How a 20mb data-set brought down a 14gb ElasticSearch cluster.

15 Jul 2016 • 7 min read

For a client project we are using ElasticSearch (ES) as one of our read-models. The use-case was pretty straight forward and the amount of data was super small. However, our problems were pretty big. It got to a point where we had to reboot our cluster periodically to prevent it from crashing. So, what was going on? Let's...