The IBM Monitoring and Diagnostic Tools - Garbage Collection and Memory Visualizer (GCMV) is a free tool designed to analyze memory usage and garbage collection (GC) activity. By parsing "verbose" garbage collection logs, GCMV provides graphical and tabulated views of Java and Node.js performance, making it easier to diagnose memory leaks and optimize application throughput.
Historically available through various channels, the primary method to obtain GCMV today is through the IBM Support Portal . Garbage Collection and Memory Visualizer - IBM ibm garbage collection and memory visualizer download