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Date:      Thu, 31 Aug 2006 16:16:57 -0400 (EDT)
From:      John Von Essen <john@essenz.com>
To:        Jaco Engelbrecht <bje@serendipity.org.za>
Cc:        freebsd-isp@freebsd.org
Subject:   Re: Question about a high load BIND server setup...
Message-ID:  <20060831161529.R84804@beck.quonix.net>
In-Reply-To: <20060831111244.GB21249@serendipity.org.za>
References:  <mailman.11210.1156956840.654.freebsd-isp@freebsd.org> <20060830135428.U95055@beck.quonix.net> <20060831111244.GB21249@serendipity.org.za>

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Thanks.

I put those changes in. I'll see how it behaves over the next day.

One thing I noticed though, I can't run ifconfig now:

cache01# /sbin/ifconfig -a
ifconfig: socket(family 2,SOCK_DGRAM): No buffer space available

Would that have anything to do with those sysctl settings.

-John

On Thu, 31 Aug 2006, Jaco Engelbrecht wrote:

> hi John,
>
> On Wed, Aug 30, 2006 at 02:04:10PM -0400, John Von Essen wrote:
>> I just upgraded to 9.3.2 today. I have been having memory issues. For
>> starter, when the named pid grows res mem to around 500m it craps out and
>> stops resolving. The tentative fix was to restart bind every night at 2am.
>>
>> However, today, the res mem grow from 25m at startup to 500m in about 4
>> hours. Quicker then usually, so I thought maybe there was a memory leak,
>> and thats why I upgraded to the latest version of bind.
>>
>> Any ideas?
>
> Build bind with its internal memory allocator.  To to do this, change
> CONFIGURE_ARGS in /usr/ports/dns/bind9/Makefile to read like:
>
> --
> CONFIGURE_ARGS= --localstatedir=/var --disable-linux-caps \
>                --with-randomdev=/dev/random \
>                STD_CDEFINES=-DISC_MEM_USE_INTERNAL_MALLOC=1
> --
>
> make clean
> make WITH_PORT_REPLACES_BASE_BIND9=YES
> make install
>
>
> /etc/sysctl.conf settings:
>
> net.inet.raw.recvspace=128000
> net.inet.udp.recvspace=256000
> net.inet.tcp.sendspace=128000
> net.inet.tcp.recvspace=128000
> net.inet.tcp.inflight_enable=1
> kern.ipc.maxsockbuf=256000
> kern.ipc.somaxconn=2048
> net.inet.ip.intr_queue_maxlen=128
>
> Jaco
>
> --
> bje@serendipity.org.za
> the faculty of making fortuante discoveries
>



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