̸
ڹ Ʈ
- ̻
- ǻ
- 2024-03-15
- 2024-05-22
- PDF
- ũ
- 31MB
-
- YES24
-
PC
PHONE
TABLET
α ġ
α ġ ȳ
åҰ
ǰ scouter Ȱ , ý غ پ ! ƹ ϰ پ ڰ ִ α ְ ִ. ڳ ý ڴ Ʈÿ ȸ ʴ. ָ ľϰ мϿ Ȳ ϰ ϴ ǰ å غϿ.
ڼҰ
ZSDS Ͽ NAVER, NHN ȸ翡 ߴ. ڹ š, ڹ Ʃ ̾߱⡻ ټ IT Ͽ. ְ Ʈ ȸ ŷ Ŭ忡 Ѱ ̻ ϰ ִ.
PART I ڹٿ CHAPTER 1 ڹ ýۿ ִ 3 ? 4 ý 4 ý 6 ܰ ؿ 7 ý 8 Ȳ ؼ ٽ 캸 9 10ϸ 12PART II scouter 캸CHAPTER 2 scouter ġ 15APM 15 ̳Ʈ̽(dynatrace) 16 ۴̳ͽ(AppDynamics) 17 (New Relic) 17 νŸ(instana) 17 (whatap) 17 ƽ(interMax) 18 Ʈ(pinpoint) 19scouter 20scouter ȭ 21scouter α ġϱ 23ϸ 27CHAPTER 3 scouter ϱ - Ʈ 28scouter ٿεϱ 28scouter ϱ 29 ϱ 33scouter ȣƮ Ʈ ϱ 35scouter ڹ Ʈ ϱ - 36ڹ ClassFileTransformer 38scouter ڹ Ʈ ϱ - ϱ 39ϸ 44CHAPTER 4 scouter Ŭ̾Ʈ ϴ ɵ 45scouter Ŭ̾Ʈ 45scouter Ŭ̾Ʈ ϱ 46 Objects â 캸 46 ߰/ϱ 48 ʴ ϱ 48scouter 49 File 49 Management 50 Collector 51 Host 52 Object 53 Window 54 ߰ϱ 55ʼ 57 Tomcat/Java ʼ 58 ʼ 58 Ȯι 59ȭ ȯϱ 60 63ϸ 67CHAPTER 5 scouter XLog 68XLog - 68XLog 71XLog - ϸ 75 ϸ ߰ϱ 78XLog - 81XLog - ҷ 86ϸ 88CHAPTER 6 scouter /Ʈ ÷ 89 ÷ 89 Ʈ ÷ 90 ũ ÷ 91Ʈ ÷ 91 httpservice ÷ 92 capture ÷ 94ϸ 97CHAPTER 7 scouter 98 ũ 뷮 ϰ ϱ 98˸ ʼ 99ø ʼ 101 ϸ ʼ 103ϸ 104PART III ϱCHAPTER 8 (忡) ϴ 107WAS ϱ? 107忡 ϴ ǥ ? 108 ̽ 109 109 Ÿ̼ 110 ̺ 110 ٸ Ұ 111 111 ϴ 10 + 1 113 ʴ 116 116ϸ 118CHAPTER 9 ܸ ߶ 119 ܸ ڸ? 119 ܸ 淡 120 ܸ غϱ 125 Ctrl+Break Kill -Quit 131jstack ϴ ִ 134 ܸ Ϸ 135ϸ 136chapter 10 ߶ ܸ мϱ 137ThreadLogic غϱ 137ThreadLogic ϱ - Ȯ 139ThreadLogic ϱ - ִ Ȯ 142ThreadLogic ϱ - ȭ Ȯ 145scouter Ѵٸ ȭ Ȱ 148scouter Ѵٸ Stack Frequency Analyzer Ȱ 150ϸ 153CHAPTER 11 Case Study 154 ܸ Ȯ ? 154ý ? 156ý ܸ ȿ̴ 157ܰ ؼ ܸ ɱ? 159 ϳ. CPU 뷮 ڱ ö Ϳ 160 Ȳ 160 161 . Ǯ ؿ 162 Ȳ 163 163 . ý 165 Ȳ 165 165ϸ 167PART IV ϱCHAPTER 12 ִ 171ڹ 171 pc(program counter) 172 JVM 172 172 172 Ÿ Ǯ 173 Ƽ 173OutOfMemoryError ұ? 175OutOfMemoryError ǹ 176 178 179 179 밢 179OutOfMemoryError ̿ ? 