Synapse has come a long way in the past few years both in terms of reliability and resource usage. The following give some details: * https://matrix.org/blog/

Synapse has come a long way in the past few years both in terms of reliability and resource usage. The following give some details: * https://matrix.org/blog/2020/11/03/how-we-fixed-synapses-scalability https://matrix.org/blog/2020/11/03/how-we-fixed-synapses-sca... * https://twitter.com/matrixdotorg/status/1434912387933560837 https://twitter.com/matrixdotorg/status/1434912387933560837 What's more the Synapse team recently announced support for Rust meaning that various performance critical sub-components can be ported over from Python. * https://matrix.org/blog/2022/09/09/this-week-in-matrix-2022-09-09#synapse-website https://matrix.org/blog/2022/09/09/this-week-in-matrix-2022-... As mentioned elsewhere Dendrite (Go) and Conduit (Rust) are both entirely useable albeit beta implementations.