FOSS and commercial sector tried and failed to do stuff like that for over a decade. I agree developing it is better in the long term but most don't have the sk

FOSS and commercial sector tried and failed to do stuff like that for over a decade. I agree developing it is better in the long term but most don't have the skill to solve that problem. Better to buy a proven solution, make sure you can exit it (not sure what Spanner is like here), and switch if a FOSS solution emerges.