tag: reindex

Fix an Oversharded Elasticsearch Cluster

TL;DR The default settings for Logstash index rotation are bad and will break your cluster after a few months unless you change the rotation strategy. If you’re anything like me, you probably read somebody’s cool blog about how awesome ELK stack is and just had to have a piece of it. So you went through the quick start guide, googled your way through getting it up and running, then BAM you had an awesome logging system with all the bells and whistles!