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
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
|
package bench
import (
"os"
"os/exec"
"testing"
"github.com/containerd/continuity"
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/reexec"
)
func init() {
reexec.Init()
}
func benchmarkInitialCopy(b *testing.B, fn func(string, string) error, size int) {
baseDir := os.Getenv("BENCH_BASE_DIR")
verify := os.Getenv("BENCH_VERIFY") == "1"
for i := 0; i < b.N; i++ {
b.StopTimer()
tmpdir, err := createTestDir(size)
if err != nil {
b.Error(err)
}
destdir, err := os.MkdirTemp(baseDir, "destdir")
if err != nil {
os.RemoveAll(tmpdir)
b.Error(err)
}
var m *continuity.Manifest
if verify {
ctx, err := continuity.NewContext(tmpdir)
if err != nil {
b.Error(err)
}
m, err = continuity.BuildManifest(ctx)
if err != nil {
b.Error(err)
}
}
b.StartTimer()
err = fn(tmpdir, destdir)
if err != nil {
b.Error(err)
}
b.StopTimer()
if verify {
ctx2, err := continuity.NewContext(destdir)
if err != nil {
b.Fatal(err)
}
err = continuity.VerifyManifest(ctx2, m)
if err != nil {
b.Error(err)
}
}
os.RemoveAll(tmpdir)
os.RemoveAll(destdir)
}
}
func benchmarkIncrementalCopy(b *testing.B, fn func(string, string) error, size int) {
b.StopTimer()
baseDir := os.Getenv("BENCH_BASE_DIR")
verify := os.Getenv("BENCH_VERIFY") == "1"
tmpdir, err := createTestDir(size)
if err != nil {
b.Error(err)
}
destdir, err := os.MkdirTemp(baseDir, "destdir")
if err != nil {
os.RemoveAll(tmpdir)
b.Error(err)
}
err = fn(tmpdir, destdir)
if err != nil {
b.Error(err)
}
defer os.RemoveAll(tmpdir)
defer os.RemoveAll(destdir)
for i := 0; i < b.N; i++ {
if err := mutate(tmpdir, 2); err != nil {
b.Error(err)
}
var m *continuity.Manifest
if verify {
ctx, err := continuity.NewContext(tmpdir)
if err != nil {
b.Error(err)
}
m, err = continuity.BuildManifest(ctx)
if err != nil {
b.Error(err)
}
}
b.StartTimer()
err = fn(tmpdir, destdir)
if err != nil {
b.Error(err)
}
b.StopTimer()
if verify {
ctx2, err := continuity.NewContext(destdir)
if err != nil {
b.Fatal(err)
}
err = continuity.VerifyManifest(ctx2, m)
if err != nil {
b.Error(err)
}
}
}
}
func copyWithTar(src, dest string) error {
return archive.NewDefaultArchiver().CopyWithTar(src, dest)
}
func cpa(src, dest string) error {
cmd := exec.Command("cp", "-a", src+"/.", dest)
return cmd.Run()
}
func rsync(src, dest string) error {
cmd := exec.Command("rsync", "-a", "--del", src+"/.", dest)
return cmd.Run()
}
func gnutar(src, dest string) error {
tar := exec.Command("tar", "-cf", "-", "-C", src, ".")
unpack := exec.Command("tar", "xf", "-", "-C", dest)
stdout, err := tar.StdoutPipe()
if err != nil {
return err
}
unpack.Stdin = stdout
go tar.Run()
return unpack.Run()
}
func BenchmarkCopyWithTar10(b *testing.B) {
benchmarkInitialCopy(b, copyWithTar, 10)
}
func BenchmarkCopyWithTar50(b *testing.B) {
benchmarkInitialCopy(b, copyWithTar, 50)
}
func BenchmarkCopyWithTar200(b *testing.B) {
benchmarkInitialCopy(b, copyWithTar, 200)
}
func BenchmarkCopyWithTar1000(b *testing.B) {
benchmarkInitialCopy(b, copyWithTar, 1000)
}
// func chrootCopyWithTar(src, dest string) error {
// return chrootarchive.NewArchiver(nil).CopyWithTar(src, dest)
// }
// func BenchmarkChrootCopyWithTar10(b *testing.B) {
// benchmarkInitialCopy(b, chrootCopyWithTar, 10)
// }
//
// func BenchmarkChrootCopyWithTar50(b *testing.B) {
// benchmarkInitialCopy(b, chrootCopyWithTar, 50)
// }
//
