Robbie Harwood <rharw...@redhat.com> writes: > Ben Cotton <bcot...@redhat.com> writes: > >> https://fedoraproject.org/wiki/Changes/EnableEarlyoom >> >> == 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 >> </pre> > > 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. Thanks, --Robbie
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