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Date: Sun, 23 Oct 2005 04:29:48 -0400
From: Kris Kennaway <kris@obsecurity.org>
To: Vladimir Sharun <sharun@ukr.net>, freebsd-stable@freebsd.org
Message-ID: <20051023082948.GA90034@xor.obsecurity.org>
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Subject: Re: kmem_malloc(4096): kmem_map too small: 536870912 total allocated
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On Sun, Oct 23, 2005 at 11:21:10AM +0300, Vladimir Sharun wrote:
> Kris Kennaway wrote:
>  KK> On Sun, Oct 23, 2005 at 10:43:42AM +0300, Vladimir Sharun wrote:
> >> We have 2xOpteron/2Gb RAM server with extrensive disk load. Every week=
 or two
> >> it suddenly hangs with "kmem_malloc(4096): kmem_map too small 335bla-b=
la allocated".=20
> >> I look onto handbook and put vm.kmem_size_max=3D"536870912" onto /boot=
/loader.conf.
> >> Today was the same with the new parameters. Is there any other solutio=
ns ?
>=20
>  KK> If that's not enough, try making it larger.
>=20
> On what size we can be sure, that "that's enough" ?

It depends on your workload, so keep increasing it until the problem
stops or you discover that you need more RAM to handle your workload.

Kris

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