Ten to 1 expansion of SMB requests to fcntl system calls?
Volker Lendecke
Volker.Lendecke at SerNet.DE
Fri May 24 00:46:25 MDT 2013
On Thu, May 23, 2013 at 01:52:41PM -0700, Jeremy Allison wrote:
> 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.
True. But which tdb and what can we do about it?
Volker
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