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Best Practices For Performance and Scalability With J2EE Chris Adkin 16 th  February 2009 Last update 5 th  April 2009
Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction ,[object Object],[object Object]
Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Feedback ,[object Object]
The Performance and Design Trade Off ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
“ Picking The Low Hanging Fruit” ,[object Object],[object Object]
Requirements Capture
#1 Its Never Too Early To Think About Performance ,[object Object]
#2 Allow For Scalability In The Requirements ,[object Object],[object Object],[object Object],[object Object],[object Object]
#3 Specify Resource Utilisation In The None Functional Requirements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
#4 Specify The Target Environment For Performance Acceptance Testing Up Front ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Architecture
What Is Architecture ? ,[object Object],[object Object],[object Object]
What Is Design ? ,[object Object],[object Object],[object Object],[object Object]
#1 Avoid Distributed Object Architectures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
#1 Avoid Distributed Object Architectures ,[object Object],[object Object],[object Object],[object Object],[object Object]
#1 Avoid Distributed Object Architectures ,[object Object]
#2 Be Aware Of The Performance Penalties That Tiers Incur ,[object Object],[object Object],[object Object],[object Object],[object Object]
#3 Choose Clustering Solutions With “Prefer local resources” Optimisation ,[object Object],[object Object]
#4 Iterative Development And Architecture Do Not Always Mix ,[object Object],[object Object],[object Object],[object Object]
#5 Avoid Tightly Coupled Components ,[object Object],[object Object],[object Object],[object Object],[object Object]
#6 Minimise Data Access Latency In The Architecture  ,[object Object],[object Object],[object Object],[object Object]
#6 Minimise Data Access Latency In The Architecture  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
#6 Minimise Data Access Latency In The Architecture  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
#7 Include Caching In The Architecture ,[object Object],[object Object],[object Object],[object Object]
#7 Include Caching In The Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Design Patterns
What Is A Design Pattern ? ,[object Object],[object Object]
Why Use Design Patterns ? ,[object Object],[object Object],[object Object],[object Object]
#1 Session Façade Pattern ,[object Object],[object Object],[object Object]
#2 Service Locator Pattern ,[object Object],[object Object],[object Object]
#3 Data Transfer Object Pattern ,[object Object],[object Object],[object Object]
#4 Proxy Service Pattern ,[object Object],[object Object],[object Object]
#5 The Business Delegate Pattern ,[object Object],[object Object],[object Object]
Design
#1 Do Not Abuse The Database ,[object Object],[object Object],[object Object],[object Object],[object Object]
#2 Respect The “ Holy Trinity Of Database Performance ” ,[object Object],[object Object],[object Object],[object Object],[object Object]
#2 Respect The “ Holy Trinity Of Database Performance ” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
#2 Respect The “ Holy Trinity Of Database Performance ” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
#2 Respect The “ Holy Trinity Of Database Performance ” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
#3 Eliminate Bottlenecks, Don’t Replicate Them ,[object Object],[object Object],[object Object]
#4 Make Logging Infrastructures Fine Grained ,[object Object],[object Object],[object Object],[object Object],[object Object]
#4 Make Logging Infrastructures Fine Grained ,[object Object],[object Object]
#5 Carry Out Processing Closest To The Resource That Requires It ,[object Object],[object Object],[object Object],[object Object]
#6 Avoid ‘Chatty’ Designs ,[object Object],[object Object],[object Object]
#7 Do Not Reinvent The Wheel ,[object Object],[object Object],[object Object]
#8 Be Pragmatic Before Designing For Database Independence ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
#9 Be Pragmatic Before Designing For Application Server Independence ,[object Object],[object Object],[object Object],[object Object],[object Object]
#10 Make Designs Cluster Friendly ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
#11 Seriously Consider JPA For Your ORM Requirements ,[object Object],[object Object],[object Object],[object Object],[object Object]
#11 Seriously Consider JPA For Your ORM Requirements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
#11 Seriously Consider JPA For Your ORM Requirements ,[object Object],[object Object],[object Object]
#12 Prefer JMS Over RMI For Mass Asynchronous Style Communication ,[object Object],[object Object],[object Object]
#13 Use The Most Appropriate XML Parsing API ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
#14 Use The Most Efficient Web Services Engine Available  ,[object Object],[object Object],[object Object],[object Object],[object Object]
#15 Prefer JAX-WS Over JAX-RPC  ,[object Object],[object Object]
#16 Use Coarse Grained Interfaces For Web Services  ,[object Object],[object Object],[object Object]
#17 Avoid Sparse SOAP Documents  ,[object Object],[object Object]
#18 Be Mindful Of The Performance Overheads Of WS-Security  ,[object Object],[object Object]
Implementation
#1 Leverage None Code Intrusive Application Server Performance Features ,[object Object],[object Object],[object Object],[object Object],[object Object]
#2 Take Advantage Of The Oracle Client Side Cache ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
#3 Always Use The Latest Version Of The Apache Xerces XML Parser  ,[object Object]
Useful Resources ,[object Object],[object Object],[object Object],[object Object],[object Object]
Useful Resources ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Useful Resources ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Useful Resources ,[object Object],[object Object],[object Object],[object Object]
Useful Resources ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Useful Resources ,[object Object],[object Object],[object Object],[object Object]

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J2EE Performance And Scalability Bp

  • 1. Best Practices For Performance and Scalability With J2EE Chris Adkin 16 th February 2009 Last update 5 th April 2009
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