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From: Brian Gerst <bgerst@didntduck.org>
To: Gregory Ade <gkade@bigbrother.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.2.x process limits (NR_TASKS)?
Date: Thu, 18 Oct 2001 15:04:53 -0400	[thread overview]
Message-ID: <3BCF27D5.CE4C53DE@didntduck.org> (raw)
In-Reply-To: <Pine.LNX.4.33.0110181139380.30308-100000@tigger.unnerving.org>

Gregory Ade wrote:
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> We're running into what appears to be a 256-process-per-user limit on one
> of our webservers, due to the number of processes running as a specific
> user for our application.  I'd like to increase the process limit, and
> *THINK* that to do so i need to increase NR_TASKS in
> /usr/src/linux/include/linux/tasks.h.
> 
> Is this correct?  What other things do I need to watch out for when making
> this modification?
> 
> Also, where can this limit be changed in 2.4.x?
> 
> Thanks ahead of time.
> 

2.2.x has a hard limit of 512 tasks on the x86 because it uses hardware
task switching.  2.4.x allows an unlimited number of tasks, and is
configurable via /proc/sys/kernel/threads-max and ulimit.

--

				Brian Gerst

  reply	other threads:[~2001-10-18 19:05 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-10-18 18:42 Gregory Ade
2001-10-18 19:04 ` Brian Gerst [this message]
2001-10-18 19:13   ` Mark Zealey
2001-10-18 19:38     ` Brian Gerst
2001-10-21 15:42   ` Alan Cox
2001-10-18 19:29 ` Miquel van Smoorenburg

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