You may have come across a mBean attribute with a value such as STARTED or RUNNING. How do you convert that to a more useful boolean metric?
Reliable Insights
A blog on monitoring, scale and operational Sanity
While the JMX attributes you are usually working with will be numbers, the JMX exporter also has support for strings.
Cassandra is one of many Java-based systems that offers metrics via JMX. The JMX Exporter offers way to use these with Prometheus. By following these steps you can be up and running in under a minute!
Sometimes mBeans produce errors when scraped by the JMX exporter. Being able to look at detailed logs can help you figure out exactly which mBean is having issues and why.
