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Java performance tuning
Tutorial:
Java performance tuning
Please select a chapter from the "Contents" menu at the very bottom of the page.
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Java performance tuning
Chapter 1. Introduction
1.1 Why Is It Slow?
1.2 The Tuning Game
1.3 System Limitations and What to Tune
1.4 A Tuning Strategy
1.5 Perceived Performance
1.6 Starting to Tune
1.7 What to Measure
1.8 Don't Tune What You Don't Need to Tune
1.9 Performance Checklist
Chapter 2. Profiling Tools
2.1 Measurements and Timings
2.2 Garbage Collection
2.3 Method Calls
2.4 Object-Creation Profiling
2.5 Monitoring Gross Memory Usage
2.6 Client/Server Communications
2.7 Performance Checklist
Chapter 3. Underlying JDK Improvements
3.1 Garbage Collection
3.2 Tuning the Heap
3.3 Gross Tuning
3.4 Fine-Tuning the Heap
3.5 Sharing Memory
3.6 Replacing JDK Classes
3.7 Faster VMs
3.8 Better Optimizing Compilers
3.9 Sun's Compiler and Runtime Optimizations
3.10 Compile to Native Machine Code
3.11 Native Method Calls
3.12 Uncompressed ZIP/JAR Files
3.13 Performance Checklist
Chapter 4. Object Creation
4.1 Object-Creation Statistics
4.2 Object Reuse
4.3 Reference Objects
4.4 Avoiding Garbage Collection
4.5 Initialization
4.6 Early and Late Initialization
4.7 Performance Checklist
Chapter 5. Strings
5.1 The Performance Effects of Strings
5.2 Compile-Time Versus Runtime Resolution of Strings
5.3 Conversions to Strings
5.4 Strings Versus char Arrays
5.5 String Comparisons and Searches
5.6 Sorting Internationalized Strings
5.7 Performance Checklist
Chapter 6. Exceptions, Assertions, Casts, and Variables
6.1 Exceptions
6.2 Assertions
6.3 Casts
6.4 Variables
6.5 Method Parameters
6.6 Performance Checklist
Chapter 7. Loops, Switches, and Recursion
7.1 Loops
7.2 Tuning a Loop
7.3 Exception-Terminated Loops
7.4 Switches
7.5 Recursion
7.6 Recursion and Stacks
7.7 Performance Checklist
Chapter 8. I/O, Logging, and Console Output
8.1 Replacing System.out
8.2 Logging
8.3 From Raw I/O to Smokin' I/O
8.4 Serialization
8.5 Clustering Objects and Counting I/O Operations
8.6 Compression
8.7 NIO
8.8 Performance Checklist
Chapter 9. Sorting
9.1 Avoiding Unnecessary Sorting Overhead
9.2 An Efficient Sorting Framework
9.3 Better Than O(nlogn) Sorting
9.4 Performance Checklist
Chapter 10. Threading
10.1 User-Interface Thread and Other Threads
10.2 Race Conditions
10.3 Deadlocks
10.4 Synchronization Overhead
10.5 Timing Multithreaded Tests
10.6 Atomic Access and Assignment
10.7 Thread Pools
10.8 Load Balancing
10.9 Threaded Problem-Solving Strategies
10.10 Performance Checklist
Chapter 11. Appropriate Data Structures and Algorithms
11.1 Collections
11.2 Java 2 Collections
11.3 Hashtables and HashMaps
11.4 Optimizing Queries
11.5 Comparing LinkedLists and ArrayLists
11.6 The RandomAccess Interface
11.7 Cached Access
11.8 Caching Examples
11.9 Finding the Index for Partially Matched Strings
11.10 Search Trees
11.11 Performance Checklist
Chapter 12. Distributed Computing
12.1 Tools
12.2 Message Reduction
12.3 Comparing Communications Layers
12.4 Caching
12.5 Batching I
12.6 Application Partitioning
12.7 Batching II
12.8 Low-Level Communication Optimizations
12.9 Distributed Garbage Collection
12.10 Databases
12.11 Web Services
12.12 Performance Checklist
Chapter 13. When to Optimize
13.1 When Not to Optimize
13.2 Tuning Class Libraries and Beans
13.3 Analysis
13.4 Design and Architecture
13.5 Tuning After Deployment
13.6 More Factors That Affect Performance
13.7 Performance Planning
13.8 Performance Checklist
Chapter 14. Underlying Operating System and Network Improvements
14.1 Hard Disks
14.2 CPU
14.3 RAM
14.4 Network I/O
14.5 Performance Checklist
Chapter 15. J2EE Performance Tuning
15.1 Performance Planning
15.2 J2EE Monitoring and Profiling Tools
15.3 Measurements: What, Where, and How
15.4 Load Testing
15.5 User Perception
15.6 Clustering and Load Balancing
15.7 Tuning JMS
15.8 Performance Checklist
Chapter 16. Tuning JDBC
16.1 Measuring JDBC Performance
16.2 Tuning JDBC
16.3 Performance Checklist
Chapter 17. Tuning Servlets and JSPs
17.1 Don't Use SingleThreadModel
17.2 Efficient Page Creation and Output
17.3 Body Tags
17.4 Cache Tags
17.5 HttpSession
17.6 Compression
17.7 More Performance Tips
17.8 Case Study: Ace's Hardware SPECmine Tool
17.9 Performance Checklist
Chapter 18. Tuning EJBs
18.1 Primary Design Guidelines
18.2 Performance-Optimizing Design Patterns
18.3 The Application Server
18.4 More Suggestions for Tuning EJBs
18.5 Case Study: The Pet Store
18.6 Case Study: Elite.com
18.7 Performance Checklist
Chapter 19. Further Resources
19.1 The Primary Resource
19.2 Books
19.3 Magazines
19.4 URLs
19.5 Profilers
19.6 Optimizers
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