Re: 2.3.99pre5: one process monopolizing network traffic

From: Andi Kleen (ak@suse.de)
Date: Wed Apr 26 2000 - 18:44:51 EST


Christoph Lameter <christoph@lameter.com> writes:

> I have seen it repeatedly
>
> One process is doing heavy i/o
>
> Other processes can no longer access the network.
>
> i.e. finger @ftp.kernel.org keeps stalling, ssh connections not
> established etc. Irc is getting extremely bursty.
>
> If I get 2.2.14 up all will be fine.

Where does the network process hang (check with ps -eo pid,args,wchan) ?

It probably cannot get a free page to send the packet and is waiting for
memory.

-Andi

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