OCI - OOM (Out-Of-Memory) is Killing dnf on Newly Created Compute Instance while Performing dnf
in Linux
APPLIES TO:
Oracle Cloud Infrastructure
Linux OS
SYMPTOMS
While performing dnf install , OOM ( Out-Of-Memory ) is killing dnf command on newly created Oracle Linux 8 compute instance.
Sometimes SSH was losing connectivity to the server.
-- free
total used free shared buff/cache available Mem: 971124 684612 58704 2924 227808 127208 Swap: 970748 492920 477828
-- /proc/meminfo
MemTotal: 971124 kB MemFree: 60452 kB
Server has total 1 GB of memory.
Console history and message log shows OOM killer has been activated if there is any operation being performed on the server.
message log :
Feb 14 00:14:42 newtest kernel: oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/system.slice/dnf-makecache.service,task=dnf,pid=5318,uid=0 Feb 14 00:14:42 newtest kernel: Out of memory: Killed process 5318 (dnf) total-vm:1702636kB, anon-rss:583360kB, file-rss:6148kB, shmem-rss:0kB, UID:0 pgtables:2944kB oom_score_adj:0 Feb 14 00:14:43 newtest systemd[1]: dnf-makecache.service: Main process exited, code=killed, status=9/KILL Feb 14 00:52:33 newtest kernel: oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/user.slice/user-1000.slice/session-11.scope,task=dnf,pid=7315,uid=0 Feb 14 00:52:33 newtest kernel: Out of memory: Killed process 7315 (dnf) total-vm:1453364kB, anon-rss:534448kB, file-rss:5436kB, shmem-rss:0kB, UID:0 pgtables:2856kB oom_score_adj:0 Feb 14 00:52:33 newtest pcp-pmie[3116]: OOM kill 0.00640242/sec@newtest Feb 14 00:52:33 newtest pcp-pmie[3116]: High 1-minute load average 14.8load@newtest Feb 14 01:03:04 newtest kernel: pmie invoked oom-killer: gfp_mask=0x1100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 Feb 14 01:03:04 newtest kernel: CPU: 1 PID: 3116 Comm: pmie Not tainted 5.15.0-202.135.2.el8uek.x86_64 #2 Feb 14 01:03:04 newtest
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