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From: Silviu Marin-Caea <silviu@genesys.ro>
To: unlisted-recipients:; (no To-header on input)
Cc: linux-kernel@vger.kernel.org
Subject: Re: dynamic allocation of swap disk space
Date: Mon, 10 May 2004 13:22:41 +0300	[thread overview]
Message-ID: <409F57F1.2060803@genesys.ro> (raw)
In-Reply-To: <200405101003.i4AA3uJt000135@81-2-122-30.bradfords.org.uk>

John Bradford wrote:

>>The way I see the solution is: allocate swap space dynamically, until
>>there is no need for more or the disk becomes nearly full.  If that
>>happens, then start thrashing it, all right.  Then when the condition is
>>gone and things are back to normal deallocate the additional swap.
> 
> 
> Very bad idea in my opinion.

Most likely quite so, I'm not a guru yet :-)

> Over allocating swap space is a BAD practice, but the effects are usually not

How about dynamically allocating up to a certain limit.

Say, you have 256 MB or even less (to save space), and you allocate when 
needed up to 1 GB, then stop allocating, thrash disk, let the kernel 
detect and kill the runaway process.

  reply	other threads:[~2004-05-10 10:21 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-10  8:50 dynamic allocation of swap disk space Silviu Marin-Caea
2004-05-10 10:03 ` John Bradford
2004-05-10 10:22   ` Silviu Marin-Caea [this message]
2004-05-10 20:28     ` Paul Jackson
     [not found] <fa.n6pggn5.84en31@ifi.uio.no>
2004-05-11 15:22 ` Ray Bryant
2004-05-11 15:52   ` John Bradford
2004-05-11 15:54     ` Valdis.Kletnieks
2004-05-11 16:39       ` John Bradford
2004-05-11 16:28     ` Ray Bryant
2004-05-12  6:56     ` Silviu Marin-Caea
2004-05-11 16:00   ` Oliver Neukum

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