Edit: Here is some more info, they do have availability issues as is to be expected
> Because three of its primary facilities were knocked offline within four days, Yandex’s failover mechanisms broke down[1][8].
> Outages have cascaded across Yandex Go (taxis), Yandex Pay, food delivery, smart home platforms, internal logistics, and third-party corporate services hosted on Yandex Cloud[2][7]. Problems have spilled into neighboring countries using these systems (Belarus, Kazakhstan, Armenia, Serbia)[2][7].
Edit 2: Here is the Yandex Cloud status page, their GCP/AWS equivalent. The entire compute core is offline, and even worse, Cloud Backup
https://status.yandex.cloud/ru/dashboard
> ru Compute Cloud, ru Kubernetes, ru PostgreSQL, ru ClickHouse, ru MySQL, ru YDB, ru Kafka, ru Application Load Balancer
Interestingly, Yandex tells its users on the status page to switch to competitors Selectel, K2Cloud, and VK Cloud. Which will probably be hit next