"John M. Harris Jr" <johnmh(a)splentity.com> writes:
On Friday, January 3, 2020 1:51:00 PM MST Robbie Harwood wrote:
> Robbie Harwood <rharwood(a)redhat.com> writes:
>> Ben Cotton <bcotton(a)redhat.com> writes:
>>> == Summary ==
>>> Install earlyoom package, and enable it by default. This will cause
>>> the kernel oomkiller to trigger sooner, but will not affect which
>>> process it chooses to kill off. The idea is to recover from out of
>>> memory situations sooner, rather than the typical complete system hang
>>> in which the user has no other choice but to force power off.
>>> # enable earlyoom by default on workstation
>>> enable earlyoom.service
>> The OOM killer is a kernel function. I have no opinion on this proposal
>> as it stands, but I would like it to include an explanation of why this
>> requires a service in userspace to fix.
> Another thought. Wouldn't some of the pain here be alleviated by
> setting vm.swappiness=0? Currently it seems to be 60, which results
> in somewhat aggressive swap use; 1 seems better (minimal swapping
> without disabling), while 0 will disable it for general use (while
> preserving it for hibernation). This would at least improve the disk
> thrashing during OOM situations.
To clarify, according to the Workstation group, hibernation isn't even
If that's true - and I don't know how I'd check it, so I didn't - we
should revisit enabling swap in the default install, and *definitely*
should remove the warning for not having it from anaconda.