About this software
VisualGC is a graphical tool that attaches to instrumented HotSpot JVMs to collect and display garbage collection, class loader, and HotSpot compiler metrics. It visualizes Young, Old, and Perm/Metaspace utilization and plots GC events and pause information over time.
Distributed with the jvmstat utilities, VisualGC is available as a separate download and can be used locally or remotely to help diagnose GC behaviour and support heap and GC tuning workflows.
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JetBrains 3rd Party JDK Visual GC
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Benefits
- Visual GC view: Shows heap and collector metrics in a live graphical interface.
- Local and remote monitoring: Attaches to instrumented JVMs on the same host or remote hosts.
- Memory space visualization: Displays Young, Old, and Perm/Metaspace utilization over time.
- GC event timeline: Plots collection events and pause durations for analysis.
- Integration with jvmstat tools: Distributed with jvmstat and usable from GC Portal or VisualVM.
Available languages
- English
Support information
- Documentation: See Oracle's VisualGC tool page and jvmstat documentation for usage and options.
- Downloads: Obtain VisualGC from the jvmstat download or related Oracle downloads pages.
- Integration guides: VisualVM and GC Portal documentation describe running VisualGC within those tools.
- Platform notes: VisualGC requires HotSpot instrumentation and may not be available on non-HotSpot JVMs.
- Community resources: Community forums and project pages provide examples, plugins, and troubleshooting advice.
Frequently asked questions
What does VisualGC monitor?
VisualGC collects and displays garbage collection behavior, heap space utilization, class loader activity, and HotSpot compiler metrics from an instrumented JVM.
How does VisualGC connect to a JVM?
It uses the jvmstat instrumentation interfaces and accepts a vmid to attach to local or remote HotSpot JVMs.
Is VisualGC included in the JDK?
VisualGC is not bundled with current JDK releases; it is provided separately via the jvmstat distribution and related downloads.
Which JVMs does VisualGC support?
VisualGC targets HotSpot-based JVMs and relies on HotSpot instrumentation and jvmstat support documented by Oracle.
Can VisualGC be used with other tools or IDEs?
VisualGC data can be integrated into tools such as VisualVM and GC Portal, and plugins exist to surface VisualGC in IDEs.