Hi.

Heapster is experiencing failures for some pods of the cluster, which in
turn causes HPA to malfunction.

>From project events I can see:

2017-03-22T22:13:29Z   2017-03-22T21:32:59Z   32        portal
 HorizontalPodAutoscaler               Warning   FailedGetMetrics
{horizontal-pod-autoscaler }   failed to get CPU consumption and request:
metrics obtained for 2/4 of pods
2017-03-22T22:13:29Z   2017-03-22T21:32:59Z   32        portal
 HorizontalPodAutoscaler             Warning   FailedComputeReplicas
{horizontal-pod-autoscaler }   failed to get CPU utilization: failed to get
CPU consumption and request: metrics obtained for 2/4 of pods


Heapster logs says some pods have no metrics, while other pods from the
same project does:

I0322 22:10:29.104727       1 handlers.go:242] No metrics for container
wordpress in pod kondzilla/portal-107-rg2ia
I0322 22:10:29.104746       1 handlers.go:178] No metrics for pod
kondzilla/portal-107-rg2ia
...
I0322 22:12:21.780763       1 pod_based_enricher.go:141] Container
namespace:kondzilla/pod:portal-107-rg2ia/container:wordpress not found,
creating a stub


Hitting kubelete's /stats/container/ does returns valid stats, as expected.


I'm running:

openshift v1.3.1
kubernetes v1.3.0+52492b4
etcd 2.3.0+git

openshift/origin-metrics-cassandra:v1.3.1
openshift/origin-metrics-hawkular-metrics:v1.3.1
openshift/origin-metrics-heapster:v1.3.2 (v1.3.1 has the same effect)


Thanks,

--
Mateus Caruccio / Master of Puppets
GetupCloud.com
We make the infrastructure invisible
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