Java Developer Series - Quest Software

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The Root Set • Set of foundational object references within your application – static reference fields within class definitions You Can Expect More. – Local reference variables within the method frames of each thread stack • The contents of the JVM’s root set changes dynamically – As threads enter and exit methods, local reference variables come into and go out of scope (enter and leave the root set)
Dynamic Nature of the Root Set - 1 • Consider a single thread of execution... 1 public 2 class MyApp 3 { 4 static private MyApp myApp = null; 5 6 static public 7 void 8 main( String[] args ) 9 { 10 myApp = new MyApp( ); 11 myApp.method1( ); 12 myApp.method2( ); 13 } You Can Expect More. Root Set: MyApp myApp String[] args
Page 1 and 2: Java Developer Series - Part 1 - Bu
Page 3 and 4: About Quest Software You Can Expect
Page 5 and 6: Performance Challenges Facing the J
Page 7: Java Memory Management You Can Expe
Page 11 and 12: Dynamic Nature of the Root Set - 3
Page 13 and 14: Garbage Collection and Object Reach
Page 15 and 16: Garbage Collection and Object Reach
Page 17 and 18: What is a “Memory Leak” in Java
Page 19 and 20: Reference Management You Can Expect
Page 21 and 22: Design for Reference Management •
Page 23 and 24: Heap Analysis - List of Objects & R
Page 25 and 26: Avoid Object Cycling • Performanc
Page 27 and 28: Avoiding Performance "Gotchas" in D
Page 29 and 30: Excessive EJB-Related SQL Execution
Page 31 and 32: Strategies for Guaranteeing Perform
Page 33 and 34: Test Throughout The Cycle You Can E
Page 35 and 36: Dealing With Outsourcing You Can Ex
Page 37 and 38: What Is JProbe ® Suite? You Can Ex
Page 39 and 40: Summary • Performance begins in D

Java Developer Series - Quest Software

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