My previous employer used it, and I use it nowadays for my side project. I like it, but granted, its the only log ingestion software I've ever used, so cant compare it. The charts I made are nice and I can easily pinpoint errors, bottlenecks and similar in my platform/code.
Here are some views that we're using for our little startup:
From my experience, Sumo really touts its `logreduce` functionality, which is a process of filtering logs for anomalous messages and bringing interesting things to your attention.
It worked pretty well to be fair, but it got a bit expensive (as things usually do).