180ϸ 181CHAPTER 13 ܸ ߶ 183 ܸ ڸ? 183jmap ܸ ϱ 186jmap -dump ɼ ϱ 190ڵ Ű 193ϸ 195CHAPTER 14 ߶ ܸ мϱ 196 ܸ мϴ 196MAT غϱ 197 α ã 198MAT ٸ ɵ 201 Details 204 Biggest Objects by Retained Size 204 Actions 204 Reports 206 Step by Step 206ü 207 PC мϴ 210scouter Ͽ ϱ 211 GC 211 211ϸ 212CHAPTER 15 Case Study 213 ܸ Ȯ ? 213 ý ٰ ܸ ϴ ƴϴ 214 ø̼ ִ 215 ϳ. ڲٸ ý OOME ѿ 216 Ȳ 216 216 . ý 218 Ȳ 218 219ϸ 221PART V ڹ м CHAPTER 16 ڹ м Arthas 225Arthas? 225Ƽ ϱ 226Ƽ ֿ ɾ 228 dashboard 229 thread 230 jvm 232 sc/sm 234 monitor 235 stack/trace 236 tt 237ϸ 239PART VI ϱCHAPTER 17 243 ɾ ˾ƾ ϴ 243 Ѵ 캸 24460,000иʿ ý мϱ 245 uptime 246 dmesg | tail 247 vmstat 1 247 mpstat -P ALL 1 248 pidstat 1 248 iostat -xz 1 248 free -m 249 sar -n DEV 1 250 sar -n TCP,ETCP 1 250 top 251ϸ 251CHAPTER 18 CPU ϱ 252ý CPU 뷮 ٷ ϴ 252߰ ý ġϱ 253mpstat ⺻ 255 mpstat ɼǵ 257 CPU ؾ ϴ ɱ? 262ϸ 263CHAPTER 19 Ȳ ϱ - vmstat sar 264κ н ġǾ ִ vmstat 264vmstat ⺻ 265 vmstat ɼǵ 266 vmstat ɼǿ 267vmstat ִ sar 273sar ⺻ 275 sar ɾ ɼǵ 276ϸ 278CHAPTER 20 μ Ȳ ϱ 279μ ϱ 279μ ˾ƺ 280 ˰ ִ ps 283μ CPU 뷮 ϱ 286μ Ȳ Ȯϴ pmap 288ϸ 291CHAPTER 21 I/O Ȳ ϱ 292I/O ϴ ? 292ũ 뷮 ˾ƺ 293iostat ˾ƺ 298μ Ȯұ? 302ϸ 306CHAPTER 22 Ʈũ Ȳ ϱ 307Ʈũ Ȳ ϴ ? 307Ʈũ ϴ ȯ غǾ Ѵ 308sar Ʈũ 뷮 Ȯϱ 311lsof Ʈũ Ȯϱ 317 Ʈũ ɾ 320ϸ 321CHAPTER 23 ǽð ý ϱ 322κ ġǾ ִ top 322top Ű 325top ɼǵ 329 ڰ htop 331ϸ 334CHAPTER 24 scouter ҽ ϱ 335scouter ȣƮ Ʈ Ȯ 335scouter ϴ ҽ 336ǽð μ Ȯϱ 337 Ȯϱ 338ϸ 339PART VII CHAPTER 25 ̷ Ѵ 343 û (ְ ) 343 ϱ 345 ϰ ϱ 348scouter ľ 353 354 ĵ 354 355 356 357 ũƮ 357ϸ 358APPENDIX ηAPPENDIX A Fatal error log м 361ġ α 362 362 367 μ 372 ý 378ġ ϸ ұ? 379APPENDIX B ڹ νƮ 381JVM νƮ ü ? 381ãƺ 387