Amazing PHP: “Profiling PHP in production at scale At Wikipedia, we built an efficie…”

Post #344 5.62K Dec 24, 2020, 15:39 UTC

Profiling PHP in production at scale
At Wikipedia, we built an efficient sampling profiler for PHP, and use it to instrument live requests. The trace logs and flame graphs are powered by a simple setup that involves only free open-source software, and runs at low infrastructure cost.

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