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- From: haedener@iacrs1.unibe.ch (Konrad Haedener)
- Subject: Re: RS6000 almost stops with heavy disk access.
- Message-ID: <1992Nov18.073806.2406@aragorn.unibe.ch>
- Sender: haedener@iacrs1 (Konrad Haedener)
- Reply-To: haedener@iacrs1.unibe.ch
- Organization: University of Berne
- References: <199211171808.AA15477@cc.ysu.edu>
- Date: Wed, 18 Nov 1992 07:38:06 GMT
- Lines: 23
-
- In article <199211171808.AA15477@cc.ysu.edu>, JOAOLSD@vm1.sdi.uam.es (Joao Luis Silva Damas) writes:
- |> Hi,
- |> we have two rs6000 (a 320H and 340) being used by different kinds of users.
- |> Some of them do large molecular calculations which create HUGE (600-700 MB) tem
- |> porary files for the molecular integrals. When their program begins writing the
- |> se huge files and then reading them as needed, our machines almost stop and oth
- |> er users are almost unable to use the system. The slowness means 30-60 sec to l
- |> ogon, 1 minute for X windows to create a new window, a long time for even an ls
- |> , etc. Most other users do a lot of editing so they actually need better respon
- |> se time from the machine.
- |> Is there anyway to correct this situation (besides killing those huge calculati
- |> ons, of course)?
- |> Thanks for your answers,
- |> Joao Damas
-
- Run those processes at a fixed priority of 126 or slightly smaller;
- with dynamic priorities and your situtation, the niceness scale is
- inadequate.
- --
- Konrad Haedener Phone: +41 31 65 42 25
- Institute for Physical Chemistry FAX: +41 31 65 39 94
- University of Berne
- Switzerland haedener@iacrs1.unibe.ch
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