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Merge pull request #39694 from DirectXMan12/bug/hpa-panic
Automatic merge from submit-queue (batch tested with PRs 39694, 39383, 39651, 39691, 39497) HPA Controller: Check for 0-sum request value In certain conditions in which the set of metrics returned by Heapster is completely disjoint from the set of pods returned by the API server, we can have a request sum of zero, which can cause a panic (due to division by zero). This checks for that condition. Fixes #39680 **Release note**: ```release-note Fixes an HPA-related panic due to division-by-zero. ```
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