# journalctl -k | grep -i -e memory -e oom
Apr 09 16:00:14 cdp-test-server-05.bj kernel: java invoked oom-killer: gfp_mask=0xd0, order=0, oom_score_adj=0
Apr 09 16:00:14 cdp-test-server-05.bj kernel: [<ffffffff8c3ba524>] oom_kill_process+0x254/0x3d0
Apr 09 16:00:14 cdp-test-server-05.bj kernel: [<ffffffff8c435346>] mem_cgroup_oom_synchronize+0x546/0x570
Apr 09 16:00:14 cdp-test-server-05.bj kernel: [<ffffffff8c3badb4>] pagefault_out_of_memory+0x14/0x90
Apr 09 16:00:14 cdp-test-server-05.bj kernel: memory: usage 524288kB, limit 524288kB, failcnt 8430
Apr 09 16:00:14 cdp-test-server-05.bj kernel: memory+swap: usage 524288kB, limit 1048576kB, failcnt 0
Apr 09 16:00:14 cdp-test-server-05.bj kernel: Memory cgroup stats
for
/docker/3aafdee2b919fa936815fbb88ebd8bb3131c185690284491f583c62ff382b1fe: cache:20KB rss:524268KB rss_huge:0KB mapped_file:8KB swap:0KB inactive_anon:0KB active_anon:524236KB inactive_file:8KB active_file:8KB unevictable:0KB
Apr 09 16:00:14 cdp-test-server-05.bj kernel: [ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name
Apr 09 16:00:14 cdp-test-server-05.bj kernel: Memory cgroup out of memory: Kill process 10768 (java) score 1021
or
sacrifice child