Directory Leasing feature in Samba smbd
krishna.harathi at storagecraft.com
Mon Aug 24 18:58:45 UTC 2020
A more dominant issue of lack of directory lease support in smbd surfaced while looking into UNC vs mapped drive performance.
As per Samba Wiki, this directory leasing feature is not planned anytime soon. Let me know otherwise.
I may be able to spend some time working on this feature, once I get a better idea of what it takes to implement.
I have read the high-level notes at https://wiki.samba.org/index.php/Samba3/SMB2#Directory_Leases
I appreciate any comments on this topic at this time, mostly checking to see the forum's interest to chart out the next level of details.
On 8/3/20, 5:23 PM, "Krishna Harathi" <krishna.harathi at storagecraft.com> wrote:
I am still waiting to get more information including tcpdump from the customer.
This email thread appears to be somewhat related, but I did not find any follow-up responses.
Any comments on this?
On 7/28/20, 4:09 PM, "Krishna Harathi" <krishna.harathi at storagecraft.com> wrote:
Yes, the same client connecting to the same server name/address both times within a few mins of each other.
I will try to get tcpdump captures for both as well as DNS lookup times.
On 7/28/20, 3:24 PM, "Jeremy Allison" <jra at samba.org> wrote:
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On Tue, Jul 28, 2020 at 10:21:12PM +0000, Krishna Harathi via samba-technical wrote:
> We are using Samba 4.7.11.
> One of our customers is reporting that with Windows 7, 10 Explorer, connecting using Mapped Drive is taking 10 seconds are more compared to using a UNC path.
> I am not an expert in this area, and I started investigating the difference between the two methods to identify and improve any bottlenecks especially in the filesystem underneath Samba.
> Given the overwhelming number of variables/parameters in this context, I would very much appreciate this group’s collective expertise on pointing out any known issues to look out for.
DNS/naming resolution lookup times ? Are they connecting to
exactly the same name ?
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