From: Neil Horman <nhorman@redhat.com>
To: Gareth Glaccum <verycoldpenguin@hotmail.com>
Cc: nfs@lists.sourceforge.net
Subject: Re: NFS using too much memory on diskless system
Date: Thu, 24 Feb 2005 09:56:19 -0500 [thread overview]
Message-ID: <421DEB13.8020402@redhat.com> (raw)
In-Reply-To: <BAY101-F402EAE1436EB8C3874B5D8BD640@phx.gbl>
Gareth Glaccum wrote:
> Hi Neil,
> Thanks for the pointer,
> a
> sysctl -w vm.dirty_ratio=0
> appears to have removed the problems, I shall continue to investigate this.
> Thanks,
> Gareth
>
Glad to hear it worked :)
Neil
>> From: Neil Horman <nhorman@redhat.com>
>>
>>> Is there some way of limiting the NFS cache size like there used to
>>> be in the 2.4 kernel? (see section B7 of the nfs FAQ I believe)
>>>
>>> Any ideas gratefully received,
>>> Gareth
>>>
>> It sounds to me your kernel has some sort of vm bug, but if you want
>> to shrink page cache usage, you may want to play with the dirty_vm_*
>> settings in /proc/sys/vm. I'm still getting used to the 2.6 sysctls,
>> but I believe that those settings allow you to specify when your
>> kernel decides its under sufficient memory pressure to start moving
>> data back to disk.
>>
>> HTH
>> Neil
>>
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prev parent reply other threads:[~2005-02-24 14:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-24 12:19 NFS using too much memory on diskless system Gareth Glaccum
2005-02-24 13:17 ` Bill Rugolsky Jr.
2005-02-24 14:07 ` Gareth Glaccum
2005-02-24 13:38 ` Neil Horman
2005-02-24 14:14 ` Gareth Glaccum
2005-02-24 14:56 ` Neil Horman [this message]
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