Stan Hoeppner:
> The point I was attempting to make is that, even with todays fast disks,
> on a heavily loaded Postfix server, a 6 fold decrease in disk throughput
> due to an obscure bug like this would likely wreak havoc for a few
> hours, if not days, depending on the skill and experience of the OP,
> before the problem were found and fixed. Ergo, we should never rule out
> the rare/obscure/unlikely possible causes of problems that pop up.
I guess that the lesson from this is: don't install bleeding-edge
kernels on servers that people depend on. Pretty much every OS
distribution has a QA process that catches such anomalies before
too many people suffer.
I have been doing UNIX since 1985. I have learned to be careful.
Wietse
