From: Magicloud Magiclouds <magicloud.magiclouds@gmail.com>
To: Hubert Kario <hka@qbs.com.pl>
Cc: linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: How to fasten btrfs?
Date: Tue, 25 Jan 2011 22:28:11 +0800 [thread overview]
Message-ID: <AANLkTik_mfFO+ciZbxuuqqRJDkOGoOW=pfjVv0au80TS@mail.gmail.com> (raw)
In-Reply-To: <201101251130.37051.hka@qbs.com.pl>
So you were saying that, even an unlink operation, the system walks
through all file data blocks? I thought unlink wouldn't have to write
too much data.
On Tue, Jan 25, 2011 at 6:30 PM, Hubert Kario <hka@qbs.com.pl> wrote:
> On Tuesday 25 of January 2011 07:45:02 Magicloud Magiclouds wrote:
>> Hi,
>> =C2=A0 I am using 2.6.36.3 kernel with btrfs, 512MB memory and a ver=
y slow
>> disk, no special options for mounting btrfs except noatime. Now I
>> found it very slow. When I rm a 5GB movie, it took 20 secs.
>
> try mounting with nodatacow and defragment the directory the file res=
ides in
>
> Regards
> --
> Hubert Kario
> QBS - Quality Business Software
> 02-656 Warszawa, ul. Ksawer=C3=B3w 30/85
> tel. +48 (22) 646-61-51, 646-74-24
> www.qbs.com.pl
>
--=20
=E7=AB=B9=E5=AF=86=E5=B2=82=E5=A6=A8=E6=B5=81=E6=B0=B4=E8=BF=87
=E5=B1=B1=E9=AB=98=E5=93=AA=E9=98=BB=E9=87=8E=E4=BA=91=E9=A3=9E
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next prev parent reply other threads:[~2011-01-25 14:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-25 6:45 How to fasten btrfs? Magicloud Magiclouds
2011-01-25 10:30 ` Hubert Kario
2011-01-25 14:28 ` Magicloud Magiclouds [this message]
2011-01-25 14:56 ` Hubert Kario
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