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Ever wanted an easy tool for persisting your App Server's monitoring data with no external dependencies. Well if you use GlassFish you're in luck, because Adam Bien has created a cool tool for that app server called LightFish that will store your monitoring data up in a RDBMS. It then pushes that data to a JavaFX 2 UI in real-time to visualize this data.
Here's a video intro and the features Adam lists:
Features / Monitoring:
Threads And Memory:
Heap Size, Thread Count, Peak Thread Count
Commits and Rollbacks
"Paranormal Activity" :-)
Queued Connections, Errors and Busy Thread Count
Active and Expired Sessions
Free and used connections, potential connection leaks, and the Length of the wait queue
DevOps practitioners have known that #monitoringsucks for a while now, and hopefully this tool for the app server part of your stack is a step in the right direction. Try it out now.
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