Re: NFS sucks (was Re: Pentium-90 box for Linux?)

Article View: comp.os.linux.help

Article #109

Back to comp.os.linux.help Previous Next

#109

From: Mike Battersby
Date: Tue, 14 Feb 1995 12:35

15 lines
1908 bytes

scotta@jolt.mpx.com.au (Scott A Howard) writes:
>Mike Battersby (michaelb@aurora.cc.monash.edu.au) wrote:
>: I seem to recall having heard that the problem is in the way the NFS
>: support in the kernel works (in effect, the "client") -- particularly
>: the fact that, unlike other NFS inmplementations, no caching is done.
>Cacheing of non-local filesystems is basically impossible, as you never 
>know when the remote files have changed, and thus when you need to 
>re-read the data.

Not true, but I don't know if NFS does it that way (I doubt it, now
that I think a bit more).  Maybe it's due to the lack of read-ahead
or async writes or something [ okay, so I'm grabbing at straws :) ] --
I'm convinced it was related to the buffer cache.

 - Mike

Technical Details

Message-ID: <3hq82r$6qj@harbinger.cc.monash.edu.au>

Path:

arc1-ca.pugleaf.net!nntp.gmd.de!newsserver.jvnc.net!rutgers!mcrcr6!cmcl2!panix!news.mathworks.com!news.alpha.net!uwm.edu!msunews!harbinger.cc.monash.edu.au!penfold.cc.monash.edu.au!michaelb

References:

<1995Feb6.094005.40@nntp.brisnet.org.au> <3h6k9c$ect@openwx.networx.com> <3hejal$624@kirk.Bond.edu.au> <1995Feb13.020829.14593@rd.scitec.com.au> <3hmn0t$kp7@harbinger.cc.monash.edu.au> <3hngrg$s86@inferno.mpx.com.au>

Show Full Headers

Complete Article Headers

X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 1103af,a85ac670e4194595
X-Google-Attributes: gid1103af,public
X-Google-Thread: 102983,a85ac670e4194595
X-Google-Attributes: gid102983,public
X-Google-Thread: 100b1f,a85ac670e4194595
X-Google-Attributes: gid100b1f,public
X-Google-ArrivalTime: 1995-02-14 04:35:39 PST
Path: arc1-ca.pugleaf.net!nntp.gmd.de!newsserver.jvnc.net!rutgers!mcrcr6!cmcl2!panix!news.mathworks.com!news.alpha.net!uwm.edu!msunews!harbinger.cc.monash.edu.au!penfold.cc.monash.edu.au!michaelb
Newsgroups: comp.os.linux.help,comp.os.linux.misc,aus.computers.linux
Subject: Re: NFS sucks (was Re: Pentium-90 box for Linux?)
Message-ID: <3hq82r$6qj@harbinger.cc.monash.edu.au>
From: michaelb@penfold.cc.monash.edu.au (Mike Battersby)
Date: 14 Feb 1995 12:35:39 GMT
References: <1995Feb6.094005.40@nntp.brisnet.org.au> 
 <3h6k9c$ect@openwx.networx.com> <3hejal$624@kirk.Bond.edu.au>
 <1995Feb13.020829.14593@rd.scitec.com.au>
 <3hmn0t$kp7@harbinger.cc.monash.edu.au> <3hngrg$s86@inferno.mpx.com.au>
Organization: Monash University
NNTP-Posting-Host: penfold.cc.monash.edu.au
X-NNTP-Posting-User: michaelb
Lines: 16

Reply to Parent Message