[Samba] samba v3 slow with 'security = server'

[Spike Burkhardt]

Anthony,

  I don't think changing authentication to 'security = Domain' would help a
performance problem.  I'd make sure that you're not running into memory,
disk or network congestion problems.  I forget the number but there is a
recommended amount of memory/user so knowing the number of connections is
important.  Memory usage can make a huge difference in a Solaris
environment.  Make sure there hasn't been any changes in usage either. There
are lots of areas that could affect this but those would be my starting
points.

spike

Anthony Iano-Fletcher wrote:

> We were running samba v2.2.x with the 'security = server' option and
> everything worked wonderfully.
>
> We upgraded to samba 3.0.10 with the same configuration. Everything
> still works but it's very very slow. Opening a file can take 15 to 30
> seconds or more. I changed the security option to 'user' and everything
> is fast again.  Clearly something has changed between 2.x.x and 3.x.x to
> slow this down immensely.
>
> Is there any way we can run with security set to server but cache the
> results of the server conversation? Am I missing a new option that can
> set?
>
> Would 'security = Domain' help? or will it suffer from the same issue.
>
>                         Anthony.
>
> --
> Anthony R Iano-Fletcher
>   Room 2033, Building 12A,        http://dcb.cit.nih.gov/~arif
>   National Institutes of Health,  Anthony.Iano-Fletcher at nih.gov
>   12A South Drive, Bethesda,      Phone: (+1) 301 402 1741.
>   MD 20892-5624, USA.
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