Ten to 1 expansion of SMB requests to fcntl system calls?

Jeremy Allison jra at samba.org
Thu May 23 14:52:41 MDT 2013


On Wed, May 22, 2013 at 09:04:50PM -0700, Richard Sharpe wrote:
> Hi folks,
> 
> I have been running some dbench runs using the standard client.txt
> file and using dtrace to measure system calls made by the smbd.
> 
> For ~97,000 requests (SMB1 requests) I see 1,288,252 fcntl syscalls.
> This seems excessive. Where might those be coming from?
> 
> This is a FreeBSD 8.0 system.

This is almost certainly the tdb locking primitives.


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