[rrd-developers] striping - initial observations

Sebastian Harl sh at tokkee.org
Mon Oct 27 23:45:24 CET 2008

Hi Daniel,

On Wed, Oct 22, 2008 at 01:54:48PM +0100, Daniel.Pocock at barclayscapital.com wrote:
> - Using striping without rrdcached, the average IO request size becomes
> even bigger: from 8 sectors up to about 50 sectors.

It would be very interesting how rrdcached behaves without striping but
using very "aggressive" caching, i.e. something like a day or so. Did
you test that as well? It would be particularly interesting how this
compares to the same setup but striping enabled. I could imagine that,
in that case, striping does not further improve IO load very much.


Sebastian "tokkee" Harl +++ GnuPG-ID: 0x8501C7FC +++ http://tokkee.org/

Those who would give up Essential Liberty to purchase a little Temporary
Safety, deserve neither Liberty nor Safety.         -- Benjamin Franklin

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