Re: [BUG] 2.4 VM sucks. Again

Johannes Erdfelt (johannes@erdfelt.com)
Thu, 23 May 2002 12:03:03 -0400


On Thu, May 23, 2002, Roy Sigurd Karlsbakk <roy@karlsbakk.net> wrote:
> I've been here complaining about the 2.4 VM before, and here I am, back again.
>
> PROBLEM:
> ----------------------
> Starting up 30 downloads from a custom HTTP server (or Tux - or Apache -
> doesn't matter), file size is 3-6GB, download speed = ~4.5Mbps. After some
> time the kernel (a) goes bOOM (out of memory) if not having any swap, or (b)
> goes gong swapping out anything it can.
>
> The custom HTTP server processes each have a static buffer of two megabytes,
> no malloc()s, and are written in < 1000 lines of C.
>
> Theory: The buffer fills up, as the clients can't read as fast as kernel is
> reading from disk, and the server goes boom
>
> thanks for any help

What kernel is this?

JE

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