Minimum requirement for servers to support 1000+ concurrent recorded meetings?

The minimum requirement for servers to support 1000+ concurrent recorded meetings?
Can we find a jitsi expert is required to do the necessary installations to Allow 1000+ concurrent recorded meetings at the same time with minimum servers?
and to find a workaround for the following limitation

Recording
Jibri needs ONE system per recording. One Jibri instance = one meeting. For 5 meetings recorded simultaneously, you need 5 Jibris. There is no workaround to that. If you are knowledgeable, you can setup Jibris in containers and use a big server to save a bit