Dear JavaScript... - Alessandro Cinelli - Codemotion Amsterdam 2018
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주니어 개발자도 이해 할 수 있는 아름다운 JVM 세상
- 1. ఁ࿌ ੭෧ၴ ၦጄ ዾ ༘ ၰ௴ ྤఋဪ JVM ໞື 2014. 11 Darion Kim
- 2. ௴ ૐ? Darion Kim (ૺ) ಀ༺ඊቔൟ ૐ ༘໐ พ ၴᆼ ቛཅ(ቛጁၡ ཅ, God of Integration) hnki0104@me.com https://www.facebook.com/ groups/serverside (၌ၦྤ)
- 3. ၦ බ ක౷ Freshman ᆺఁఋ. (for YMS, JHJ)
- 4. ၦු JVM ఝጄ ྤ གྷ གྷఁ࿌ ੭෧ၴ ึ౹ၔ ૺଆხൢ …
- 5. ྾൝ఁఋ. ႗ఝ ࿌ഒ ࿈ૺዻ ხ ྨઔཀఁఋ.
- 6. ྤఋဪ JVM ໞື ၕ ൢ ย ა๗ਜ਼ ཀఁଆ?
- 7. ຫ౹ၔ JVMၕ ශ ೡધ ࿈ૺዾଆဠ?
- 8. JVM = Java Virtual Machine
- 9. ૯ ఋၗิሽ௴ ඳჰ ၿ ࿌ഒ ࿈ૺዻధ ೡૐဠ.
- 10. ႔௴ ࿌ ࿈ૺዾ ଆဠ?
- 11. ጮགྷ ይച૯ೱ (Program) ၔ ྤໞဠ?
- 12. ይച૯ೱၕ ཇጌዻඓ ይചໞ༺(Process)ਜ਼ ແໜఁఋ.
- 13. Ⴓధ ၴໞᎁ ໕ዻඓ? ಀ༺ሙ(Disk) ၰ௴ ይച૯ೱ ኒၩ (File)ၕ ཇጌዽఋ. ይച૯ೱ ኒၩၦ ඈක൘(Memory) ႕ ႁඓ ይചໞ༺ጷ ࿌ ይചໞ (CPU) ຫဧዽఋ.
- 14. ૯൜ၒച ૯ยଆ ဠ? Disk Program.exe Loading CPU Process Memory
- 15. Process௴ Disk, File, Memory, CPUဉ શഏ࿌ ၰဠ. ૺጄໞဠ.
- 16. JVM = Process ၦೡધ ਜ਼ႜዽఋඓ
- 17. JVM Process ᅧ ཇጌዾ༘ ၰઔဠ.
- 18. ၦ~ ఋ౹ ྤགྷඓ … ^^
- 19. java -cp ೡၦ๐൘ ඈၨሜ೭༺
- 20. Ⴓధ ၴໞᎁ ໕ዻඓ? ಀ༺ሙ ၰ௴ java ይച૯ೱ ඈၨ ሜ೭༺ ხႜዻ ཇጌዽఋ. -cp စၕ ࿌ ೡၦ๐൘ ხႜዻ ཇጌዽఋ. ೡၦ๐൘௴ ಀആቔ൘, *.jar, *.zip ኒ ၩ ႗ఝઠചၦఋ.
- 21. ૯൜ၒച ૯ยଆ Disk ဠ? java Loading CPU JVM Memory Main.class Main Library Library
- 22. JVM Process ൬ ဠ.
- 23. ୵ଆხ ྤఁೡધ ዻ གྷ௴ ึ౹ၔ ૺଆ ხൢ …
- 24. ၴ~ ૯ඓ Ⴓధ ཉ ၰ ౹࿌ਜ਼ ยଆဠ?
- 25. JVM ྦᄠ௴ ࿌ ಠၩ౹ၦ ข࿌ჲଆ ဠ?
- 26. ૯ ဨ໓ Creatorဉ Class ဉ Object, Instanceၡ ᅍ ၦ ྩྤ ጁఁఋ.
- 27. Ⴓధ ၴໞᎁ ໕ዻඓ? Creator = Ⴎම, ച ึ ၮఁఋ. Class(*.class)௴ Ⴎමਜ਼ ൢ౷ ຄఝၮఁ ఋ. Class௴ Objectጷ ఁఋ. = Instance ૯ၔ ຄఝ ແഎၕ ุ࿌பၒඓ ੮ ᅰਜ਼ ఁఋ.
- 28. ૯൜ၒച ૯ยଆ ဠ? Instance Class Object Creator
- 29. ၴ~ ఋགྷ Class, Object ૺጄໞဠ.
