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Date:      Thu, 31 Oct 1996 22:11:40 +0100
From:      roberto@keltia.freenix.fr (Ollivier Robert)
To:        current@FreeBSD.ORG
Subject:   Re: 2.1.5r -> current upgrade
Message-ID:  <199610312111.WAA15215@keltia.freenix.fr>
In-Reply-To: <199610312039.UAA03047@right.PCS>; from Jonathan Lemon on Oct 31, 1996 14:39:04 -0600
References:  <199610301317.GAA13054@lundin.abq.nm.us> <E0vIk4M-0007ic-00@rover.village.org> <199610311828.TAA14373@keltia.freenix.fr> <199610312039.UAA03047@right.PCS>

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According to Jonathan Lemon:
> Does this mean that the biggest performance boost comes from adding an 
> additional controller?  

Not really. My "make world" time came down from 9h50 to 4h50 (approx) when
I changed the DX-33 into a DX4-100.  I got a lower time (around 4 hours) by
putting /usr/obj elsewhere (and as I got 2 SCSI controllers, I put the disk
there). 

/usr/src, /usr/obj and the CVS tree are all "async", it helps a lot.

It also helps for CTM extraction/patch because the packets are extracted
from sd11 (holds FTP) into sd12 (holds CVS) and then "cvs update" is on sd0
(holds /usr/src).

BT-747S (sd0 = IBM DORS 32160 2 GB):

Filesystem  1K-blocks     Used    Avail Capacity  Mounted on
/dev/sd0a       19487    14463     3466    81%    /
/dev/sd0d       99247    66652    24656    73%    /usr
/dev/sd0e      349759   172134   149645    53%    /usr/local
/dev/sd0f      201983    88004    97821    47%    /users
/dev/sd0g      496367   249262   207396    55%    /src          <<< /usr/src
/dev/sd0h      829345   306047   456951    40%    /work

AHA-1740A (sd11 = Micropolis MP1624 640 MB & sd12 = Seagate 321200N 1 GB):

Filesystem  1K-blocks     Used    Avail Capacity  Mounted on
/dev/sd11a     637862   579709     7125    99%    /x            <<< FTP
/dev/sd12e      68735    18149    45088    29%    /var
/dev/sd12g     279647   148397   108879    58%    /y            <<< /usr/obj
/dev/sd12h     465391   281984   146176    66%    /spare        <<< CVS tree

> Hm.  I was thinking my poor little DX2/66 was 
> mainly CPU bound.  I'll have to try putting in a spare 1542 into my EISA
> machine and seeing if that makes a difference.

My DX-33 system was very CPU-bound. Much less with the DX4-100 (of course).
-- 
Ollivier ROBERT    -=- The daemon is FREE! -=-    roberto@keltia.freenix.fr
  FreeBSD keltia.freenix.fr 2.2-CURRENT #26: Sun Oct 27 19:39:11 MET 1996



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