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- Newsgroups: comp.sys.prime
- Path: sparky!uunet!cs.utexas.edu!uwm.edu!rpi!rpigate!x
- From: a.0013@VCC3.VCC.BC.CA (Jim Chivas Vancouver Community College)
- Subject: tuning
- Message-ID: <9208282012.AA17109@usenet.rpi.edu>
- Sender: ListServer@Blx-A.Prime.COM (Prime Netherlands ListServer v1.12)
- Reply-To: Info-Prime@Blx-A.Prime.COM
- Date: Fri, 28 Aug 1992 20:09:34 GMT
- Lines: 37
-
- I am wondering if anyone out there may have some suggestions on
- how I might tune my 4150.
-
- This machine has been running fairly
- quickly for the past year. The application is COBOL85 and
- MIDASPLUS. There are about 30 users logged in, all using the same
- login id and therefore the same CPL that presents a menu. This menu
- has several selections with each selection invoking a separate
- .RUN cobol85 program. The application is one of registering students,
- mostly from the phone. Once the program is loaded
- from the menu, the response time is very good. The problem seems
- to be when the user has to stop one .RUN program and return to the CPL
- menu to invoke another .RUN. The time to actually stop the first
- .RUN varies from 15 seconds up to 90 seconds. Once the program does
- stop and the cpl menu returns, the next .RUN the user selects also takes
- about the same time to load and start to execute. Again, once this
- second program starts, it is quite fast at accepting terminal input.
-
- I am currently running Primos 23.1 with old AMLC ports plus two
- async line printers(not used very much and I don't feel are a factor),
- 1 ethernet controller running TCP/IP (I only use the amlc
- ports for the above application as the etherent connections go to a
- teaching lab which is not used when the above application runs).
-
- I have run usage quite a lot which shows my PIO/S at a max of 30 but mostly
- below 20, CPU runs at about 20-30%, %miss is less than 10% all the time,
- %io is less than 15%. I set E -TS 50 and CHAP ALL -TS 2000. I was
- originally running 24MB but added 8 more from another machine to max out
- at 32MB. If this extra 8MB had any affect, my users didn't see it.
-
- I have been trying lowering MAXSCH from 50-40-30-20-10, but again the end
- users say nothing changes.
-
- Any ideas or comments on things I should be trying.
-
- Jim Chivas
- Vancouver Community College
-