- 30. ၦ႞ ႜച ྤఋ ဪ JVM ໞືၒച ౹ ࿌ఁఋ. ^^
- 31. ྤఋဪ JVM ໞື ၕ ᆓື႕ၒച ૯ ฤఁఋ.
- 32. თဠዽ ઇၔ ༱ ૯൝ఁఋ.
- 33. ႜጸዽ ૺ༜ ༺ኳၦ พધ ཌྷၔ ึ౹ၔ ૺଆხൢ …
- 34. ྤఋဪ JVM ໞື Beautiful JVM World
- 35. ࿌ೡ! ྤඳઇ ࿖ ဠ.
- 36. ྤఇఁఋ. ༝ၔ લཅ౹ၦ ၰཀ ఁఋ.
- 37. JVM ໞື௴ ੜၴ ધ၉ ၡ ዾ(Role)ၕ ਜ਼ხધ ၰ௴ ੮ᅰਜ਼ ၰཀఁఋ.
- 38. ఋགྷ ዽ… ੮ᅰ௴ ੜၴ ધ၉ၡ ዾ(Role)ၦ ၰཀఁఋ.
- 39. “ᅖႮ”ചཡ ຫၕ ൢ౹ધ ጋఋඓ ຫ ఖ ൢ౹࿌ ዻઔ.
- 40. Ⴓధ ၴໞᎁ ໕ዻඓ? ຫၕ ൢ౹ඓ ൽ൘, චቛ, ኖ, ఋ൘ ၡ ႜጸዽ ዾၕ ႜၡዽఋ. ൽ൘ဉ චቛၦ ዻਜ਼ ྤఁඓ ຫၦ ྤఁఋ. ኖ ఋ൘ਜ਼ ੭ਜ਼ ྤఁඓ ຫၦ ྤ ఁఋ.
- 41. ૯൜ၒച ໕ዻඓ? ຫ ૃම
- 42. ဘ: ဨ൘௴ OOP ຫ(੮ᅰ)ၕ ຫఖხ ྨ ແໜጁఁఋ. ྦ૯ཊఁଆ?
- 43. ఋགྷ ༝ၔ લཅၕ ੭ጁఁఋ.
- 44. ሜ೭༺ചధ(Classloader) Beautiful JVM World Classloader
- 45. Ⴓధ ၴໞᎁ ໕ዻඓ? ሜ೭༺ചధ(Classloader) ዾ : JVM ၮૐ ሜ೭༺౹ၕ ചಉ ዽఋ. JVM ໞືၡ ༘බၿ ዾ
- 46. ૯൜ၒച ໕ዻඓ? Beautiful JVM World Class Classloader Class Class Class Class
- 47. ചಉౘ ሜ೭༺௴ ੮ ᅰጷ ౙ༘ ၰཀఁఋ.
- 48. Ⴓధ ၴໞᎁ ໕ዻඓ? Car a = new Car(); Car : ሜ೭༺ a : ੮ᅰ
- 49. ૯൜ၒച ໕ዻඓ? Beautiful JVM World Class Classloader Car Class Class Class a
- 50. ੮ᅰ ੭ ແໜ ዻඓ
- 51. Ⴓధ ၴໞᎁ ໕ዻඓ? Car a = new Car(); Car b = new Car(); House c = new House(); Food d = new Food();
- 52. ૯൜ၒച ໕ዻඓ Beautiful JVM World Class Classloader Car Class Food House a b c d
- 53. ੮ᅰਜ਼ ඳዽఝച ൣ ၦ ແໜඓ ࿌ ౙଆဠ?
- 54. ૯൜ၒച ໕ዻඓ Beautiful JVM World Class Classloader Car Object Class Object Food House a b c d Object Object Object Object Object Object Object Object Object Object Object Object Object Object Object
- 55. JVM ໞືၡ ੮ᅰ ෘ ਜ਼ ႙႙ ைྤჵఁ ఋ.
- 56. ૯ఋਜ਼ …
- 57. ၦഄ ఋਜ਼ …
- 58. OOME(OutOf MemoryError)
- 59. ዻხൢ ႜື႕ၨ ື ጼ௴ OOMEਜ਼ ෧ ແዻხ ྨཀఁఋ.
- 60. ဒ ૯ଆဠ?
- 61. ವ ዻၡ ༝ၔ લ ཅၕ ੭ጁఁఋ.
- 62. Garbage Collector Beautiful JVM World Class Classloader Car Object Class Object Food House a b c d Object Object Object Object Object Object Object Object Object Object finalize Object Object Object finalize finalize finalize finalize finalize finalize finalize
- 63. Ⴓధ ၴໞᎁ ໕ዻඓ? Garbage Collection : ੮ᅰਜ਼ ధ ၦື ᅒ Ⴎਜ਼ ࿖ఋધ ንถ(finalize)ౘ ઠဨ Garbage Collector ၡጄ ጭᆖఁఋ. ყ ੮ᅰ JVM ໞື ඔ གྷሥఁ ఋ.
