Hi,
thank you all for these interesting explanations.
I've made some more tests with my disks :
As you'll see, for block size greater than 64k, the HDD ad6 (hitachi)
is the bottleneck.
bs of 1m and 512k yield to best transfert rates between ad4 and ad6
and using a pipe between to dd will low
In 2003, Jonathan Lemon added initial support for direct dispatch of
netisr handlers from the calling thread, as part of his DARPA/NAI Labs
contract in the DARPA CHATS research program. Over the last two years
since then, Sam Leffler and I have worked to refine this implementation,
removing
On Tue, Oct 04, 2005 at 02:14:48PM +0200, Poul-Henning Kamp wrote:
+> Second issue: issuing intelligently sized/aligned requests.
+>
+> Notwithstanding the above, it makes sense to issue requests that
+> work as efficient as possible further down the GEOM mesh.
+>
+> The chopping is one case, and
