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Merge pull request #54865 from phsiao/cpumanager_updating_contaier_leveled_logging

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Automatic merge from submit-queue (batch tested with PRs 54894, 54630, 54828, 54926, 54865). 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>.

set leveled logging (v=4) for 'updating container' message

**What this PR does / why we need it**:

Currently cpu_manager.go logs a line for every pod at every reconcilePeriod (10 sec default) when it reconciles and updates the pod's cpuset setting.   This creates a lot of logging information that is not very interesting and we should suppress that by default by increasing the logging level.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #54804

**Special notes for your reviewer**:

I chose V(4) because that seems to be a popular level for messages at this detail.   Happy to follow logging guideline if there is any.

**Release note**:

``` kubelet: cpu_manager logs informative reconcile message at V(4) to reduce clutter ```
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Kubernetes Submit Queue 2017-11-01 17:52:27 -07:00 committed by GitHub
commit 43559fe9df
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2
pkg/kubelet/cm/cpumanager/cpu_manager.go
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@ -241,7 +241,7 @@ func (m *manager) reconcileState() (success []reconciledContainer, failure []rec
continue
}
glog.Infof("[cpumanager] reconcileState: updating container (pod: %s, container: %s, container id: %s, cpuset: \"%v\")", pod.Name, container.Name, containerID, cset)
glog.V(4).Infof("[cpumanager] reconcileState: updating container (pod: %s, container: %s, container id: %s, cpuset: \"%v\")", pod.Name, container.Name, containerID, cset)
err = m.updateContainerCPUSet(containerID, cset)
if err != nil {
glog.Errorf("[cpumanager] reconcileState: failed to update container (pod: %s, container: %s, container id: %s, cpuset: \"%v\", error: %v)", pod.Name, container.Name, containerID, cset, err)