4915433bd2
- Implement a new xl.json 2.0.0 format to support, this moves the entire marshaling logic to POSIX layer, top layer always consumes a common FileInfo construct which simplifies the metadata reads. - Implement list object versions - Migrate to siphash from crchash for new deployments for object placements. Fixes #2111
373 lines
13 KiB
Go
373 lines
13 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2016, 2017 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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"context"
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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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humanize "github.com/dustin/go-humanize"
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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.MakeBucketWithLocation(context.Background(), bucket, BucketOptions{})
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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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md5hex := getMD5Hash(textData)
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sha256hex := ""
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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(context.Background(), bucket, "object"+strconv.Itoa(i),
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mustGetPutObjReader(b, bytes.NewBuffer(textData), int64(len(textData)), md5hex, sha256hex), ObjectOptions{})
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if err != nil {
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b.Fatal(err)
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}
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if objInfo.ETag != md5hex {
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b.Fatalf("Write no: %d: Md5Sum mismatch during object write into the bucket: Expected %s, got %s", i+1, objInfo.ETag, md5hex)
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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.MakeBucketWithLocation(context.Background(), bucket, BucketOptions{})
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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 etag of the object inserted.
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// etag variable is assigned with that value.
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var etag, 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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uploadID, err = obj.NewMultipartUpload(context.Background(), bucket, object, ObjectOptions{})
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if err != nil {
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b.Fatal(err)
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}
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sha256hex := ""
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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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md5hex := getMD5Hash([]byte(textPartData))
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var partInfo PartInfo
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partInfo, err = obj.PutObjectPart(context.Background(), bucket, object, uploadID, j,
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mustGetPutObjReader(b, bytes.NewBuffer(textPartData), int64(len(textPartData)), md5hex, sha256hex), ObjectOptions{})
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if err != nil {
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b.Fatal(err)
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}
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if partInfo.ETag != md5hex {
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b.Fatalf("Write no: %d: Md5Sum mismatch during object write into the bucket: Expected %s, got %s", i+1, etag, md5hex)
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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 Erasure/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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// create a temp Erasure/FS backend.
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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objLayer, disks, err := prepareTestBackend(ctx, 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 Erasure/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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// create a temp Erasure/FS backend.
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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objLayer, disks, err := prepareTestBackend(ctx, 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 Erasure/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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// create a temp Erasure/FS backend.
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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objLayer, disks, err := prepareTestBackend(ctx, 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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// obtains random bucket name.
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bucket := getRandomBucketName()
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// create bucket.
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err := obj.MakeBucketWithLocation(context.Background(), bucket, BucketOptions{})
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if err != nil {
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b.Fatal(err)
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}
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textData := generateBytesData(objSize)
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// generate etag for the generated data.
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// etag 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/Erasure backend.
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// get text data generated for number of bytes equal to object size.
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md5hex := getMD5Hash(textData)
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sha256hex := ""
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for i := 0; i < 10; i++ {
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// insert the object.
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var objInfo ObjectInfo
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objInfo, err = obj.PutObject(context.Background(), bucket, "object"+strconv.Itoa(i),
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mustGetPutObjReader(b, bytes.NewBuffer(textData), int64(len(textData)), md5hex, sha256hex), ObjectOptions{})
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if err != nil {
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b.Fatal(err)
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}
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if objInfo.ETag != md5hex {
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b.Fatalf("Write no: %d: Md5Sum mismatch during object write into the bucket: Expected %s, got %s", i+1, objInfo.ETag, md5hex)
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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(context.Background(), bucket, "object"+strconv.Itoa(i%10), 0, int64(objSize), buffer, "", ObjectOptions{})
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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(UTCNow().UnixNano())
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// pick a character randomly.
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return []byte{letterBytes[rand.Intn(len(letterBytes))]}
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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 Erasure/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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// create a temp Erasure/FS backend.
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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objLayer, disks, err := prepareTestBackend(ctx, 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 Erasure/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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// create a temp Erasure/FS backend.
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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objLayer, disks, err := prepareTestBackend(ctx, 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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// obtains random bucket name.
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bucket := getRandomBucketName()
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// create bucket.
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err := obj.MakeBucketWithLocation(context.Background(), bucket, BucketOptions{})
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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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md5hex := getMD5Hash([]byte(textData))
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sha256hex := ""
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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(context.Background(), bucket, "object"+strconv.Itoa(i),
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mustGetPutObjReader(b, bytes.NewBuffer(textData), int64(len(textData)), md5hex, sha256hex), ObjectOptions{})
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if err != nil {
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b.Fatal(err)
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}
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if objInfo.ETag != md5hex {
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b.Fatalf("Write no: Md5Sum mismatch during object write into the bucket: Expected %s, got %s", objInfo.ETag, md5hex)
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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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// obtains random bucket name.
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bucket := getRandomBucketName()
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// create bucket.
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err := obj.MakeBucketWithLocation(context.Background(), bucket, BucketOptions{})
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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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// PutObject is the functions which writes the data onto the FS/Erasure backend.
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md5hex := getMD5Hash([]byte(textData))
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sha256hex := ""
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for i := 0; i < 10; i++ {
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// insert the object.
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var objInfo ObjectInfo
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objInfo, err = obj.PutObject(context.Background(), bucket, "object"+strconv.Itoa(i),
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mustGetPutObjReader(b, bytes.NewBuffer(textData), int64(len(textData)), md5hex, sha256hex), ObjectOptions{})
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if err != nil {
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b.Fatal(err)
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}
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if objInfo.ETag != md5hex {
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b.Fatalf("Write no: %d: Md5Sum mismatch during object write into the bucket: Expected %s, got %s", i+1, objInfo.ETag, md5hex)
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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(context.Background(), bucket, "object"+strconv.Itoa(i), 0, int64(objSize), ioutil.Discard, "", ObjectOptions{})
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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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