Thanos (https://github.com/improbable-eng/thanos https://github.com/improbable-eng/thanos) or Cortex are both great projects depending on your needs. I would b

Thanos (https://github.com/improbable-eng/thanos https://github.com/improbable-eng/thanos) or Cortex are both great projects depending on your needs. I would be wary of PromHouse since at a glance it seems to be storing each timestamp in a separate row, which will not be as space efficient as either of the above options. Full disclosure, I am a maintainer of the Cortex project.