Re: Oops in pdflush

From: Keith Owens <kaos_at_sgi.com>
Date: 2004-02-29 10:59:30
On Sat, 28 Feb 2004 10:26:18 -0800, 
David Mosberger <davidm@napali.hpl.hp.com> wrote:
>>>>>> On Sat, 28 Feb 2004 15:55:37 +0100, Andreas Schwab <schwab@suse.de> said:
>
>  Andreas> David Mosberger <davidm@napali.hpl.hp.com> writes:
>
>  >> Say, Andreas, did you by chance have 3 disk drives in your Tiger?
>
>  Andreas> No, only one.
>
>Hmmh, kind of throws that theory out of the water...
>
>I still don't understand why the problem triggered only on certain
>machine.

pdflush threads are per filesystem, independent of the number of
physical disks.  When you have concurrent heavy I/O load against more
than MIN_PDFLUSH_THREADS filesystems, pdflush will detect that all its
worker tasks are in use and will fork new tasks.

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Received on Sat Feb 28 19:01:17 2004

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