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--- memory:out_of_memory_killer [2016/07/12 15:11] – created peter
+++ memory:out_of_memory_killer [2019/11/30 14:13] (current) – removed peter
@@ Line 1: / Line 1: @@
-====== Memory - Out of Memory Killer ======
-To arrange that processes started by 'x' or 'y' are killed before anything else gets killed.
-The OOM-killer is buried deep inside the kernel and has a very obscure algorithm,
-How do I use **oom_score_adj**?
-/proc/[pid] contains oom_score_adj
-Adjust the score using the /proc/$(pidof mysqld)/oom_score_adj file to give the kernel some clue
-man proc describes the old oom_adj.
-This is possible in Ubuntu using Upstart and the oom score configuration option.
-===== Out of Memory (oom) score =====
-Linux has an "Out of Memory" killer facility.
-Normally the OOM killer regards all processes equally, this stanza advises the kernel to treat this job differently.
-The "adjustment" value provided to this stanza may be an integer value from -999 (very unlikely to be killed by the OOM killer) up to 1000 (very likely to be killed by the OOM killer).
-Example:
-# This application is a "resource hog"
-oom score 1000
-expect daemon
-respawn
-exec /usr/bin/leaky-app