dean gaudet wrote:
On Tue, 22 Feb 2005, Michael Tokarev wrote:
When debugging some other problem, I noticied that
direct-io (O_DIRECT) write speed on a software raid5
is terrible slow. Here's a small table just to show
the idea (not numbers by itself as they vary from system
to system but how
Michael Tokarev [EMAIL PROTECTED] wrote:
(note raid5 performs faster than a single drive, it's expectable
as it is possible to write to several drives in parallel).
Each raid5 write must include at least ONE write to a target. I think
you're saying that the writes go to different targets from
Michael Tokarev [EMAIL PROTECTED] wrote:
When debugging some other problem, I noticied that
direct-io (O_DIRECT) write speed on a software raid5
And normal write speed (over 10 times the size of ram)?
is terrible slow. Here's a small table just to show
the idea (not numbers by itself as
Peter T. Breuer wrote:
Michael Tokarev [EMAIL PROTECTED] wrote:
When debugging some other problem, I noticied that
direct-io (O_DIRECT) write speed on a software raid5
And normal write speed (over 10 times the size of ram)?
There's no such term as normal write speed in this context
in my