Java Memory Management A Comprehensive Guide to Garbage Collection and JVM Tuning /

Improve application performance by tuning, monitoring and profiling both the garbage collector and JVM Key Features Understand the different parts of Java memory and the various garbage collectors so you can select your preferred one Explore how memory management can help to effectively improve perf...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autores principales: Putten, Maaike van (Autor), Kennedy, Seán (Autor)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Birmingham : Packt Publishing, Limited, 2022.
Edición:1st edition.
Temas:
Java (Computer program language)
Memory management (Computer science)
Java (Langage de programmation)
Gestion mémoire (Informatique)
Acceso en línea:Texto completo (Requiere registro previo con correo institucional)
Tabla de Contenidos:
  • Cover
  • Title Page
  • Copyright and Credit
  • Dedicated
  • Contributors
  • Table of Contents
  • Preface
  • Chapter 1: Different Parts of the Java Memory
  • Technical requirements
  • Understanding computer memory and Java memory
  • Computer memory
  • Accessing the main memory
  • Overview of the main memory
  • Java memory and the JVM
  • The JVM
  • Memory management and the JVM
  • Memory management before Java
  • Understanding the JVM's components for memory management
  • Runtime data area
  • Creating variables in Java
  • Primitives and reference types
  • Storing variables on the stack
  • Current frame and current method
  • Elements of the frame
  • Values on the stack
  • Primitives and wrapper classes
  • Creating objects in Java
  • Storing objects on the heap
  • Exploring the Metaspace
  • Summary
  • Chapter 2: Primitives and Objects in Java Memory
  • Technical requirements
  • Understanding primitives on the stack and heap
  • Storing objects on the heap
  • References
  • Objects
  • Understanding the differences between references and objects
  • Managing object references and security
  • Inspecting the escaping references issue
  • Summary
  • Chapter 3: Zooming in on the Heap Space
  • Exploring the different generations on the heap
  • Garbage collection roots
  • Learning how the spaces are used
  • Understanding the minor garbage collection algorithm
  • Demonstrating the minor garbage collection algorithm in action
  • Summary
  • Chapter 4: Freeing Memory with Garbage Collection
  • Technical requirements
  • Being eligible for GC
  • Marking by the garbage collector
  • Stop-the-world
  • Reference counting and islands of isolation
  • Sweeping by the garbage collector
  • Normal sweeping
  • Sweeping with compacting
  • Sweeping with copying
  • Exploring GC implementations
  • Generational GC
  • Serial GC
  • Parallel GC
  • CMS GC
  • G1 GC
  • Z GC
  • Monitoring GC
  • Summary
  • Chapter 5: Zooming in on the Metaspace
  • JVM usage of the Metaspace
  • Class loading
  • Releasing Metaspace memory
  • Metaspace runs out of memory
  • Metaspace size exceeds a JVM-set threshold
  • Garbage collection of the Metaspace
  • Summary
  • Chapter 6: Configuring and Monitoring the Memory Management of the JVM
  • Technical requirements
  • The basics of JVM tuning for memory management
  • Obtaining relevant metrics for memory management
  • Well-functioning memory
  • Normal latency
  • Level of throughput
  • Profiling Java applications
  • Profiling with jstat and jmap
  • Profiling with VisualVM
  • Tuning the configurations of the JVM
  • Tuning the heap size and thread stack size
  • Logging low memory
  • Tuning the Metaspace
  • Garbage collection tuning
  • Chapter 7: Avoiding Memory Leaks
  • Technical requirements
  • Understanding memory leaks
  • Spotting memory leaks
  • Heap memory footprint
  • Garbage collector activity
  • Heap dump
  • Avoiding memory leaks
  • Common pitfalls and how to avoid them
  • Summary
  • Index
  • Other Books You May Enjoy

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