YouMonitor

What do you like best?

It's very easy to use. Start YourKit and it will display a list of currently running java processes to attach to requiring zero effort. The profiler can quickly give you an overview of common java runtime issues including memory leaks, distribution of time in function calls, and garbage collection statistics. Turning on stack traces allows you to dive in deep to which lines of code are the violators. You can also do detailed recording of issues.

What do you dislike?

The UI is a little old school. It can be difficult to understand what exactly do each of the graphs mean on some of tiem series.

Recommendations to others considering the product:

YourKit has a free trial so it's easy to get started risk free to solve your first issue. Then each purchase gives you 3 licenses.

What problems are you solving with the product? What benefits have you realized?

Finding performance and memory issues slowing down java applications. We have discovered which lines of code are contributors to issues bringing our application to a standstill.