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Re: The Internet locks up Buster




On Thu, 7 Jun 2018 11:48:54 +0300 Reco said:
> On Thu, Jun 07, 2018 at 11:05:27AM +0300, Abdullah Ramazanoğlu wrote:
> > On Thu, 7 Jun 2018 10:52:01 +0300 Reco said:
> > 
> > [--8<--]
> >   
> > > Limit the size of dirty blocks cache. Kernel defaults are insanely large.
> > > What I'm using here is:
> > > 
> > > $ cat /etc/sysctl.d/12309.conf
> > > vm.dirty_ratio=5
> > > vm.dirty_background_ratio=5  
> > 
> > I have added the line below to /etc/crontab for different reasons (better FS
> > resilience), but it might help to circumvent this bug too.
> > 
> > * * * * * root /bin/sync  
> 
> Here our approaches differ. I'm a strong believer of 'kernel does not
> need userspace kludges' principle.
> Yours is what Red Hat is using these days - 'we wrote a userspace tool
> for that'.
> 
> To each its own, I guess.

I'm also a strong believer of 'kernel *should* not need user-space kludges'
principle. But if/when it needs, then I am not too shy to apply them.

Regards
-- 
Abdullah Ramazanoğlu