Messages in this thread | | | Date | Mon, 12 Nov 2001 15:05:56 -0500 | From | Jeff Garzik <> | Subject | Re: Abysmal interactive performance on 2.4.linus |
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Frank de Lange wrote: > > On a 768 MB SMP box (2x466 MHz Celeron), I see some weird problems with > interactive performance on 2.4.15pre{1,2}. A good example of this is the > following scenario: > > - copy a large file (eg. an iso image file) to a directory on the same > (reiserfs in this case) filesystem, or... > - do a filesystem comparison between a CD and the original file (with cmp > /mnt/cdrom/<filename> /mnt/reiserfs/1/data/<original_file_location>, using a > PLEXTOR Model: CD-ROM PX-40TS SCSI CD-ROM drive), > > - and THEN (while the copy or comparison runs) try any simple command (like > 'ls /mnt/reiserfs/1/data' or 'top' or anything else...). > > Response time is abysmal, a simple 'ls /some/dir' takes tens of seconds to > start. Once the command is running, performance is normal. Try this when a > cdrecord session is running and you'll get a buffer underrun.
Can you try 2.4.13ac6 (not 7/8), and 2.2.20, and post a comparison?
-- Jeff Garzik | Only so many songs can be sung Building 1024 | with two lips, two lungs, and one tongue. MandrakeSoft | - nomeansno
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