IBM provides tooling and documentation to assist in the understanding, monitoring, and problem diagnosis of applications and deployments running IBM Runtime Environments for Java.
The IBM Monitoring and Diagnostic Tools for Java - Garbage Collection and Memory Visualizer (GCMV) is a tool which allows you to visualize and analyse the memory usage and garbage collection activity of your Java application.
IBM Monitoring and Diagnostic Tools for Java - Garbage Collection and Memory Visualizer (GCMV) provides analysis and views of your applications verbose gc output. GCMV displays the data in both graphical and tabulated form. It provides a clear summary and interprets the information to produce a series of tuning recommendations.
Use GCMV to help you:
GCMV uses a powerful statistical analysis engine which provides guidance on improvements in these areas:
GCMV provides a flexible user interface, making it possible to carry out further analysis of the data and to "drill down" into the causes of trends or data points of interest. The GCMV graphical interface provides the following capabilities:
For example Figure 1 shows GCMV running in the IBM Support Assistant Workbench.
GCMV is installed within the IBM Support Assistant Workbench.
GCMV supports the following file types:
GCMV is installed within the IBM Support Assistant Workbench. To install GCMV follow the steps in the technote How to Install and Run Tools through the IBM Support Assistant. Whilst following the instructions in the technote please note that in the Tools Add-ons popup GCMV is listed under the 'JVM-based Tools' folder as 'IBM Monitoring and Diagnostic Tools for Java - Garbage Collection and Memory Visualizer'