Datum a čas: 2022-11-15 01:05 CET Očekavaná délka: 50 minut Oznámení se týká serverů: node24.prg Typ výpadku: vps_restart Důvod: Reboot do 5.10.154 Výpadek řeší: Pavel Šnajdr Odstranujeme ze zamku optimistic spinning fronty, ktere zpusobovaly, ze se hromady procesu uspavaly pri cekani na zamkach, pri cem se vyrobily dlouhe fronty procesu k probouzeni, coz nakonec pri zatezovych spickach zabijelo uzitecnou zatez ENGLISH: Date and time: 2022-11-15 01:05 CET Expected duration: 50 minutes Affected systems: node24.prg Outage type: vps_restart Reason: Reboot to 5.10.154 Handled by: Pavel Šnajdr Removing optimistic spinning queue locking, which was causing swaths processes to sleep on locks, creating long wakeup queues, which in the end killed useful workload during the load spikes. -----BEGIN BASE64 ENCODED PARSEABLE JSON----- eyJpZCI6OTc5LCJwbGFubmVkIjpmYWxzZSwiYmVnaW5zX2F0IjoiMjAyMi0x MS0xNVQwMTowNTowMCswMTowMCIsImR1cmF0aW9uIjo1MCwidHlwZSI6InZw c19yZXN0YXJ0IiwiZW50aXRpZXMiOlt7Im5hbWUiOiJOb2RlIiwiaWQiOjEy NSwibGFiZWwiOiJub2RlMjQucHJnIn1dLCJoYW5kbGVycyI6WyJQYXZlbCDF oG5hamRyIl0sInRyYW5zbGF0aW9ucyI6eyJlbiI6eyJzdW1tYXJ5IjoiUmVi b290IHRvIDUuMTAuMTU0IiwiZGVzY3JpcHRpb24iOiJSZW1vdmluZyBvcHRp bWlzdGljIHNwaW5uaW5nIHF1ZXVlIGxvY2tpbmcsIHdoaWNoIHdhcyBjYXVz aW5nIHN3YXRocyBwcm9jZXNzZXMgdG8gc2xlZXAgb24gbG9ja3MsIGNyZWF0 aW5nIGxvbmcgd2FrZXVwIHF1ZXVlcywgd2hpY2ggaW4gdGhlIGVuZCBraWxs ZWQgdXNlZnVsIHdvcmtsb2FkIGR1cmluZyB0aGUgbG9hZCBzcGlrZXMuIn0s ImNzIjp7InN1bW1hcnkiOiJSZWJvb3QgZG8gNS4xMC4xNTQiLCJkZXNjcmlw dGlvbiI6Ik9kc3RyYW51amVtZSB6ZSB6YW1rdSBvcHRpbWlzdGljIHNwaW5u aW5nIGZyb250eSwga3RlcmUgenB1c29ib3ZhbHksIHplIHNlIGhyb21hZHkg cHJvY2VzdSB1c3BhdmFseSBwcmkgY2VrYW5pIG5hIHphbWthY2gsIHByaSBj ZW0gc2Ugdnlyb2JpbHkgZGxvdWhlIGZyb250eSBwcm9jZXN1IGsgcHJvYm91 emVuaSwgY296IG5ha29uZWMgcHJpIHphdGV6b3Z5Y2ggc3BpY2thY2ggemFi aWplbG8gdXppdGVjbm91IHphdGV6In19fQ== -----END BASE64 ENCODED PARSEABLE JSON-----