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
|
package clients
import (
"bytes"
"context"
"fmt"
"os"
"path/filepath"
"testing"
"time"
"github.com/mimecast/dtail/internal/config"
"github.com/mimecast/dtail/internal/io/dlog"
"github.com/mimecast/dtail/internal/source"
"sync"
)
func setupBenchmarkData(b *testing.B, lines int) string {
b.Helper()
tmpDir := b.TempDir()
testFile := filepath.Join(tmpDir, "benchmark_data.log")
f, err := os.Create(testFile)
if err != nil {
b.Fatalf("Failed to create test file: %v", err)
}
defer f.Close()
// Create test data
for i := 0; i < lines; i++ {
line := fmt.Sprintf("INFO|1002-071143|1|test.go:%d|8|%d|7|0.21|471h0m21s|MAPREDUCE:STATS|currentConnections=%d|lifetimeConnections=%d|pattern=test-%d|data=%s\n",
i%100, i%50, i%10, i, i%5, "some-test-data-that-makes-the-line-longer")
f.WriteString(line)
}
return testFile
}
func BenchmarkDGrepTurboEnabled(b *testing.B) {
benchmarkDGrep(b, false)
}
func BenchmarkDGrepTurboDisabled(b *testing.B) {
benchmarkDGrep(b, true)
}
func benchmarkDGrep(b *testing.B, disableTurbo bool) {
// Setup config
config.Server = &config.ServerConfig{
TurboBoostDisable: disableTurbo,
MaxConcurrentCats: 10,
MaxConcurrentTails: 50,
MaxLineLength: 1024 * 1024,
}
config.Common = &config.CommonConfig{
Logger: "none",
LogLevel: "error",
}
config.Client = &config.ClientConfig{
TermColorsEnable: false,
}
// Initialize logging
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
wg := &sync.WaitGroup{}
wg.Add(1)
dlog.Start(ctx, wg, source.Client)
// Create test data
testFile := setupBenchmarkData(b, 100000) // 100k lines
b.ResetTimer()
for i := 0; i < b.N; i++ {
// Create grep client
args := config.Args{
ServersStr: "serverless",
QueryStr: "",
What: testFile,
RegexStr: "pattern=test-1",
Serverless: true,
Plain: true,
}
client, err := NewGrepClient(args)
if err != nil {
b.Fatalf("Failed to create grep client: %v", err)
}
// Capture output
oldStdout := os.Stdout
r, w, _ := os.Pipe()
os.Stdout = w
// Run grep
statusCh := make(chan int, 1)
go func() {
status := client.Start(ctx, nil) // nil for statsCh
statusCh <- status
}()
// Wait for completion or timeout
select {
case status := <-statusCh:
if status != 0 {
b.Errorf("Grep failed with status: %d", status)
}
case <-time.After(30 * time.Second):
b.Error("Grep timed out")
}
// Restore stdout
w.Close()
os.Stdout = oldStdout
// Read captured output
var buf bytes.Buffer
buf.ReadFrom(r)
}
}
// Benchmark with different file sizes
func BenchmarkDGrepTurboSmallFile(b *testing.B) {
benchmarkDGrepWithSize(b, false, 1000) // 1k lines
}
func BenchmarkDGrepTurboDisabledSmallFile(b *testing.B) {
benchmarkDGrepWithSize(b, true, 1000) // 1k lines
}
func BenchmarkDGrepTurboMediumFile(b *testing.B) {
benchmarkDGrepWithSize(b, false, 50000) // 50k lines
}
func BenchmarkDGrepTurboDisabledMediumFile(b *testing.B) {
benchmarkDGrepWithSize(b, true, 50000) // 50k lines
}
func BenchmarkDGrepTurboLargeFile(b *testing.B) {
benchmarkDGrepWithSize(b, false, 500000) // 500k lines
}
func BenchmarkDGrepTurboDisabledLargeFile(b *testing.B) {
benchmarkDGrepWithSize(b, true, 500000) // 500k lines
}
func benchmarkDGrepWithSize(b *testing.B, disableTurbo bool, lines int) {
// Setup config
config.Server = &config.ServerConfig{
TurboBoostDisable: disableTurbo,
MaxConcurrentCats: 10,
MaxConcurrentTails: 50,
MaxLineLength: 1024 * 1024,
}
config.Common = &config.CommonConfig{
Logger: "none",
LogLevel: "error",
}
config.Client = &config.ClientConfig{
TermColorsEnable: false,
}
// Initialize logging
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
wg := &sync.WaitGroup{}
wg.Add(1)
dlog.Start(ctx, wg, source.Client)
// Create test data
testFile := setupBenchmarkData(b, lines)
b.ResetTimer()
for i := 0; i < b.N; i++ {
// Create grep client
args := config.Args{
ServersStr: "serverless",
QueryStr: "",
What: testFile,
RegexStr: "pattern=test-1",
Serverless: true,
Plain: true,
}
client, err := NewGrepClient(args)
if err != nil {
b.Fatalf("Failed to create grep client: %v", err)
}
// Capture output
oldStdout := os.Stdout
r, w, _ := os.Pipe()
os.Stdout = w
// Run grep
statusCh := make(chan int, 1)
go func() {
status := client.Start(ctx, nil) // nil for statsCh
statusCh <- status
}()
// Wait for completion or timeout
select {
case status := <-statusCh:
if status != 0 {
b.Errorf("Grep failed with status: %d", status)
}
case <-time.After(30 * time.Second):
b.Error("Grep timed out")
}
// Restore stdout
w.Close()
os.Stdout = oldStdout
// Read captured output
var buf bytes.Buffer
buf.ReadFrom(r)
}
// Report custom metrics
b.ReportMetric(float64(lines), "lines/op")
b.ReportMetric(float64(lines)/b.Elapsed().Seconds(), "lines/sec")
}
|
