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SubjectRe: OOM killer not nearly agressive enough?
On Thu 2020-01-09 12:56:33, Michal Hocko wrote:
> On Tue 07-01-20 21:44:12, Pavel Machek wrote:
> > Hi!
> >
> > I updated my userspace to x86-64, and now chromium likes to eat all
> > the memory and bring the system to standstill.
> >
> > Unfortunately, OOM killer does not react:
> >
> > I'm now running "ps aux", and it prints one line every 20 seconds or
> > more. Do we agree that is "unusable" system? I attempted to do kill
> > from other session.
>
> Does sysrq+f help?
>
> > Do we agree that OOM killer should have reacted way sooner?
>
> This is impossible to answer without knowing what was going on at the
> time. Was the system threshing over page cache/swap? In other words, is
> the system completely out of memory or refaulting the working set all
> the time because it doesn't fit into memory?

What statistics are best to collect? Would the memory lines from top
do the trick? I normally have gkrellm running, but I found its results
hard to interpret.

Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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