Scaling by horizontal pod autoscaler is slow in OpenShift

Solution Unverified - Updated -

Issue

  • Scaling by horizontal pod autoscaler takes 3 min
  • Heapster returns a little bit old metrics that was 2 min ago
  • Heapster returns metrics not updated for 2 min
  • How to get the metrics faster than default 2m25s interval

Environment

  • OpenShift Enterprise 3.X
  • Horizontal pod autoscaler

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