[PATCHES] SMB3 Multi-Channel: connection passing and enablement
obnox at samba.org
Wed Feb 10 14:31:49 UTC 2016
On 2016-02-10 at 14:00 +0000, Youzhong Yang wrote:
> > Could well be that some buffers are filled on the
> > Windows/receiving side and a disk is becoming a bottleneck?
> This is exactly what we found out. I wrote a Windows program to
> read from Samba with no writing to local disk, I saw two NICs
> were receiving data almost in full line speed.
Wow, happy to hear that my guess hit the root. :-)
> We've also tested this Multi-Channel version using our build
> and test system and some Windows 10 hosts, so far so good,
> there's no issue found.
> This MC feature is really nice! I am just wondering why it
> can't get into Samba 4.4.
There are a few things we know are missing before we can
offer the enablement switch. These relate to cannel failures
while smb traffic is in flight. (channel sequence numbers and
protection for oplock breacks, to name the most important ones.)
We are working on these and plan to bring them and also
the config switch into 4.4 before 4.4.0 final!
> Please let me know if you'd have anything particular that needs
> us to test.
Thanks, I will certainly come back to you.
Cheers - Michael
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