On Wednesday, September 21, 2016 01:47:28 PM Grant wrote:
> >> I haven't mentioned it yet, but several times I've seen the website
> >> perform fine all day until I browse to it myself and then all of a
> >> sudden it's super slow for me and my third-party monitor.  WTF???
> > 
> > I had a similar problems once when routing through a IPsec VPN tunnnel.
> > I needed to reduce MTU in front of the tunnel to make it work
> > correctly. But I think your problem is different.
> I'm not using IPsec or a VPN.
> > Does the http server backlog on the other side? Do you have performance
> > graphs for other parts of the system to see them in relation? Maybe
> > some router on the path doesn't work as expected.
> I've attached a graph of http response time, CPU usage, and TCP
> queueing over the past week.  It seems clear from watching top, iotop,
> and free than my CPU is always the bottleneck on my server.

I'm going to throw one more tool at you; give atop a try. (htop is nice, too, 
but atop is more powerful.)


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