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 -----BEGIN BASE64 ENCODED PARSEABLE JSON----- eyJpZCI6OTQ4LCJwbGFubmVkIjpmYWxzZSwiYmVnaW5zX2F0IjoiMjAyMi0x MC0xMVQwMTowNTowMCswMjowMCIsImR1cmF0aW9uIjo0MCwidHlwZSI6InZw c19yZXN0YXJ0IiwiZW50aXRpZXMiOlt7Im5hbWUiOiJOb2RlIiwiaWQiOjEy MiwibGFiZWwiOiJub2RlMjEucHJnIn0seyJuYW1lIjoiTm9kZSIsImlkIjox MjUsImxhYmVsIjoibm9kZTI0LnByZyJ9XSwiaGFuZGxlcnMiOlsiUGF2ZWwg xaBuYWpkciJdLCJ0cmFuc2xhdGlvbnMiOnsiZW4iOnsic3VtbWFyeSI6IlN3 aXRjaCBiYWNrIHRvIFBSRUVNUFRfVk9MVU5UQVJZIiwiZGVzY3JpcHRpb24i OiJQUkVFTVBUIGNhdXNlcyBhIGh1Z2UgcGVyZm9ybWFuY2UgcmVncmVzc2lv biBpbiBvbmUgcGhwLWZwbSBlZGdlLWNhc2UifSwiY3MiOnsic3VtbWFyeSI6 IlByZWhvemVuaSB6cGF0a3kgbmEgUFJFRU1QVF9WT0xVTlRBUlkiLCJkZXNj cmlwdGlvbiI6IlBSRUVNUFQgenB1c29idWplIHZlbGtvdSB2eWtvbm5vc3Ru aSByZWdyZXNpIHYgamVkbm9tIChkdWxleml0ZW0pIHBocC1mcG0gb2tyYWpv dmVtIHByaXBhZHUifX19 -----END BASE64 ENCODED PARSEABLE JSON-----