Date: Fri, 12 Oct 2001 15:21:10 -0700 From: "Jay Rossiter" <jrossiter@symantec.com> To: Mike Silbersack <silby@silby.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Severe I/O Problems Message-ID: <OFECDB86C9.9292A881-ON88256AE3.007AA132@symantec.com>
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Both. It does a lot of creation and deletion, and also does quite a
bit of I/O internally to files.
This is a piece of code that extracts, changes, replaces, deletes, and
repacks archive container files. (zip, arj, lha, mime, you name it...)
Mike
Silbersack To: Jay Rossiter <jrossiter@symantec.com>
<silby@silby.c cc: <freebsd-hackers@freebsd.org>
om> Subject: Re: Severe I/O Problems
10/12/2001
03:02 PM
On Fri, 12 Oct 2001, Jay Rossiter wrote:
> There appear to be a lot of changes that went into the filesystem and I/O
> code between 4.3 and 4.4. A little over a week ago I upgraded my 4.3 box
> to 4.4-STABLE and immediately I started having I/O slowdown. I do
> development and QA on a program that is very I/O bound, but the changes
> between 4.3 and 4.4 aren't small enough that I can ignore them.
By I/O bound, do you mean that it does a lot of file creation / deletion
or that it does a lot of I/O within a few large files?
Mike "Silby" Silbersack
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