On Mon, 29 Jul 2013 10:19:21 -0500 (CDT) Tim Nelson <[email protected]> wrote:
> > The physical hardware of the system is in perfect working order, with no > problems handling the I/O load. Is it possible this use case (large amounts > of very small files) is not handled correctly by the virtualization storage > layer? At this time I'm using the 'RAW' file format, presented as an IDE disk > to the VM. > Have you tried switching disk bus from IDE to virtio or even SATA? A lot of small files on IDE (no NCQ) would stretch the IDE bus to its limits. You should try virtio since this will increase performance immediately with 15-50% and (I assume SATA or SAS disks on the host providing storage) will add NCQ since virtio gives direct access to the disk bus. -- Hilsen/Regards Michael Rasmussen Get my public GnuPG keys: michael <at> rasmussen <dot> cc http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xD3C9A00E mir <at> datanom <dot> net http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE501F51C mir <at> miras <dot> org http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE3E80917 -------------------------------------------------------------- Basically my wife was immature. I'd be at home in the bath and she'd come in and sink my boats. -- Woody Allen
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