Brendan Gregg • 7/21/2024

No More Blue Fridays

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This article analyzes the major July 2024 global Windows outage (Blue Fridays) caused by a faulty kernel driver update from a security company. It explains how eBPF, a secure kernel execution environment, provides immunity from such crashes by running code in a verified sandbox, preventing it from crashing the entire kernel, and discusses its adoption on Linux and future Windows systems.

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#debugging #performance #observability
No More Blue Fridays

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