Building a Fast, Memory-Efficient Hash Table in Java (by borrowing the best ideas)
One day, I ran into SwissTable—the kind of design that makes you squint, grin, and immediately regret every naive linear-probing table you’ve ever shi...
Summary
The article explains what Java profilers are, how they work within the JVM, and distinguishes between sampling and instrumentation profilers.
It lists and describes major Java profiling tools including YourKit, JProfiler, VisualVM, NetBeans Profiler, IntelliJ Profiler, Async Profiler, Arthas, and built-in JDK tools like jstat, jmap, jcmd, jhat, and hprof. The guide details practical profiler use cases for performance optimization, memory management, and testing.
