The one I was working on used PG for storage, redis for caching. I paid for some tier, didn't like off-prem, v1 didn't have vairant (was bool only), upgrade to

The one I was working on used PG for storage, redis for caching. I paid for some tier, didn't like off-prem, v1 didn't have vairant (was bool only), upgrade to v2 was bumpy, their php-client did some odd stuff (background shell_exec) the support didn't even know about. CEO was nice enough, refunded some of my money.