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Article #405

Re: RAMDISK, not a joke!

#405
From: Andrew Loewenstern
Date: Tue, 11 Aug 1992 07:17
30 lines
1787 bytes
In article <1992Aug10.214244.20385@leland.Stanford.EDU> m@crito.Stanford.EDU (M Carling) writes:
>In article <9208102140.AA04340@physics> dmitri@physics.stanford.edu  
>(Dmitri Linde) writes:
>> The ramdisk posting is not a joke. Many people have replied to me
>> saying that ramdisk is useless, but some people suggested
>> several uses.
>
>Why not just buy a solid-state SCSI disk with a 0.15 millisecond access  
>time?

hmmmmmm, would those work?  Those suckers are cool, but expensive....

It would be nice if NeXT would either beef up the cache allocation, or
make it settable via a file...  It would be cool if Mach did what
NetWare does...  NetWare uses ALL unused memory for file, FAT, and
TurboFAT caching.  A 32-meg NetWare server just cranks, even with a
LOT of disk access going on.  So if Mach turned all available memory
into disk-cache and then released it as memory was needed (until the
disk cache reaches a certain point), we'd prabably get more speed.

But Chris Lloyd is right...  the SCSI drivers (and many more low-level
drivers) seem to be pretty screwed up.


andrew
-- 
andrew@cubetech.com     | "We shall not cease from exploration
Andrew Loewenstern      |  And the end of our exploring
Cube Technologies, Inc. |  Will be to arrive where we started
                        |  And know the place for the first time." -T.S. Eliot
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Message-ID: <1992Aug11.071741.620@cubetech.com>
Path: arc1-ca.pugleaf.net!sparky!uunet!psinntp!cubetech.com!imladris!andrew
References: <9208102140.AA04340@physics> <1992Aug10.214244.20385@leland.Stanford.EDU>

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Newsgroups: comp.sys.next.software
Path: arc1-ca.pugleaf.net!sparky!uunet!psinntp!cubetech.com!imladris!andrew
From: andrew@cubetech.com (Andrew Loewenstern)
Subject: Re: RAMDISK, not a joke!
Message-ID: <1992Aug11.071741.620@cubetech.com>
Organization: Cube Technologies, Inc.
References: <9208102140.AA04340@physics> <1992Aug10.214244.20385@leland.Stanford.EDU>
Date: Tue, 11 Aug 1992 07:17:41 GMT
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