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From: Olivier Bonvalet <btrfs.list@daevel.fr>
To: Hubert Kario <hka@qbs.com.pl>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: btrfs-convert processing time
Date: Mon, 20 Feb 2012 14:41:33 +0100	[thread overview]
Message-ID: <4F424D8D.4030802@daevel.fr> (raw)
In-Reply-To: <20458953.qbO19NXijp@k85hala03>

On 20/02/2012 14:20, Hubert Kario wrote:
> On Monday 20 of February 2012 13:51:29 Olivier Bonvalet wrote:
>> Hi,
>>
>> I'm trying to convert two ext4 FS to btrfs, but I'm surprised by the
>> time needed to do that conversion.
>>
>> The first FS is on a 500GiB block device, and btrfs-convert is running
>> since more than 48h :
>> root      1978 25.6 47.7 748308 732556 ?       D    Feb18 944:44
>> btrfs-convert /dev/vg-backup/backup
>>
>> The second is on a 340GiB block device, and the processing time is similar :
>> root     30192  5.2  3.0  73180 61520 pts/0    R    Feb18 121:04
>> btrfs-convert /dev/vg-balor/backup
>>
>>
>> Is it "normal", or is there a problem during the processing ?
>>
>> Thanks,
>> Olivier
>
> How much free space did those FS have? How many files were on them (was they
> dominated by small or large files)?
>
> Regards,


Lot of small files (like compressed email from Maildir), and lot of 
hardlinks, and probably low free space (near 15% I suppose).


So I think I have my answer :)

Thanks

  reply	other threads:[~2012-02-20 13:41 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-20 12:51 btrfs-convert processing time Olivier Bonvalet
2012-02-20 13:20 ` Hubert Kario
2012-02-20 13:41   ` Olivier Bonvalet [this message]
2012-02-20 13:50     ` Hubert Kario
2012-02-20 14:00       ` Fajar A. Nugraha
2012-02-20 14:12         ` Hubert Kario
2012-02-20 14:29         ` Olivier Bonvalet
2012-02-21  5:51           ` Fajar A. Nugraha
2012-02-22 16:55             ` Olivier Bonvalet
2012-03-30 19:23               ` Olivier Bonvalet
2012-03-31 20:50                 ` Hubert Kario
2012-02-20 13:21 ` Hubert Kario

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