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- From: sip1@ellis.uchicago.edu (Timothy F. Sipples)
- Newsgroups: comp.os.os2.misc
- Subject: Re: post-CSD disk performance
- Keywords: DOS disk performance
- Message-ID: <1992Nov10.180017.11643@midway.uchicago.edu>
- Date: 10 Nov 92 18:00:17 GMT
- References: <1992Nov9.165642.25878@qucis.queensu.ca>
- Sender: news@uchinews.uchicago.edu (News System)
- Reply-To: sip1@midway.uchicago.edu
- Organization: Dept. of Econ., Univ. of Chicago
- Lines: 28
-
- In article <1992Nov9.165642.25878@qucis.queensu.ca> nordin@qucis.queensu.ca (Brent Nordin) writes:
- >I installed the CSD last week on a Dell 310 (386DX-20,8MB RAM),240MB spread over
- >2 ESDI drives, 2 FAT partitions and 1 HPFS partition. I had occasion to
- >delete a subdirectory containing about 110 files, with an average size of
- >1k bytes. The operation seemed very slow, so I did some further testing.
- >The files were all on one of the FAT partitions.
- >Native DOS, delete 110 files < 2 secs
- >OS2 window 18 secs
- >DOS window under OS2 3 minutes, 10 seconds!!!
- >The windows under OS2 were not full-screen. The timings are repeatable, even
- >after a reboot. The deldir option in the OS2 config.sys file is commented
- >out, so the delete should only be deleting and not copying. The OS2 figures,
- >especially the dos window ones are clearly not acceptable. I also have the
- >impression that my system is swapping more than it was before I installed the
- >CSD, but that is a purely subjective data point. I have no pre-CSD figures
- >for the delete operation, so OS2 may always have been a poor performer in that
- >area.
-
- Check to make sure that DELDIR in \AUTOEXEC.BAT is not unREM'med.
-
- I would also check cache settings in CONFIG.SYS. DISKCACHE controls
- the FAT cache size (and whether lazy writes are enabled).
-
- --
- Timothy F. Sipples | The OS/2 FREQ. ASKED QUESTIONS LIST 2.0g is avail.
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- of Chicago, 60637 | [You picked the right President, America -- Thanks.]
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