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Re: Strange fragmentation in nearly empty filesystem

To: Eric Sandeen <sandeen@xxxxxxxxxxx>
Subject: Re: Strange fragmentation in nearly empty filesystem
From: Felix Blyakher <felixb@xxxxxxx>
Date: Tue, 27 Jan 2009 11:42:11 -0600
Cc: Carsten Oberscheid <oberscheid@xxxxxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <497F43DE.4010402@xxxxxxxxxxx>
References: <20090123102130.GB8012@xxxxxxxxxxxx> <20090124003329.GE32390@disturbed> <20090126075724.GA1753@xxxxxxxxxxxx> <497E02CD.2020000@xxxxxxxxxxx> <20090127071023.GA16511@xxxxxxxxxxxx> <20090127084034.GA16931@xxxxxxxxxxxx> <497F0C78.7060501@xxxxxxxxxxx> <20090127143724.GP16931@xxxxxxxxxxxx> <497F43DE.4010402@xxxxxxxxxxx>
On Jan 27, 2009, at 11:26 AM, Eric Sandeen wrote:

There is an -o allocsize=<number> which controls how much is
speculatively allocated off the end of a file; in some cases it could
help but I'm not sure it would in this case.

"the end of a file" is the key for this option.
Wouldn't help in case of writing into the sparse file.

Felix

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