We have (at skroutz.gr) kibana 3 dashboards with 61,269,264 documents using the last month as time window and still no performance hit. Check our cluster resou

We have (at skroutz.gr) kibana 3 dashboards with 61,269,264 documents using the last month as time window and still no performance hit. Check our cluster resources in our blog post to get an idea.