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Provide a feature for administrators to enable which decreases cPanel services OOM susceptibility

cp_Sky shared this idea 4 years ago
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It may be useful for some administrators that do not configure overcommit and OOM Killer features in Linux, to have such a setting for cPanel which could provide some form of granular control over some services (such as cpsrvd/backups/tailwatchd). For instance, if they consider such services to be important enough to prioritize, the new interface could utilize oom_adjust for selected services to prevent them being killed if their overcommit setting allowed.

https://www.kernel.org/doc/Documentation/filesystems/proc.txt (See: 3.1 /proc/<pid>/oom_adj & /proc/<pid>/oom_score_adj- Adjust the oom-killer score)

http://blog.fpmurphy.com/2014/12/out-of-memory-killer.html#sthash.6cCtPtGG.dpbs

https://lwn.net/Articles/317814/

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