>You moved something from a single datastore to three different database technologies? I don't know your domain, but that sure doesn't sound like a complexity reduction.
replywhat's bad about graphana? it's simply used for some alerts and monitoring, i've used it for really long time and it has never failed me not even once.
it's much simpler to query postgres or mongo compared to duplicating data dozens of times on datastore.
The UX is dreadful? I could spend hours picking apart the terrible design decisions. After many years with the comparative luxury of the stackdriver tools on GCP, I moved to a BigCorp with a grafana/loki/mimir system and a whole devops army to maintain it. For two years I've been unable to find anything positive to say about this experience. Our devops folks are super smart, so I can only conclude that the software sucks.
replyI can't really judge your database choices; I don't know your specific problems, we're just trading quips on the internet for fun. But man oh man grafana is disappointing.