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From: "Peter Wächtler" <pwaechtler@loewe-komp.de>
To: Bill Davidsen <davidsen@tmr.com>
Cc: James Bourne <jbourne@MtRoyal.AB.CA>,
	Davide Libenzi <davidel@xmailserver.org>,
	David Schwartz <davids@webmaster.com>,
	joeja@mindspring.com,
	"linux-kernel@vger.redhat.com" <linux-kernel@vger.kernel.org>
Subject: Re: max number of threads on a system
Date: Mon, 25 Mar 2002 10:10:49 +0100	[thread overview]
Message-ID: <3C9EE999.4070106@loewe-komp.de> (raw)
In-Reply-To: <Pine.LNX.4.44.0203220840280.14699-100000@skuld.mtroyal.ab.ca> <Pine.LNX.3.96.1020322221213.24536A-100000@gatekeeper.tmr.com>

Bill Davidsen wrote:

> On Fri, 22 Mar 2002, James Bourne wrote:
> 
> 
>>One thing to note here, using pthreads there is a limit of 1024
>>threads per process.  There are patches to glibc to increase this
>>to a larger number (4096 or 8192).
>>
> 
>   Haven't checked to see the limit in NGPT, but I haven't hit it ;-)
> 

There is another limit creeping in: pthread mmap()s 2 MB
of stack for each thread. So you run out of address space
on 32 bit systems with threads > 1024 (and smaller)






  reply	other threads:[~2002-03-25  9:13 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-03-22  1:05 max number of threads on a system joeja
2002-03-22  5:49 ` David Schwartz
2002-03-22  6:02   ` Davide Libenzi
2002-03-22 15:34     ` Bill Davidsen
2002-03-22 15:42       ` James Bourne
2002-03-23  3:14         ` Bill Davidsen
2002-03-25  9:10           ` Peter Wächtler [this message]
2002-03-22 17:35       ` Davide Libenzi

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