I wouldn't worry too much about what the community thinks. TSDB fits the bill and works great. That being said, I've also heard wonderful things about druid.io

I wouldn't worry too much about what the community thinks. TSDB fits the bill and works great. That being said, I've also heard wonderful things about druid.io (http://druid.io/ http://druid.io/), however I've yet to personally try it. We're going to start testing and throwing data at druid early next year though.