[Samba] Debugging a performance issue

Stefan G. Weichinger lists at xunil.at
Fri Apr 2 12:32:32 UTC 2021

Am 30.03.21 um 10:04 schrieb Stefan G. Weichinger via samba:
> Am 29.03.21 um 19:38 schrieb Jeremy Allison:
>>> But I don't think it should be minutes versus seconds, right?
>> Need more details I'm afraid. "specific tasks...that take a few minutes"
>> isn't enough to go on, sorry.
> Yes, I understand!
> I also don't know much about what they do. Basically they have several 
> filebased databases opened, files like
> BL6F.IX (index, I assume)
> and some .DIA files
> That's small files, one whole subdir is maybe 20M per customer.
> And the tasks are some processing in their software, which will result 
> in much read/write in all the above files.
> My assumption is that the locking behavior might influence the overall 
> time needed here. That's why I excluded the DAT files via "veto oplock 
> files", but that was years ago.
> What's the general recommendation here, especially with Windows10 clients?

Update: removing that "veto oplock files" statement improved the overall 
behavior. Customer is happy again.

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