[PATCH] TDB traverse lock changes for massive AD DC perf improvement
slow at samba.org
Fri Apr 7 06:23:59 UTC 2017
On Fri, Apr 07, 2017 at 08:18:14AM +0200, Volker Lendecke via samba-technical wrote:
> On Fri, Apr 07, 2017 at 05:28:02PM +1200, Douglas Bagnall via samba-technical wrote:
> > I had a go at it. Attached.
> > cheers,
> > Douglas
> Thanks, looks interesting! Attached find a version with a bit of
> logging beyond strace. Unsurprisingly works fine on debian jessie. Now
> lets find someone with a Solaris box :-)
Is this the expected output?
slow at login [login]:~ > ssh unstable10x
Last login: Fri Apr 7 08:22:49 2017 from login.bo.opencs
Sun Microsystems Inc. SunOS 5.10 Generic January 2005
slow at unstable10x [global]:~ > gcc -o fcntl_deadlock fcntl_deadlock.c
slow at unstable10x [global]:~ > ./fcntl_deadlock
usage: ./fcntl_deadlock <filename>
slow at unstable10x [global]:~ > ./fcntl_deadlock fcntl_deadlock
process 1 lock ofs=0 len=2: Resource temporarily unavailable
slow at unstable10x [global]:~ >
That's on Solaris 10 x86.
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