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From: John Weekes <lists.xen@nuclearfallout.net>
To: xen-devel@lists.xensource.com
Subject: Re: OOM problems
Date: Sat, 13 Nov 2010 01:43:37 -0800	[thread overview]
Message-ID: <4CDE5DC9.3040303@nuclearfallout.net> (raw)
In-Reply-To: <4FA716B1526C7C4DB0375C6DADBC4EA38D80702C2E@LONPMAILBOX01.citrite.net>


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On 11/13/2010 1:13 AM, Ian Pratt wrote:
>> >  What do the guests use for storage? (e.g. "blktap2 for VHD files on
>> an iscsi mounted ext3 volume")
>>
>> Simple sparse .img files on a local ext4 RAID volume, using "file:".
> Ah, if you're using loop it may be that you're just filling memory 
> with dirty pages. Older kernels certainly did this, not sure about 
> newer ones.
>
> I'd be inclined to use blktap2 in raw file mode, with "aio:".
>
> Ian

That makes sense. tap/tap2 didn't work for me in prior releases, so I 
had to stick to file. It seems to work now (well, tap2:tapdisk:aio does; 
tap:tapdisk:aio still doesn't), so I'll switch everything over to it, 
and cross my fingers.

-John

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  reply	other threads:[~2010-11-13  9:43 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-13  7:57 OOM problems John Weekes
2010-11-13  8:14 ` Ian Pratt
2010-11-13  8:27   ` John Weekes
2010-11-13  9:13     ` Ian Pratt
2010-11-13  9:43       ` John Weekes [this message]
2010-11-13 10:19       ` John Weekes
2010-11-14  9:53         ` Daniel Stodden
2010-11-15  8:55       ` Jan Beulich
2010-11-15  9:40         ` Daniel Stodden
2010-11-15  9:57           ` Jan Beulich
2010-11-15 17:59           ` John Weekes
2010-11-16 19:54             ` John Weekes
2010-11-17 20:10               ` Ian Pratt
2010-11-17 22:02                 ` John Weekes
2010-11-18  0:56                   ` Ian Pratt
2010-11-18  1:23                   ` Daniel Stodden
2010-11-18  3:29                     ` John Weekes
2010-11-18  4:08                       ` Daniel Stodden
2010-11-18  7:15                         ` John Weekes
2010-11-18 10:41                           ` Daniel Stodden
2010-11-19  7:27                             ` John Weekes
2010-11-15 14:17         ` Stefano Stabellini
2010-11-13 18:15 ` George Shuklin

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