I’ve always worked to make ClearTrace perform well. That’s probably because I spend so much time watching it work. I’m often going through two or three gigabytes of trace files but I rarely get the chance to run it on a really large set of files.
This is a companion discussion topic for the original entry at http://billg.sqlteam.com/2012/04/26/cleartrace-performance-on-170gb-of-trace-files/