Jvm-hotspot Questions

Learn effective methods for writing and running microbenchmarks in Java with code examples and expert tips on best practices.

Explore the practical differences between java server and java client options including performance startup time and use cases.

Explore why your custom BigInteger implementation outperforms JDKs version including JIT optimizations and performance insights.

Learn why the JavaLaunchHelper warning occurs on macOS with Java 7u40 and how to resolve it effectively.

Explore the differences between JVM HotSpot and OpenJDK. Learn how HotSpot functions within the Java ecosystem.

Learn how to troubleshoot the Unable to open socket file error when using jmap with the F option for heap dumps.

Learn about ReservedCodeCacheSize and InitialCodeCacheSize JVM options their importance and how to configure them for optimal performance.

Learn about the UseCompressedOops JVM flag in HotSpot its impact on performance and memory usage for 64bit Java applications.

Explore the differences between JVisualVM and Java Mission Control including features functionalities and their roles in JDK.

Explore the implications of using XXPermSize with XXMaxPermSize in Java to optimize memory management and prevent OutOfMemoryError issues.

Explore the key advantages and disadvantages of JRockit JVM versus HotSpot JVM both adhering to the Standard JVM Specification.

Learn how the JVM categorizes methods for JIT compilation the criteria for hot methods and relevant Java flags for optimization.

Learn how to access JVM startup parameters like Xmx within a running Java process. Ensure correct configurations easily across multiple servers.

Explore the meanings behind Made Not Entrant and Made Zombie in Javas PrintCompilation output to enhance your understanding of JVM behavior.

Learn how to configure XXMaxDirectMemorySize in Java to optimize memory management. Stepbystep guide with troubleshooting tips included.

Learn how to use SSE with Java for performance optimization including boundscheck elimination and advanced coding techniques.

Learn how to optimize Java VM performance using Xbatch and Xcomp options for efficient compilation and execution.

Explore a comprehensive list of JVM options for Java applications including flags and settings for performance tuning and debugging.

Learn how to handle and improve useless test instructions effectively with expert tips and guidance.

Learn why Java 8 allocates a minimum of 1G for Metaspace even with MaxMetaspaceSize settings. Understand the implications of Metaspace management.