aaPanel_Kern
Here's the output of the command above:
grep -i 'killed' /var/log/messages
journalctl | grep -i 'killed'
[114547.531022] site_total invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0
[114547.531221] oom_kill_process+0x10d/0x1c0
[114547.531233] __alloc_pages_may_oom+0x112/0x1e0
[114547.533088] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name
[114547.538624] [ 76823] 0 76823 2559 96 61440 96 0 mysqld_safe
[114547.538630] [ 77947] 1001 77947 5506372 3725834 36855808 723436 0 mysqld
[114547.539590] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/system.slice/mysqld.service,task=mysqld,pid=77947,uid=1001
[114547.546543] Out of memory: Killed process 77947 (mysqld) total-vm:22025488kB, anon-rss:14902568kB, file-rss:1024kB, shmem-rss:0kB, UID:1001 pgtables:35992kB oom_score_adj:0
[114551.142811] oom_reaper: reaped process 77947 (mysqld), now anon-rss:0kB, file-rss:208kB, shmem-rss:0kB
grep: /var/log/messages: No such file or directory
Jul 25 14:14:57 myserver kernel: Out of memory: Killed process 77947 (mysqld) total-vm:22025488kB, anon-rss:14902568kB, file-rss:1024kB, shmem-rss:0kB, UID:1001 pgtables:35992kB oom_score_adj:0
Jul 25 14:14:57 myserver systemd[1]: mysqld.service: A process of this unit has been killed by the OOM killer.
Jul 25 14:15:01 myserver mysqld[76823]: /www/server/mysql/bin/mysqld_safe: line 198: 77947 Killed nohup /www/server/mysql/bin/mysqld --basedir=/www/server/mysql --datadir=/www/server/data --plugin-dir=/www/server/mysql/lib/plugin --user=mysql --log-error=myserver.err --open-files-limit=65535 --pid-file=/www/server/data/myserver.pid --socket=/tmp/mysql.sock --port=3306 < /dev/null > /dev/null 2>&1
