Samba4 and memory consumption - needing frequent kills

[Ricky Nance]

Glad I could help.
Thank you guys for all the hard work you have done on this!

Ricky

On Tue, Aug 14, 2012 at 9:22 PM, Andrew Bartlett <abartlet at samba.org> wrote:

> On Sat, 2012-08-11 at 17:00 +1000, Andrew Bartlett wrote:
> > On Thu, 2012-08-09 at 17:08 +1000, Andrew Bartlett wrote:
> > > On Wed, 2012-08-08 at 21:04 +0200, Arvid Requate wrote:
> > > > Hello Kev,
> > > >
> > > > maybe you are facing the same issue here as reported in
> > > > https://bugzilla.samba.org/show_bug.cgi?id=8827 ?
> > >
> > > As I've just commented on the bug, I need a --leak-report-full rather
> > > than just --leak-report.
> > >
> > > Also, if that does not show the cause, perhaps instead of shutting down
> > > the server run with --leak-report-full, then attach to the large
> process
> > > with:
> >
> > Given the issues with the memory dumps being repeated in overwealming
> > detail, here is a new instruction:
> >
> > Run samba as:
> >
> > gdb --args samba -M single --leak-report
> >
> > Then:
> >
> > run
> >
> > When it becomes large, run
> >
> > p talloc_report_full(0, stderr)
> >
> > and mail me *only* the output of that command, not the earlier or later
> output.
> >
> > The issue with the previous logs is that the same allocation (present in
> > multiple forked children) was being logged multiple times, as each child
> > exited.  This caused the massive log buildup, without giving me much
> > more information.
> >
> > You may replace stderr with a file on disk with something like:
> >
> > p talloc_report_full(0, fopen("/tmp/leak.txt", "w")
> >
> > Hopefully this will give you and me the information we need.
>
> Thanks to Ricky Nace who was able to provide me with exactly this (on a
> standard process modal run it turns out), I've been able to fix this.
>
> For sites running older Samba betas, this patch series might be helpful.
> Specifically, it should be tested and worked into things like the debian
> packages, as they are stuck at beta2.
>
> Andrew Bartlett
>
> --
> Andrew Bartlett                                http://samba.org/~abartlet/
> Authentication Developer, Samba Team           http://samba.org
>
>


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