Out of Memory (OOM)
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OOM in Docker[edit]
- 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,
Kubernetes[edit]
Pod The node had condition: [MemoryPressure].
kubectl describe nodes | grep MemoryPressure
OOM Linux kernel logs[edit]
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[edit]
See also[edit]
- Memory: RAM, virsh Memory Commands, OOM, meminfo,
vmstat
, NAND, DDR,lsmem
,/dev/shm
,/proc/meminfo
,sar -r
, IOMMU,pmem
, Memory management - OOM, EarlyOOM, OOM Killer, MemoryPressure (K8s)
- 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
, MTD, Linux Kernel vulnerabilities - ENOMEM