Try VictoriaLogs for your warehouse product next time. It provides efficient storing and querying petabytes of wide events with hundreds of fields - see https://docs.victoriametrics.com/victorialogs/keyconcepts/ , and it provides very easy scaling path from single-node setup to cluster setup, so you can start with an instance per customer and then gradually scale to many storage nodes as workload grows - https://docs.victoriametrics.com/victorialogs/cluster/#singl... .