Need for cleanup of idle winbindd child processes...

[Jeremy Allison]

On Thu, Mar 27, 2014 at 03:56:32PM +0100, David Disseldorp wrote:
> Hi Ravindra,
> 
> On Thu, 27 Mar 2014 14:25:01 +0000, Ravindra Channabasappa wrote:
> 
> > If we enable trusted domain flag and there are 10 trusted domains, the number of processes increase (10x10) under load. Once started these processes do not exit. Also, it is observed in our setup that the memory consumed by these child processes keeps on increasing (for every load test run) without any sign of reducing. This has performance implications as we successively run load test on the winbindd daemon.
> 
> Do you have any "smbcontrol <pid> pool-usage" dumps, or valgrind logs
> showing the memory leak?

Yep. Fixing the memory leak would be preferable :-).
Finding it comes first..

> I'd prefer something like...
> 
> 3. Attach a tevent timer to the child process, which is re-initialized
>    on ~every request. When the timer fires after a period of inactivity,
>    cleanup and die.

Yes, that's much more like the way we do things
internally now.

Jeremy.