On Fri, Dec 16, 2011 at 09:51:56AM +0100, Tobias wrote: > 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? Yes. Deleting a file involves visiting the metadata for every extent (i.e. fragment) and updating it to reduce the reference count and possibly free up the space -- which itself involves more writes, as the free space cache is updated. > 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? Hugo. -- === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 515C238D from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- UNIX: Italian pen maker. ---
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