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Date:      Tue, 10 Oct 1995 22:54:53 -0600 (MDT)
From:      Dave Andersen <angio@aros.net>
To:        nathan@netrail.net (Nathan Stratton)
Cc:        freebsd-questions@freebsd.org
Subject:   Re: NEWS server
Message-ID:  <199510110454.WAA16550@terra.aros.net>
In-Reply-To: <Pine.LNX.3.91.951010230722.12685C-100000@netrail.net> from "Nathan Stratton" at Oct 10, 95 11:09:17 pm

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Lo and behold, Nathan Stratton once said:
> 
> On Tue, 10 Oct 1995, Dave Andersen wrote:
> 
> > Cpu states:  0.4% user,  2.3% nice,  3.5% system,  3.1% interrupt, 90.7% idle
> > 
> > There were 10 users reading news as of that snapshot.  By *far* our 
> > biggest limitation is in the disk area.  The best thing about going 

> Yes, but how many feeds you you recive and how many do you send? We 
> recive news from MCI, Sprint, and UUNet. And have a bunch of sites we 
> feed news to.

   We have 4 sites feeding us full feeds, though one of them is down for 
some reason (the admin went on vacation and things crashed right after.  
D'oh), and we feed one site.  Even if you're handling lots of feeds, it 
just means more disk i/o.  *shrug*  The load goes up when nntpsend runs, 
because it has to parse the out.going/* files, but the rest of the time, 
things only bog down when you get lots of people reading news and it 
eclipses the available ram.

   if you find that maintaining multiple newsfeeds (in and out) causes 
the load to be high ordinarily on your server, your money would probably 
be better spent on another computer which was dedicated only to managing 
your newsfeeds, which in turn fed the news machine which your users have 
access to.  *shrug*  More complicated to maintain, but without fabulously 
expensive hardware, there are a lot of limitations on I/O that you're 
going to get with any computer system.

    (Admittedly, buying a sparc 20 with several large RAIDs would 
probably handle things much more elegantly, but consider the 
price-performance, _and_ the exceptionally wasted processing power of the 
sparc).

      -Dave Andersen

-- 
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