Let’s Encrypt has announced that it will no longer send certificate expiration notification emails. What now?

Solr API Metrics Cheat Sheet

How is this helpful?

This Solr / SolrCloud Metrics API Cheat Sheet shows you how to access all the new Solr metrics – Jetty Metrics, JVM Metrics, Solr Node Metrics, Core OS metrics, etc. Print it. Copy-paste from it. Use it when troubleshooting Solr performance issues. Enjoy and share!