Re: low HZ value causes "Time Warp Bug" (re: this Puny Pentium2 suddenly became 45% slower!)

From: P.D. Seniura <pdseniura_at_techie.com>
Date: Thu, 06 May 2004 18:55:18 -0600
> > It seems this bug happens when the HZ value goes below 16
> > (either by compiling 'options HZ=' in kernel or setting
> > sysctl 'kern.hz=' in /boot/loader.conf).  The computed
> > 'ticks' value becomes too large for 2-byte int producing
> > crazy overflowed numbers elsewhere.
> 
> 16 is pretty low..
> Then again it would be nice if it warned you or something similar when you 
> tried it :)

Heh, I got HZ set to 20 while it does
buildworld (~9 hours) and portupgrade overnight. 
The idea is "less slicing and more doing". ;)


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Received on Thu May 06 2004 - 15:55:20 UTC

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