Messages in this thread | | | Date | Thu, 9 Mar 2000 01:12:51 +0100 (CET) | From | Nicolas MONNET <> | Subject | Re: Linux responsiveness under heavy load |
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Hi,
This was on 2.2.14-15mdk (Mandrake 7.0)
I will try to reproduce the bug ASAP, and will try the patch as well.
Thanks for the help.
On Thu, 9 Mar 2000, Andrea Arcangeli wrote:
|Date: Thu, 9 Mar 2000 00:07:52 +0100 (CET) |From: Andrea Arcangeli <andrea@suse.de> |To: Nicolas MONNET <nico@monnet.to> |Cc: linux-kernel@vger.rutgers.edu |Subject: Re: Linux responsiveness under heavy load | |On Wed, 8 Mar 2000, Nicolas MONNET wrote: | |>I've noticed that under heavy loads, and actually, not so heavy loads, |>Linux's responsiveness is effectively very poor. | |Which kernel version are you using? | |>[..] The |>system isn't even swapping, [..] | |Supposing you are using 2.2.x if it wasn't VM related it's probably the |elevator starvation thing. Could you try again with 2.2.14aa10 (it |includes elevator-starvation-6.gz): | | ftp://ftp.*.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.2/2.2.14aa10.gz | |For reference the elevator-starvation-6.gz patch alone is here: | | ftp://ftp.*.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.2/2.2.14aa10/elevator-starvation-6.gz | |>It's not like there's a bunch of runaway processe: at most, 5 processes |>are running. | |To be sure about what's going on could you provide me a `vmstat 1` log |of before/during/after the performance drop?
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