Perhaps another data point that might ring a bell. While using 3.0.21c
and monitoring direct IO vs. buffered IO (on XFS): if you see 40MBs of
direct IO you will see another 40 MBs of buffered IO on 21c that you do
not see on 14a. According to a colleague he saw this at one point in a
previous revision and thought it was a problem of an extraneous sync
somewhere.... This might explain why you don't see this with your ram disk.
Thanks,
Greg
Greg Dickie wrote:
So this is testing 14a and SVN on the exact same machine with the exact
same configuration. The only difference is switching samba RPM. I wanted
to get 14a numbers to cre-confirm the setup but unfortunately the KVM
seems to have gone on strike. More news as soon as possible.
Thanks,
Greg
On Wed, 2006-04-19 at 17:32 -0700, Jeremy Allison wrote:
On Wed, Apr 19, 2006 at 07:26:16PM -0400, Greg Dickie wrote:
Hi Jeremy,
Bad news I'm afraid. Doesn't seem to be much of a difference between
that svn checkout and 3.0.20. Thats just the first run on it, we'll try
and poke it some more.
Thanks alot for your work on this,
No problem. But I'm testing here on a Linux ram disk
with ext2 as a target to remove any possible variance
caused by disk activity and with iometer get equal
performance (within noise values) between 3.0.14a and
SVN SAMBA_3_0.
Jeremy.
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