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Re: cpu i/o wait state bug?

From: Joseph Miller <joseph_at_tidetamerboatlifts.com>
Date: Sat, 4 Dec 2004 15:16:00 -0500

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I'm currently using curl v7.11.1 as packaged for Fedora Core 2. I didn't
upgrade because of the way packaging works and all that crap for the Fedora
systems. However, I would happily upgrade if anyone thinks it will make a
difference.

- -Joseph

On Friday 03 December 2004 5:16 pm, Daniel Stenberg wrote:
> On Fri, 3 Dec 2004, Joseph Miller wrote:
> > this script is under a load from many users, it acts inappropriately.
> > The top command shows that my cpu is using 98%+ of its power in I/O wait,
> > over 100% of my cpu is being used (up to even 150%) and my server quits
> > responding to input.
>
> I assume you're using curl 7.12.2 on some kind of *nix system.
>
> I would suggest that you try to figure out what the curl processes are
> doing when this happens, by using strace/truss on the pid and if that shows
> nothing good enough, try run debug-built curl programs and attach gdb to a
> running one and break it to see where it is when it misbehaves.
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Received on 2004-12-04