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From: David Chinner <dgc@sgi.com>
To: Cosmo Nova <cs_mcc98@hotmail.com>
Cc: linux-xfs@oss.sgi.com
Subject: Re: file system defragmentation
Date: Wed, 9 Aug 2006 09:34:25 +1000	[thread overview]
Message-ID: <20060808233425.GQ2114946@melbourne.sgi.com> (raw)
In-Reply-To: <5408752.post@talk.nabble.com>

On Wed, Jul 19, 2006 at 09:23:42PM -0700, Cosmo Nova wrote:
> 
> what is the maximum tolerance for the delayed allocations pls? I guess it's
> not possible to buf a GB size file and delay its allocation?

Sure it is. The limit on how much is buffered before writeback (and therefore
allocation) is determined by how much memory you have and your
/proc/sys/vm/dirty* tunable settings. This can range from a few MB to a few TB
of data depending on how big your machine is ;)

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group

      reply	other threads:[~2006-08-08 23:36 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4f52331f050826001612f8e323@mail.gmail.com>
     [not found] ` <20050826101131.GA24544@ii.uib.no>
     [not found]   ` <4f52331f0508260848782f240a@mail.gmail.com>
     [not found]     ` <43128F82.4010004@tlinx.org>
     [not found]       ` <4312913F.6040205@coremetrics.com>
     [not found]         ` <43311567.3060208@tlinx.org>
2006-07-17  7:36           ` file system defragmentation Cosmo Nova
2006-07-17  9:32             ` David Chatterton
2006-07-17 14:19             ` David Chinner
2006-07-18  7:59               ` Cosmo Nova
2006-07-18 21:33                 ` Chris Wedgwood
2006-07-19 10:33                   ` Cosmo Nova
2006-07-17 19:08             ` Chris Wedgwood
     [not found]     ` <E4E12CD035E14A4AB8C36E0F4B7143F7277DED@iu-mssg-mbx09.exchange.iu.edu>
     [not found]       ` <43112C5D.8090202@sgi.com>
     [not found]         ` <20050829001723.GA10587@xiao.rsnet>
2006-07-20  4:22           ` Cosmo Nova
     [not found]         ` <20050828034108.73921.qmail@web34103.mail.mud.yahoo.com>
2006-07-20  4:23           ` Cosmo Nova
2006-08-08 23:34             ` David Chinner [this message]

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