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

Robie Basak robie.basak at ubuntu.com
Mon Nov 14 11:43:57 UTC 2016


On Mon, Nov 14, 2016 at 12:31:43PM +0100, Lucas Nussbaum wrote:
> On 14/11/16 at 02:47 -0800, Lars Tangvald wrote:
> > 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
> 
> Well, it was also failing on a more standard machine. The test suite
> should be robust to that...

Should we perhaps check the sysctl knobs in debian/rules, and warn and
cap the parallelism before running the test suite if they aren't high
enough?

Robie



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