[debian-mysql] Bug#841592: Bug#841592: Bug#841592: mysql-5.7: FTBFS: Tests failures

[Lars Tangvald]

----- lucas at debian.org wrote:

> On 13/11/16 at 22:59 -0800, Lars Tangvald wrote:
> > 
> > ----- lucas at debian.org wrote:
> > 
> > > > Do you have the logs from the last run?
> > > > While we could disable the test that's failing, it would be
> > > counterproductive since we can't reproduce the issue in any of
> our
> > > normal build environments.
> > > 
> > > This is the log without your patch applied
> > > 
> > > Lucas
> > 
> > Or did you mean with?
> 
> no, the log was without the patch. I did not keep the log with the
> patch
> 
> > It's failing in a different way. I think the way it's failing here
> is to do with insufficient system resources.
> 
> unlikely, that node has 64 cores and 256 GB of RAM.
>  
> Lucas

I got it backwards, then :)
A high number of cores might cause this if fs.aio-max-nr is set low (cat /proc/sys/fs/aio-max-nr | aio-nr), or rather, too low for the the parallelization used by the test run.
https://www.kernel.org/doc/Documentation/sysctl/fs.txt

--
Lars