Datum a čas: 2022-10-11 01:05 CEST Očekavaná délka: 40 minut Oznámení se týká serverů: node21.prg, node24.prg Typ výpadku: vps_restart Důvod: Prehozeni zpatky na PREEMPT_VOLUNTARY Výpadek řeší: Pavel Šnajdr

PREEMPT zpusobuje velkou vykonnostni regresi v jednom (dulezitem) php-fpm okrajovem pripadu

ENGLISH: Date and time: 2022-10-11 01:05 CEST Expected duration: 40 minutes Affected systems: node21.prg, node24.prg Outage type: vps_restart Reason: Switch back to PREEMPT_VOLUNTARY Handled by: Pavel Šnajdr

PREEMPT causes a huge performance regression in one php-fpm edge-case

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