• Improve performance by reducing application space and time
• Use the latest evolution of your JVM
• Measure that your change actually fixes the bottleneck
• Sizing the generations is the most important tuning option
• More abstraction gives better performance ... eventually
• Evolve performance by adopting industry best practices
• Use priority queueing to prevent delays
• Flattening objects can reduce garbage
• Profilers often disagree with each other
• Go for the easy performance targets first
• The out of the box configuration is rarely optimal for performance
• Slow garbage collection inspires the invention of multi-core processors
• Measure service times to highlight slow servers
• The IllegalAccessException
• The ClassNotFoundException
• Where the application spends its time
• Database connection pools can fix connection leaks
• Use collections correctly
• Synchronize to avoid race conditions
• Faster startup from the disk sweet spot
• Multi-threading code
• Guard your log messages
• Understanding Escape Analysis
• Concurrency vs. Parallelism
• Avoiding remote calls
• Synchronizing methods can slow them down
• A profiler profiling
• Locks protecting single fields can often be replaced by making the field volatile
• Avoiding locks
• Understanding reference types
• Avoiding long pauses by the garbage collector
• Just-in-time compilation
• Detecting deadlocks
• Caching remote objects
• Dumping heap on an out of memory error
• Do not allocate memory during the main game loop
• Choosing a different garbage collector
• Eliminating common expressions
• Reducing the size of collections
• Adding RAM to the computer
• Reducing the number of String objects
• Increasing the size of the heap
• Monitoring the server
• Using state-of-the-art bottleneck identification tools
• Clustering to reduce overheads
• Reducing unnecessary communication overheads
• Reading in parallel
• Lazy initialization
• Speeding up the hardware

All cartoons are by our cartoonist, "profiler". "profiler" can contacted be via our contact page

Other cartoons by profiler:

• Unix commands can have unforeseen side effects

And cartoon listing sites that recognize profiler's cartoon genius:

• AA Cartoon Art