[Samba] samba 4 DC slow users bulk load

[Nikos Mitas]

sorry, but can you give me more details about 'full build tree' ?




2013/10/7 Andrew Bartlett <abartlet at samba.org>

> On Mon, 2013-10-07 at 22:52 +0300, Nikos Mitas wrote:
> > Hello again,
> >
> > all three samba4 DC's have 16 GB RAM each and 2 sockets with 4 cores each
> > (total 8 cores each) the three DC's and the identity manager are in the
> > same VLAN.
> >
> > but today i noticed that during bulk load only one core is busy 100% and
> > the rest are idle. i was unable to run samba under TDB_NO_FSYNC=1 today.
> > maybe tomorrow.
> >
> > this is the link for the perf.data file:
> > http://www.sendspace.com/file/9g46ll
> > this is my smb.conf:
>
> The pref.data file isn't any use to me without your full build tree, so
> the best way to use it is to then run 'perf report -g' and investigate
> where the highest CPU users are, and what calls them.  (it is
> curses-based tool).
>
> The 100% busy CPU is because the LDAP server is single-threaded, so that
> isn't really unexpected.
>
> I hope this helps you make some more progress chasing this down.
>
> Andrew Bartlett
>
> --
> Andrew Bartlett
> http://samba.org/~abartlet/
> Authentication Developer, Samba Team           http://samba.org
> Samba Developer, Catalyst IT                   http://catalyst.net.nz
>
>
>