JVM/Java profiling and tuning

[Java][JVM][JIT] JDK 26 and SIMD operations SIMD - single instruction, multiple data If you’re already familiar with SIMD, feel free to skip to the next chapter.

[Java][JVM][Tuning][Profiling][G1][JIT] Why is Arrays.fill 265 times slower on G1GC?

[Java][Profiling] Async-profiler + OpenTelemetry spans Spans in tracing The word span doesn’t come from the profiling world, it comes from the distributed tracing one.

[Java][Profiling] Java/JVM native memory leaks In this article, I would like to tackle the native memory leaks problem.

[Java][Profiling] Async-profiler - manual by use cases This blog post contains examples of async-profiler usages that I have found helpful in my job.

[Java][Profiling][Memory leak] Finding heap memory leaks with Async-profiler Async-profiler 2.9 was released.

[Java][Profiling][Hazelcast] Performance tuning of Hazelcast SQL engine This blog post was originally posted on Hazelcast’s website.

[Java][Profiling][JVM] Tracing a Single Operation in Distributed Systems This blog post was originally posted on Hazelcast’s website.

[Java][Profiling][JVM] Everybody lies, profilers too There is an excellent presentation on YouTube called Profilers are lying hobbitses by Nitsan Wakart.

[Java][Profiling][JVM] JVM thread state changes by example This article is a continuation of this one, where we have studied following code of JVM sources: File io_util.c: #define BUF_SIZE 8192 void writeBytes(JNIEnv *env, jobject this, jbyteArray bytes,