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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2020/06/29 19:20:33 UTC

[GitHub] [airflow-on-k8s-operator] jimmyjones2 opened a new issue #28: PDB prevents node draining

jimmyjones2 opened a new issue #28:
URL: https://github.com/apache/airflow-on-k8s-operator/issues/28


   The PDB's have minAvailable set to 100%. As per [the docs](https://kubernetes.io/docs/tasks/run-application/configure-pdb/) the means:
   
   > you are requiring zero voluntary evictions. When you set zero voluntary evictions for a workload object such as ReplicaSet, then you cannot successfully drain a Node running one of those Pods. If you try to drain a Node where an unevictable Pod is running, the drain never completes. 
   
   I don't think this is desirable!


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