Kubernetes Submit Queue c7bfc2a14e Merge pull request #63220 from dashpole/fix_memcg_format
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Fix formatting for kubelet memcg notification threshold

/kind bug
**What this PR does / why we need it**:
This fixes the following errors (found in [this node_e2e serial test log](https://storage.googleapis.com/kubernetes-jenkins/logs/ci-kubernetes-node-kubelet-serial/4118/artifacts/tmp-node-e2e-49baaf8a-cos-stable-63-10032-71-0/kubelet.log)):
`eviction_manager.go:256] eviction manager attempting to integrate with kernel memcg notification api`
`threshold_notifier_linux.go:70] eviction: setting notification threshold to 4828488Ki`
`eviction_manager.go:272] eviction manager: failed to create hard memory threshold notifier: invalid argument`

**Special notes for your reviewer**:
This needs to be cherrypicked back to 1.10.
This regression was added in https://github.com/kubernetes/kubernetes/pull/60531, because the `quantity` being used was changed from a DecimalSI to BinarySI, which changes how it is printed out in the String() method.  To make it more explicit that we want the value, just convert Value() to a string.

**Release note**:
```release-note
Fix memory cgroup notifications, and reduce associated log spam.
```
2018-05-16 15:25:06 -07:00

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