From owner-freebsd-hackers  Sat Oct 26 11:26:42 1996
Return-Path: owner-hackers
Received: (from root@localhost)
          by freefall.freebsd.org (8.7.5/8.7.3) id LAA19684
          for hackers-outgoing; Sat, 26 Oct 1996 11:26:42 -0700 (PDT)
Received: from critter.tfs.com (disn1.cybercity.dk [194.16.57.1])
          by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id LAA19658;
          Sat, 26 Oct 1996 11:26:32 -0700 (PDT)
Received: from critter.tfs.com (localhost.tfs.com [127.0.0.1]) by critter.tfs.com (8.7.5/8.7.3) with ESMTP id UAA17439; Sat, 26 Oct 1996 20:26:57 +0200 (MET DST)
To: Joe Greco <jgreco@solaria.sol.net>
cc: jgreco@ns.sol.net, hackers@FreeBSD.org
Subject: Re: HELP! :-( Hitting datasize limit 
In-reply-to: Your message of "Sat, 26 Oct 1996 12:31:19 CDT."
             <199610261731.MAA08279@solaria.sol.net> 
Date: Sat, 26 Oct 1996 20:26:57 +0200
Message-ID: <17437.846354417@critter.tfs.com>
From: Poul-Henning Kamp <phk@critter.tfs.com>
Sender: owner-hackers@FreeBSD.org
X-Loop: FreeBSD.org
Precedence: bulk

In message <199610261731.MAA08279@solaria.sol.net>, Joe Greco writes:

>> You may want to
>> 
>> 	ln -sf H /etc/malloc.conf
>> 
>> I've not gotten a complete picture, but people indicate that it helps
>> a little bit.
>
>Hi Poul,
>
>I did not mean to imply that I think it has ANYTHING to do with 
>phkmalloc...  the growth in size is EXPECTED...

I know, I just wanted to help you :-)

>innd allocates per-channel receive buffers.  When the maximum allowed
>size for a Usenet article is 1MB and you have fifty inbound NNTP channels,
>it is reasonable to expect that the receive buffer for each channel will
>eventually need to be grown close to 1MB to allow for the large 
>alt.binaries articles that everyone shovels around.

Hmm, does it realloc them back down again ?

If it does then the 'H' trick should work even better, what happens
is that it calls madvise(MADV_FREE) on free(3)'ed pages.

--
Poul-Henning Kamp           | phk@FreeBSD.ORG       FreeBSD Core-team.
http://www.freebsd.org/~phk | phk@login.dknet.dk    Private mailbox.
whois: [PHK]                | phk@ref.tfs.com       TRW Financial Systems, Inc.
Future will arrive by its own means, progress not so.