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From Randy Terbush <>
Subject Re: Real World Webserver Performance
Date Fri, 16 Feb 1996 13:47:00 GMT
> Our webserver is current I/O bound, and just about anything you can think 
> of affects I/O.  We found out today most of the I/O had nothing to do 
> with user-level disk accesses, but instead with file last-accessed time 
> updating.  Or so we think.  :)  Every 30 seconds, when the disk cache is 
> flushed, we see a huge spike in I/O, which constant running of "sync" 
> eliminates, so we'll see tomorrow at 11am PST (our heaviest time and the 
> only time we have a problem) if turning that off helps things.  

What is this machine Brian? Running BSDI? Have you heard about MOSIX?

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