We plan on seamlessly integrating with long-term storage (<a href="https:&#x2F;&#x2F;prometheus.io&#x2F;docs&#x2F;introduction&#x2F;roadmap&#x2F;#long-term-storage" rel="nofollow">https:&#x2F;&#x2F;prometheus.io&#x2F;docs&#x2F;introduction&#x2F;roadmap&#x2F;#long-term-s...</a>) and OpenTSDB is one option for that for us.<p>Ignoring that as it&#x27;s planned work, the typical considerations are more around availability vs. consistency and that we&#x27;re a metrics system focused on operations rather than a event store. Most of that&#x27;s already covered in our docs. See <a href="https:&#x2F;&#x2F;prometheus.io&#x2F;docs&#x2F;introduction&#x2F;overview&#x2F;#when-does-it-fit" rel="nofollow">https:&#x2F;&#x2F;prometheus.io&#x2F;docs&#x2F;introduction&#x2F;overview&#x2F;#when-does-...</a> and <a href="https:&#x2F;&#x2F;prometheus.io&#x2F;docs&#x2F;introduction&#x2F;faq&#x2F;" rel="nofollow">https:&#x2F;&#x2F;prometheus.io&#x2F;docs&#x2F;introduction&#x2F;faq&#x2F;</a>