A Nifty Little Technique for finding the Trancodes that Caused a Performance Problem

摘要

You check the weekly stats for your online systems and discover that response time, CPU usage, or whatever, suddenly increased last week. So you delve into the trancode-level stats to take a look at the big trancodes and discover that their usage went down. Now what? Well, there's only 397 more trancodes to review, shouldn't take too long. If you could use an easier way to isolate the cause of these sudden changes, then this easy and fairly unknown technique could be a big help.