on function return.
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defer removeRoots(disks)
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// uses *testing.B and the object Layer to run the benchmark.
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runPutObjectBenchmarkParallel(b, objLayer, objSize)
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}
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// Benchmark utility functions for ObjectLayer.GetObject().
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// Creates Object layer setup ( MakeBucket, PutObject) and then runs the benchmark.
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func runGetObjectBenchmark(b *testing.B, obj ObjectLayer, objSize int) {
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rootPath, err := newTestConfig("us-east-1")
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if err != nil {
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b.Fatalf("Unable to initialize config. %s", err)
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}
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defer removeAll(rootPath)
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// obtains random bucket name.
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bucket := getRandomBucketName()
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// create bucket.
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err = obj.MakeBucket(bucket)
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if err != nil {
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b.Fatal(err)
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}
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sha256sum := ""
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for i := 0; i < 10; i++ {
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// get text data generated for number of bytes equal to object size.
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textData := generateBytesData(objSize)
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// generate md5sum for the generated data.
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// md5sum of the data to written is required as input for PutObject.
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// PutObject is the functions which writes the data onto the FS/XL backend.
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metadata := make(map[string]string)
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metadata["md5Sum"] = getMD5Hash(textData)
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// insert the object.
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var objInfo ObjectInfo
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objInfo, err = obj.PutObject(bucket, "object"+strconv.Itoa(i), int64(len(textData)), bytes.NewBuffer(textData), metadata, sha256sum)
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if err != nil {
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b.Fatal(err)
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}
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if objInfo.MD5Sum != metadata["md5Sum"] {
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b.Fatalf("Write no: %d: Md5Sum mismatch during object write into the bucket: Expected %s, got %s", i+1, objInfo.MD5Sum, metadata["md5Sum"])
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}
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}
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// benchmark utility which helps obtain number of allocations and bytes allocated per ops.
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b.ReportAllocs()
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// the actual benchmark for GetObject starts here. Reset the benchmark timer.
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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var buffer = new(bytes.Buffer)
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err = obj.GetObject(bucket, "object"+strconv.Itoa(i%10), 0, int64(objSize), buffer)
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if err != nil {
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b.Error(err)
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}
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}
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// Benchmark ends here. Stop timer.
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b.StopTimer()
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}
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// randomly picks a character and returns its equivalent byte array.
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func getRandomByte() []byte {
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const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
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// seeding the random number generator.
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rand.Seed(time.Now().UTC().UnixNano())
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var b byte
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// pick a character randomly.
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b = letterBytes[rand.Intn(len(letterBytes))]
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return []byte{b}
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}
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// picks a random byte and repeats it to size bytes.
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func generateBytesData(size int) []byte {
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// repeat the random character chosen size
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return bytes.Repeat(getRandomByte(), size)
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}
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// creates XL/FS backend setup, obtains the object layer and calls the runGetObjectBenchmark function.
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func benchmarkGetObject(b *testing.B, instanceType string, objSize int) {
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rootPath, err := newTestConfig("us-east-1")
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if err != nil {
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b.Fatalf("Unable to initialize config. %s", err)
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}
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defer removeAll(rootPath)
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// create a temp XL/FS backend.
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objLayer, disks, err := prepareBenchmarkBackend(instanceType)
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if err != nil {
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b.Fatalf("Failed obtaining Temp Backend: <ERROR> %s", err)
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}
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// cleaning up the backend by removing all the directories and files created.
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defer removeRoots(disks)
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// uses *testing.B and the object Layer to run the benchmark.
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runGetObjectBenchmark(b, objLayer, objSize)
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}
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// creates XL/FS backend setup, obtains the object layer and runs parallel benchmark for ObjectLayer.GetObject() .
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func benchmarkGetObjectParallel(b *testing.B, instanceType string, objSize int) {
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rootPath, err := newTestConfig("us-east-1")
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if err != nil {
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b.Fatalf("Unable to initialize config. %s", err)
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}
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defer removeAll(rootPath)
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// create a temp XL/FS backend.
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objLayer, disks, err := prepareBenchmarkBackend(instanceType)
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if err != nil {
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b.Fatalf("Failed obtaining Temp Backend: <ERROR> %s", err)
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}
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// cleaning up the backend by removing all the directories and files created.
