Monitoring metrics

Before we get into ways of monitoring, we need to understand a couple of necessary monitoring metrics. We will touch base with these metrics in this section.

Our primary goal of monitoring is to ensure Solr meets the SLA expectations in terms of search and its quality. Solr provides both XML and JMX hooks, which allows you to integrate Solr with your monitoring platform.

Tip

Don't get hassled if you do not have your own monitoring platform! There are three offerings for you from New Relic, Sematext, and Opsview, and they have been covered in the last section of Chapter 3, Managing Solr. They are cloud-based and communicate via a small agent installed into Solr and provide a package of statistics and analysis about the JVM, as well as Solr specific metrics such as request response time and throughput, cache hit rate, and indexing performance.

Stats.jsp

From the admin interface, when you click on the Statistics link, though you receive a web page of information about the specific...