What does Splunk do well? it captures real-time data and has ability to generate visualizations so you can monitor multiple apps on one display if you wanted to. Their technical support is really helpful
What does Splunk not do well? splunk documentation with other apps to get data in is not always easy to follow.
What do you wish you had known about Splunk before using? learning curve. you need to take classes to learn how to use splunk search, etc
Have you used a competitor to Splunk? If so, how does it compare? no