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defer removeRoots(disks)
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// uses *testing.B and the object Layer to run the benchmark.
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runGetObjectBenchmarkParallel(b, objLayer, objSize)
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}
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// Parallel benchmark utility functions for ObjectLayer.PutObject().
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// Creates Object layer setup ( MakeBucket ) and then runs the PutObject benchmark.
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func runPutObjectBenchmarkParallel(b *testing.B, obj ObjectLayer, objSize int) {
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rootPath, err := newTestConfig("us-east-1")
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if err != nil {
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b.Fatalf("Unable to initialize config. %s", err)
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}
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defer removeAll(rootPath)
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// obtains random bucket name.
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bucket := getRandomBucketName()
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// create bucket.
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err = obj.MakeBucket(bucket)
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if err != nil {
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b.Fatal(err)
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}
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// get text data generated for number of bytes equal to object size.
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textData := generateBytesData(objSize)
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// generate md5sum for the generated data.
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// md5sum of the data to written is required as input for PutObject.
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metadata := make(map[string]string)
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metadata["md5Sum"] = getMD5Hash([]byte(textData))
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sha256sum := ""
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// benchmark utility which helps obtain number of allocations and bytes allocated per ops.
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b.ReportAllocs()
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// the actual benchmark for PutObject starts here. Reset the benchmark timer.
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b.ResetTimer()
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b.RunParallel(func(pb *testing.PB) {
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i := 0
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for pb.Next() {
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// insert the object.
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objInfo, err := obj.PutObject(bucket, "object"+strconv.Itoa(i), int64(len(textData)), bytes.NewBuffer(textData), metadata, sha256sum)
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if err != nil {
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b.Fatal(err)
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}
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if objInfo.MD5Sum != metadata["md5Sum"] {
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b.Fatalf("Write no: Md5Sum mismatch during object write into the bucket: Expected %s, got %s", objInfo.MD5Sum, metadata["md5Sum"])
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}
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i++
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}
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})
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// Benchmark ends here. Stop timer.
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b.StopTimer()
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}
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// Parallel benchmark utility functions for ObjectLayer.GetObject().
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// Creates Object layer setup ( MakeBucket, PutObject) and then runs the benchmark.
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func runGetObjectBenchmarkParallel(b *testing.B, obj ObjectLayer, objSize int) {
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rootPath, err := newTestConfig("us-east-1")
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if err != nil {
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b.Fatalf("Unable to initialize config. %s", err)
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}
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defer removeAll(rootPath)
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// obtains random bucket name.
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bucket := getRandomBucketName()
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// create bucket.
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err = obj.MakeBucket(bucket)
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if err != nil {
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b.Fatal(err)
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}
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for i := 0; i < 10; i++ {
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// get text data generated for number of bytes equal to object size.
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textData := generateBytesData(objSize)
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// generate md5sum for the generated data.
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// md5sum of the data to written is required as input for PutObject.
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// PutObject is the functions which writes the data onto the FS/XL backend.
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metadata := make(map[string]string)
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metadata["md5Sum"] = getMD5Hash([]byte(textData))
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sha256sum := ""
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// insert the object.
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var objInfo ObjectInfo
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objInfo, err = obj.PutObject(bucket, "object"+strconv.Itoa(i), int64(len(textData)), bytes.NewBuffer(textData), metadata, sha256sum)
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if err != nil {
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b.Fatal(err)
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}
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if objInfo.MD5Sum != metadata["md5Sum"] {
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b.Fatalf("Write no: %d: Md5Sum mismatch during object write into the bucket: Expected %s, got %s", i+1, objInfo.MD5Sum, metadata["md5Sum"])
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}
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}
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// benchmark utility which helps obtain number of allocations and bytes allocated per ops.
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b.ReportAllocs()
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// the actual benchmark for GetObject starts here. Reset the benchmark timer.
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b.ResetTimer()
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b.RunParallel(func(pb *testing.PB) {
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i := 0
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for pb.Next() {
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err = obj.GetObject(bucket, "object"+strconv.Itoa(i), 0, int64(objSize), ioutil.Discard)
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if err != nil {
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b.Error(err)
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}
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i++
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if i == 10 {
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i = 0
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}
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}
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})
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// Benchmark ends here. Stop timer.
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b.StopTimer()
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}
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