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Re:Netflix FlameScope by IamNotAtWork on Wednesday April 04, 2018 @02:30PM (#16757532)
What was the root cause of the problem that motivated this visualization tool?
Re:Netflix FlameScope by brendangregg on Wednesday April 04, 2018 @02:56PM (#16757773)
It's described in the blog post under "Origin", and the sample profile that we ship with FlameScope (examples/perf.stacks01) and which I used in the video is the first minute of the original problem.

It was intermittent latency that was hard to explain using existing tools.