Out of Memory (OOM)

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wikipedia:Out of memory

EarlyOOM

OOM in Docker

• Docker: --oom-kill-disable=false To enable or disable OOM Killer for the container.

Use docker inspect CONTANINER_NAME | grep OOM to show options. For example:

docker inspect grafana | grep -i OOM
           "OOMKilled": false,
           "OomScoreAdj": 0,
           "OomKillDisable": false,

OOM Linux kernel logs

Jan 26 04:40:29 SERVER_NAME kernel: runc:[2:INIT] invoked oom-killer: gfp_mask=0x14000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0

Jan 26 04:40:29 SERVER_NAME kernel: oom_reaper: reaped process 22572 (java), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB

Related terms

• Out of space
• /proc/sys/vm/panic_on_oom

See also

• Memory: RAM, virsh Memory Commands, OOM, meminfo, vmstat, NAND, DDR, lsmem, /dev/shm, /proc/meminfo, sar -r, IOMMU
• OOM, EarlyOOM, OOM Killer
• Linux Kernel: namespaces, Cgroups, OOM, proc, Linux Kernel changelog, sysctl, Grub, ENOSPC, ENOMEM, DKMS, syscall, Transparent huge pages, smatch, sysfs, vm.swappiness, CFS, Runlevel, Jens Axboe, Consistent Network Device Naming, Initial ramdisk (initrd), modprobe
• ENOMEM