The out-of-swap killer makes poor choices

[Thierry Thomas]

Le mer. 24 févr. 21 à 13:02:14 +0100, Olivier Certner <olivier.freebsd at free.fr>
 écrivait :

> Hi,

Hello,

> 2 to 3 years ago, I stumbled against production problems on servers doing 
> heavy computations. Only a few processes (2 generally) were doing them, and 
> most of the time consumed less than 1/4 of the available RAM (2 GiB). Apart 
> from that, no other process was allocating any significant amount of memory. 
> Only some base default daemons (syslogd, cron) and sshd were running. 
> Occasionally, very big jobs would come, and one or more of these processes 
> would start eating up all available memory, until FreeBSD decided that it was 
> time to take action.

For such cases, another solution exists on Linux to dynamically enlarge
the swap partition (something like dphys-swapfile or SwapSpace - see
<https://github.com/Tookmund/Swapspace> ), but I do not know if such a
tool exists on FreeBSD?
-- 
Th. Thomas.
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