We use ElasticSearch in a very limited capacity for keyword searches against consumer product metadata. We haven't ventured into using it for BI reporting, but

We use ElasticSearch in a very limited capacity for keyword searches against consumer product metadata. We haven't ventured into using it for BI reporting, but I'm interested. I'm sure there is plenty of knowledge I can google, but any early insights or traps to avoid when moving from SQL-based reporting to something in ES?