- 64. ૯൜ၒച ໕ዻඓ? Beautiful JVM World Class Classloader Object Class Food House d Object Object Object Object Object Object Object Object Object Car finalized
- 65. WAS(Web Application Server) = JVM ၦೣ ແੜၔ ጄพဠ?
- 66. ൬ཀఁఋ. WASJ2EE ༺ኳၕ ა ༘ዽ JVMၮఁఋ.
- 67. ૯൜ၒച ໕ዻඓ? Beautiful JVM World AServlet Classloader FoodServlet House.jsp Car.jsp a b c d BServlet
- 68. JVM ໞືၔ ጃື ྤఖૺൢ ዾଆဠ?
- 69. ႗ఝ ྤఇఁఋ.
- 70. Ⴎමဉ Ⴎමၡ ᆵ ૐึ౹ၔ ุዽ ሜ೭ ༺ ൢ౹༘ၰཀఁఋ.
- 71. ළ ක്ધ ൢ౷ ሜ ೭༺ਜ਼ ᆊધၡ ุ ዽ ሜ೭༺ၮఁఋ.
- 72. ุዽ ሜ೭༺ၡ ၡጄ ແໜ ౘ ੮ᅰ౹ၦ JVM ໞືၕ གྷ ࿌ხഀ ጁఁఋ.
- 73. ࿌ ጄછጄ ዻ ဠ?
- 74. ይചኒၩൟ(Profiling) ၕ ጄጁఁఋ.
- 75. ይചኒၩൟၕ ዻඓ ሜ೭༺ചధဉ ᆵጄႦ ጁఁఋ.
- 76. Ⴓధ ၴໞᎁ ໕ዻඓ? ဨ൘௴ ሜ೭༺ചధၡ ዾၕ ྩધ ၰཀఁఋ. ሜ೭༺ചధ Hook Class ႕ဧጁఁఋ. ይചኒၩൟ ఝື ሜ೭༺ਜ਼ ചಉౙ ಕ ྤᅘ࿌ ᆬႜ ചჯၕ ཉ࿌ཀఁఋ. ይചኒၩ ᆬႜၕ ༘ጌጁఁఋ. (ex:ඈ ༘ጌགྷ ᆬ ႜ) ይചኒၩൟ ఝື ሜ೭༺௴ ၴཅ ච ཉ࿌ၔ ചჯၕ ၨხዻხ ජዻધ ዀဉ ၩዻ ጺጁఁఋ.
- 77. Hooking Class
- 78. ૯൜ၒച ໕ዻඓ? Beautiful JVM World AServlet Classloader FoodServlet House.jsp Crazy.jsp maddest-a maddest-b c d BServlet hook Profiler
- 79. ุዽ ሜ೭༺ ແ ໜౘ ੮ᅰ௴ ጭጹ, ႖ႉ, ൠൠพఋ ඳ໙ཀఁఋ.
- 80. ၦ ྤఋဪ JVM ໞື Memory Leak, Infinite Loop ၡ ྭໞዅ ጸຮགྷሥఁఋ.
- 81. છ ྤఋဪ JVM ໞື OutOfMemoryError, Process of Hanging ੪ၔ Ⴖ ၕ ਜ਼Ⴆఋ ვఁఋ.
- 82. JVM Ⴖ…
- 83. ૯೭ ይചኒၩൟၒച ဴ ၨ ሜ೭༺ ෟ ੮ᅰ ᅗྤ ႞ጄ ዻ௴ ઇၮఁఋ.
- 84. ᅗྤ གྷ ႞ዻೡ~!
- 85. ይചኒၩൟၦ ࿌ ါઇ ੪ၒགྷ?
- 86. APM (Application Performance Management) ളၕ ૐ൯ዻ ຫဧዻ གྷඓ ఎጁఁఋ.
- 87. ඳഭച ዻཇඓ JDK ዅ ጀౘ JConsoleၦ VisualVM ၕ ຫဧዻགྷඓ ఁఋ.
- 88. Ⴓధ ችጷౘ ይചኒၩൟၕ ဴዻགྷඓ Java Instrumentation ૺฅၕ ຫဧ ዻ ૐጢዻགྷඓ ఁఋ.
- 89. ྤఋဪ JVMໞືၔ ဨ൘ਜ਼ གྷ ᆓૐጄ ௴ ໞືၮఁఋ.
- 90. ၦື ၌ၦྤཀఁఋ.
