What's the difference between sharding vertically and horizontally?
Is there anything you can do before opting for a sharding strategy?
What type of metrics are best suited for being federated in a hierarchical pattern?
Why might you require cross-service federation?
What protocol is used between Thanos querier and sidecar?
If a replica label is not set in a Thanos querier that is configured with sidecars running alongside Prometheus HA pairs, what happens to the results of queries that are executed there?