Article View: comp.sys.next.misc
Article #3348Re: How to set nbuf=64 as default?
From: Mike Matthews
Date: Thu, 12 Nov 1992 02:12
Date: Thu, 12 Nov 1992 02:12
25 lines
1584 bytes
1584 bytes
In article <1992Nov7.111402.3490@cubetech.com> andrew@cubetech.com writes: >Do NOT put in a vaule greater than 255. Values greater than 255 can >cause you system to panic! Really? Wow... I had 300 buffers running for about two hours, until it became painfully obvious that... ...having too many buffers can cause periods of intense disk activity which can very well slow the system down. Kinda like traffic jams; when there's an accident, there is a definite, physical delay (like writing out a buffer), but the delay continues long after to get everything cleared out. If you've got 256 buffers, that's 2 megabytes of stuff to dump to disk. Annd, if you do crash or panic (come to think of it, I can't remember if I panic'd or not, but I did have an abormal shutdown), those 2 megabytes of stuff probably weren't written to disk... >andrew ------ Mike Matthews, matthews@oberon.umd.edu (NeXTmail accepted) ------ Even if you can deceive people about a product through misleading statements, sooner or later the product will speak for itself. - Hajime Karatsu
Technical Details
Message-ID:
<16937@umd5.umd.edu>Path:
arc1-ca.pugleaf.net!sparky!uunet!charon.amdahl.com!pacbell.com!ames!haven.umd.edu!umd5!oberon.umd.edu!matthewsReferences:
<22OCT199214011322@mpx2.lampf.lanl.gov> <1992Nov5.063618.11901@pilhuhn.ka.sub.org> <1992Nov7.111402.3490@cubetech.com>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!sparky!uunet!charon.amdahl.com!pacbell.com!ames!haven.umd.edu!umd5!oberon.umd.edu!matthews From: matthews@oberon.umd.edu (Mike Matthews) Newsgroups: comp.sys.next.misc Subject: Re: How to set nbuf=64 as default? Message-ID: <16937@umd5.umd.edu> Date: 12 Nov 92 02:12:46 GMT References: <22OCT199214011322@mpx2.lampf.lanl.gov> <1992Nov5.063618.11901@pilhuhn.ka.sub.org> <1992Nov7.111402.3490@cubetech.com> Sender: news@umd5.umd.edu Organization: /etc/organization Lines: 27