How can I use Go\'s pprof to profile goroutine counts and detect potential leaks?

Profiling Goroutine Count with Go's pprof

To identify potential goroutine leaks, it's crucial to monitor the number of goroutines over time. Go's pprof provides a valuable tool for this purpose.

Access Goroutine Information through pprof

Navigate to the pprof endpoint (typically http://localhost:8888/debug/pprof/) in your browser, where you'll find two relevant links:

• Goroutine Link: http://localhost:8888/debug/pprof/goroutine?debug=1
• Full Goroutine Stack Dump Link: http://localhost:8888/debug/pprof/goroutine?debug=2

Interpreting Goroutine Data

• Goroutine Link: This link groups goroutines sharing the same code base and displays their count in front of their name. For example, "1 @ 0x42f223..." indicates there are two goroutines executing this code.
• Full Goroutine Stack Dump Link: This link provides a detailed view of every goroutine, including its stack trace and current status. This is invaluable for identifying leaks, as it reveals the goroutine's activities and potential bottlenecks.

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