| Begins at: |
2022-11-15 01:05:00 CET |
| Duration: |
50 minutes |
| Type: |
outage |
| State: |
resolved |
| Impact: |
system_restart |
| Affected systems: |
Node node24.prg |
| Summary: |
| English: Reboot to 5.10.154 |
| Česky: Reboot do 5.10.154 |
| Description: |
| English: 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. |
| Česky: 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 |
| Handled by: |
Pavel Šnajdr |
