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Re: Nodes on High CPU



There is a known density issue between the kubelet and docker above ~60 pods:

https://github.com/kubernetes/kubernetes/issues/16943

Still waiting to see how the numbers change.

> On Dec 21, 2015, at 7:16 AM, Diego Spinola Castro <spinolacastro gmail com> wrote:
>
> Hi, i have a cluster with four nodes, two masters and three etcd servers and i'm facing a elevated CPU consumption when i put around 700 pods into the nodes.
> My concern is despite there's no traffic on the apps, i can confirm a high cpu consumption of openshift-node process (70%).
> The nodes are eight-core, 32G ram.
>
>
> [root nodebr0 ~]# ps aux | head -n 1
> USER        PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> [root nodebr0 ~]# ps aux | grep node
> root      62305  393  2.9 6376576 860120 ?      Ssl  Dec17 20090:24 /usr/bin/openshift start node --config=/etc/origin/node/node-config.yaml --loglevel=2
> root      98954  0.0  0.0 112644   964 pts/0    S+   12:16   0:00 grep --color=auto node
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