Author

Kostis Kaffes

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Book Open access Aug 2026

Critical Path Guided Decision Making with CALLIGATOR

Modern web applications are typically implemented by many independent microservices. Seeing into such a distributed system and predicting how component changes propagate across the system is essential for informed decision-making. Unfortunately, existing tools provide only partial support for such analysis in microserv...

Meghna Pancholi, Lee Baugh, Olaf Schnapauff et al. · Conference on Applications,... · 0 citations

Book Open access Sep 2026

TuxBot: Semantic-Aware Online OS Tuning with LLMs

Online OS tuning can improve long-running services, but existing tuners are not well suited for live hosts. They treat scheduler, power, memory, and I/O controls as black-box variables and optimize a scalar reward. This approach ignores cross-knob policy structure, breaks down when application metrics are unavailable,...

Georgios Liargkovas, M. Joshi, Hubertus Franke et al. · Proceedings of the ACM SIGOP... · 0 citations