M3 provides local storage but is not experimental, on top of that with cluster replication which VictoriaMetrics does not provide, and has a kubernetes operator to help scale out a cluster.
Disclosure: I work on the TSDB underlying M3 (M3DB) at Uber. Still worth checking out though!
Disclosure: I work on the TSDB underlying M3 (M3DB) at Uber. Still worth checking out though!