1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
//go:build go1.13 && integration && perftest
// +build go1.13,integration,perftest
package main
import (
"flag"
"fmt"
"io"
"os"
"strconv"
"strings"
"testing"
"github.com/aws/aws-sdk-go/awstesting"
"github.com/aws/aws-sdk-go/awstesting/integration"
"github.com/aws/aws-sdk-go/internal/sdkio"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/aws/aws-sdk-go/service/s3/s3manager"
)
var benchConfig BenchmarkConfig
type BenchmarkConfig struct {
bucket string
tempdir string
clientConfig ClientConfig
sizes string
parts string
concurrency string
bufferSize string
uploadPartSize int64
}
func (b *BenchmarkConfig) SetupFlags(prefix string, flagSet *flag.FlagSet) {
flagSet.StringVar(&b.bucket, "bucket", "", "Bucket to use for benchmark")
flagSet.StringVar(&b.tempdir, "temp", os.TempDir(), "location to create temporary files")
flagSet.StringVar(&b.sizes, "size",
fmt.Sprintf("%d,%d",
5*sdkio.MebiByte,
1*sdkio.GibiByte), "file sizes to benchmark separated by comma")
flagSet.StringVar(&b.parts, "part",
fmt.Sprintf("%d,%d,%d",
s3manager.DefaultDownloadPartSize,
25*sdkio.MebiByte,
100*sdkio.MebiByte), "part sizes to benchmark separated by comma")
flagSet.StringVar(&b.concurrency, "concurrency",
fmt.Sprintf("%d,%d,%d",
s3manager.DefaultDownloadConcurrency,
2*s3manager.DefaultDownloadConcurrency,
100),
"part sizes to benchmark separated comma")
flagSet.StringVar(&b.bufferSize, "buffer", fmt.Sprintf("%d,%d", 0, 1*sdkio.MebiByte), "part sizes to benchmark separated comma")
flagSet.Int64Var(&b.uploadPartSize, "upload-part-size", 0, "upload part size, defaults to download part size if not specified")
b.clientConfig.SetupFlags(prefix, flagSet)
}
func (b *BenchmarkConfig) BufferSizes() []int {
ints, err := b.stringToInt(b.bufferSize)
if err != nil {
panic(fmt.Sprintf("failed to parse file sizes: %v", err))
}
return ints
}
func (b *BenchmarkConfig) FileSizes() []int64 {
ints, err := b.stringToInt64(b.sizes)
if err != nil {
panic(fmt.Sprintf("failed to parse file sizes: %v", err))
}
return ints
}
func (b *BenchmarkConfig) PartSizes() []int64 {
ints, err := b.stringToInt64(b.parts)
if err != nil {
panic(fmt.Sprintf("failed to parse part sizes: %v", err))
}
return ints
}
func (b *BenchmarkConfig) Concurrences() []int {
ints, err := b.stringToInt(b.concurrency)
if err != nil {
panic(fmt.Sprintf("failed to parse part sizes: %v", err))
}
return ints
}
func (b *BenchmarkConfig) stringToInt(s string) ([]int, error) {
int64s, err := b.stringToInt64(s)
if err != nil {
return nil, err
}
var ints []int
for i := range int64s {
ints = append(ints, int(int64s[i]))
}
return ints, nil
}
func (b *BenchmarkConfig) stringToInt64(s string) ([]int64, error) {
var sizes []int64
split := strings.Split(s, ",")
for _, size := range split {
size = strings.Trim(size, " ")
i, err := strconv.ParseInt(size, 10, 64)
if err != nil {
return nil, fmt.Errorf("invalid integer %s: %v", size, err)
}
sizes = append(sizes, i)
}
return sizes, nil
}
func BenchmarkDownload(b *testing.B) {
baseSdkConfig := SDKConfig{}
for _, fileSize := range benchConfig.FileSizes() {
b.Run(fmt.Sprintf("%s File", integration.SizeToName(int(fileSize))), func(b *testing.B) {
for _, partSize := range benchConfig.PartSizes() {
if partSize > fileSize {
continue
}
uploadPartSize := getUploadPartSize(fileSize, benchConfig.uploadPartSize, partSize)
b.Run(fmt.Sprintf("%s PartSize", integration.SizeToName(int(partSize))), func(b *testing.B) {
b.Logf("setting up s3 file size")
key, err := setupDownloadTest(benchConfig.bucket, fileSize, uploadPartSize)
if err != nil {
b.Fatalf("failed to setup download test: %v", err)
}
for _, concurrency := range benchConfig.Concurrences() {
b.Run(fmt.Sprintf("%d Concurrency", concurrency), func(b *testing.B) {
for _, bufferSize := range benchConfig.BufferSizes() {
var name string
if bufferSize == 0 {
name = "unbuffered"
} else {
name = fmt.Sprintf("%s buffer", integration.SizeToName(bufferSize))
}
b.Run(name, func(b *testing.B) {
sdkConfig := baseSdkConfig
sdkConfig.Concurrency = concurrency
sdkConfig.PartSize = partSize
if bufferSize > 0 {
sdkConfig.BufferProvider = s3manager.NewPooledBufferedWriterReadFromProvider(bufferSize)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
benchDownload(b, benchConfig.bucket, key, &awstesting.DiscardAt{}, sdkConfig, benchConfig.clientConfig)
}
})
}
})
}
b.Log("removing test file")
err = teardownDownloadTest(benchConfig.bucket, key)
if err != nil {
b.Fatalf("failed to cleanup test file: %v", err)
}
})
}
})
}
}
func benchDownload(b *testing.B, bucket, key string, body io.WriterAt, sdkConfig SDKConfig, clientConfig ClientConfig) {
downloader := newDownloader(clientConfig, sdkConfig)
_, err := downloader.Download(body, &s3.GetObjectInput{
Bucket: &bucket,
Key: &key,
})
if err != nil {
b.Fatalf("failed to download object, %v", err)
}
}
func TestMain(m *testing.M) {
benchConfig.SetupFlags("", flag.CommandLine)
flag.Parse()
os.Exit(m.Run())
}
|
