An Unbelievable Demo
Brendan Gregg
JUNE 3, 2021
This is the story of the most unbelievable demo I've been given in world of open source. You can't make this stuff up. It was 2005, and I felt like I was in the eye of a hurricane. I was an independent performance consultant and Sun Microsystems had just released DTrace, a tool that could instrument all software. This gave performance analysts like myself X-ray vision.
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