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VisualVM 1.2 Released

1 reply on 1 page. Most recent reply: Oct 23, 2009 11:34 AM by John Zabroski

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Frank Sommers

Posts: 2642
Nickname: fsommers
Registered: Jan, 2002

VisualVM 1.2 Released Posted: Oct 21, 2009 6:38 PM
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Visual VM is an open-source Java tool that provides visual monitoring and feedback on running Java applications.

Based on the NetBeans platform, VisualVM uses a variety of techniques to connect to a running Java VM, such as jvmstat, or JXM, and automatically chooses the best connection type based on the monitoring task. Once connected, VisualVM collects a wealth of performance-related metrics for applications running on the Java VM. Monitoring can be performed on a local or remote JVM. Although VisualVM itself requires a Java 6 VM, it can monitor and report on applications written for earlier Java versions as well.

Data collected by VisualVM can be saved for analysis later. As a result, while VisualVM can serve as feature-rich profiler and debugger, it is also useful for end-users capturing and submitting defect reports.

VisualVM can also be extended via the NetBeans plug-in mechanism. The recently released VisualVM 1.2 features a new Sampling CPU and Memory Profiler plugin. As with other data, VisualVM displays such information in visually reach charts and tables. The new 1.2 version sports improved visual display with tooltips, and also defines a public charting API for third-party plugins. Additional VisualVM 1.2 features include:

  • Application Snapshots can be opened using the Load action or --openfile parameter
  • Enhanced JMX API to enable customizing JMX environment/connections by plugins
  • Monitor and Threads tab are saved into application snapshot
  • Properties UI for Applications, Hosts and Snapshots, public Properties API for plugins
  • Customizable proxy settings in Options dialog UI for customizing SSL certificates in Options dialog

VisualVM also provides integration with several IDEs, including Eclipse and NetBeans.

What do you think of VisualVM as a Java application monitoring tool?

John Zabroski

Posts: 272
Nickname: zbo
Registered: Jan, 2007

Re: VisualVM 1.2 Released Posted: Oct 23, 2009 11:34 AM
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Limited to a single VM?

Why not use UseMon?

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