"And then it hit me"... ok, a great story, but you have to wonder what people would do if they didn't just guess the answer. That much slowness may be disk I/O

"And then it hit me"... ok, a great story, but you have to wonder what people would do if they didn't just guess the answer. That much slowness may be disk I/O bound, which would show up in the USE method, or even just my Linux performance checklist[1]. It'd also show up by tracing blocking events, even an off-CPU flame graph, but that's overkill. [1] http://techblog.netflix.com/2015/11/linux-performance-analysis-in-60s.html http://techblog.netflix.com/2015/11/linux-performance-analys...