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Kubernetes Triggers Out-Of-Memory without libcgroup Installed. (Doc ID 2443414.1)

Last updated on MAY 28, 2020

Applies to:

Linux OS - Version Oracle Linux 7.2 with Unbreakable Enterprise Kernel [4.1.12] and later
Linux x86-64

Symptoms

Kubernetes nodes report out-of-memory issues:

Aug 21 21:09:11 hostname kernel: flanneld invoked oom-killer: gfp_mask=0xd0, order=0, oom_score_adj=-998
Aug 21 21:16:00 hostname kernel: flanneld invoked oom-killer: gfp_mask=0xd0, order=0, oom_score_adj=-998
Aug 21 21:16:04 hostname kernel: flanneld invoked oom-killer: gfp_mask=0xd0, order=0, oom_score_adj=-998
Aug 21 21:24:10 hostname kernel: flanneld invoked oom-killer: gfp_mask=0xd0, order=0, oom_score_adj=-998
Aug 21 21:24:14 hostname kernel: flanneld invoked oom-killer: gfp_mask=0xd0, order=0, oom_score_adj=-998
Aug 21 21:34:48 hostname kernel: flanneld invoked oom-killer: gfp_mask=0xd0, order=0, oom_score_adj=-998


Cause

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In this Document
Symptoms
Cause
Solution


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