Embark on the Observability Journey
With the advent of byte code instrumentation (BCI) in 2008, application performance management took a giant leap in what is known as "inside-out monitoring," that is, monitoring from inside the application. Before that, application monitoring was largely limited to tracking CPU, memory, disk, and process availability. BCI offered new opportunities in terms of how applications could be monitored and what could be monitored from an application performance perspective.