Monitoring busy servers
Eric S. Raymond
esr at thyrsus.com
Tue Dec 27 10:30:49 UTC 2016
Hal Murray <hmurray at megapathdsl.net>:
> Do we have technology for making flow charts? Are they better than text?
> For the MRU stuff, I think I can do a decent job with text. (It's not that
> complicated.) Should the text go in the code or in a separate doc where the
> ntpq documentation can refer to it? ...
I would do this kind of thing in pic, which is why I wrote the pic2graph
tool in the groff suite.
[long description omitted]
> Ahh. Maybe I just figured it out. There is a design oversight in the MRU
> recycle/preempt logic.
You are way, way ahead of me in understanding that code. Do what you think
is needed. Try to document semantic changes.
> More cruft. All the tests for oldest != NULL can be removed. If the list is
> totally empty, the slot would have come from the free list.
Do it. I think my best course is to stay out of your way so we don't
generate merge conflicts.
<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>
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