From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tobias Subject: Re: Extreme slowdown Date: Fri, 16 Dec 2011 09:51:56 +0100 Message-ID: <4EEB06AC.4070500@robotech.de> References: <4EEA4124.20907@robotech.de> <4EEAA86C.4080706@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Cc: Linux Btrfs To: Liu Bo Return-path: In-Reply-To: <4EEAA86C.4080706@cn.fujitsu.com> List-ID: Am 16.12.2011 03:09, schrieb Liu Bo: > On 12/16/2011 02:49 AM, Tobias wrote: >> Any hints how i could speed it up? >> > > I recommend to run defragment on your files, > it should help you, although defrag maybe slow, too. > When deleting files does it matter if the data is fragmented? When i do normal file-access the speed of reading is ok so until not i didn't care about fragmentation. Especially because the data isn't changes after the first write. Can i do a defrag on the metadata only? Tobias