Worth mentioning that Elastic.co has a commercial product called Watcher [1] which I think is a really nice way for making an automated alert system. The downside is being a commercial product I can&#x27;t use Watcher and would have to implement one myself.<p>I am still deciding between ES, a relational database and Cassandra for time series data. We use graphite now and are happy with it, but I think having a single database handling logs, events and metrics data would be much more ideal. Having logs already in ES does make ES a better choice.<p>[1]: <a href="https:&#x2F;&#x2F;www.elastic.co&#x2F;guide&#x2F;en&#x2F;watcher&#x2F;current&#x2F;index.html" rel="nofollow">https:&#x2F;&#x2F;www.elastic.co&#x2F;guide&#x2F;en&#x2F;watcher&#x2F;current&#x2F;index.html</a>