// func BenchmarkChrootCopyWithTar200(b *testing.B) {
// benchmarkInitialCopy(b, chrootCopyWithTar, 200)
// }
//
// func BenchmarkChrootCopyWithTar1000(b *testing.B) {
// benchmarkInitialCopy(b, chrootCopyWithTar, 1000)
// }
func BenchmarkCPA10(b *testing.B) {
benchmarkInitialCopy(b, cpa, 10)
}
func BenchmarkCPA50(b *testing.B) {
benchmarkInitialCopy(b, cpa, 50)
}
func BenchmarkCPA200(b *testing.B) {
benchmarkInitialCopy(b, cpa, 200)
}
func BenchmarkCPA1000(b *testing.B) {
benchmarkInitialCopy(b, cpa, 1000)
}
func BenchmarkDiffCopy10(b *testing.B) {
benchmarkInitialCopy(b, diffCopyReg, 10)
}
func BenchmarkDiffCopy50(b *testing.B) {
benchmarkInitialCopy(b, diffCopyReg, 50)
}
func BenchmarkDiffCopy200(b *testing.B) {
benchmarkInitialCopy(b, diffCopyReg, 200)
}
func BenchmarkDiffCopy1000(b *testing.B) {
benchmarkInitialCopy(b, diffCopyReg, 1000)
}
func BenchmarkDiffCopyProto10(b *testing.B) {
benchmarkInitialCopy(b, diffCopyProto, 10)
}
func BenchmarkDiffCopyProto50(b *testing.B) {
benchmarkInitialCopy(b, diffCopyProto, 50)
}
func BenchmarkDiffCopyProto200(b *testing.B) {
benchmarkInitialCopy(b, diffCopyProto, 200)
}
func BenchmarkDiffCopyProto1000(b *testing.B) {
benchmarkInitialCopy(b, diffCopyProto, 1000)
}
func BenchmarkIncrementalDiffCopy10(b *testing.B) {
benchmarkIncrementalCopy(b, diffCopyReg, 10)
}
func BenchmarkIncrementalDiffCopy50(b *testing.B) {
benchmarkIncrementalCopy(b, diffCopyReg, 50)
}
func BenchmarkIncrementalDiffCopy200(b *testing.B) {
benchmarkIncrementalCopy(b, diffCopyReg, 200)
}
func BenchmarkIncrementalDiffCopy1000(b *testing.B) {
benchmarkIncrementalCopy(b, diffCopyReg, 1000)
}
func BenchmarkIncrementalDiffCopy5000(b *testing.B) {
benchmarkIncrementalCopy(b, diffCopyReg, 5000)
}
func BenchmarkIncrementalDiffCopy10000(b *testing.B) {
benchmarkIncrementalCopy(b, diffCopyReg, 10000)
}
func BenchmarkIncrementalCopyWithTar10(b *testing.B) {
benchmarkIncrementalCopy(b, copyWithTar, 10)
}
func BenchmarkIncrementalCopyWithTar50(b *testing.B) {
benchmarkIncrementalCopy(b, copyWithTar, 50)
}
func BenchmarkIncrementalCopyWithTar200(b *testing.B) {
benchmarkIncrementalCopy(b, copyWithTar, 200)
}
func BenchmarkIncrementalCopyWithTar1000(b *testing.B) {
benchmarkIncrementalCopy(b, copyWithTar, 1000)
}
func BenchmarkIncrementalRsync10(b *testing.B) {
benchmarkIncrementalCopy(b, rsync, 10)
}
func BenchmarkIncrementalRsync50(b *testing.B) {
benchmarkIncrementalCopy(b, rsync, 50)
}
func BenchmarkIncrementalRsync200(b *testing.B) {
benchmarkIncrementalCopy(b, rsync, 200)
}
func BenchmarkIncrementalRsync1000(b *testing.B) {
benchmarkIncrementalCopy(b, rsync, 1000)
}
func BenchmarkIncrementalRsync5000(b *testing.B) {
benchmarkIncrementalCopy(b, rsync, 5000)
}
func BenchmarkIncrementalRsync10000(b *testing.B) {
benchmarkIncrementalCopy(b, rsync, 10000)
}
func BenchmarkRsync10(b *testing.B) {
benchmarkInitialCopy(b, rsync, 10)
}
func BenchmarkRsync50(b *testing.B) {
benchmarkInitialCopy(b, rsync, 50)
}
func BenchmarkRsync200(b *testing.B) {
benchmarkInitialCopy(b, rsync, 200)
}
func BenchmarkRsync1000(b *testing.B) {
benchmarkInitialCopy(b, rsync, 1000)
}
func BenchmarkGnuTar10(b *testing.B) {
benchmarkInitialCopy(b, gnutar, 10)
}
func BenchmarkGnuTar50(b *testing.B) {
benchmarkInitialCopy(b, gnutar, 50)
}
func BenchmarkGnuTar200(b *testing.B) {
benchmarkInitialCopy(b, gnutar, 200)
}
func BenchmarkGnuTar1000(b *testing.B) {
benchmarkInitialCopy(b, gnutar, 1000)
}
|
