[GitHub] [hadoop-ozone] elek commented on pull request #1057: HDDS-3782. Remove podAntiAffinity from datanode-statefulset

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elek commented on pull request #1057:
URL: https://github.com/apache/hadoop-ozone/pull/1057#issuecomment-643127553


   Thanks to open this issue @maobaolong 
   
   This approach is already considered, and you can find the arguments in https://issues.apache.org/jira/browse/HDDS-1646 why do we have these persistence lines.
   
   > Now, i think the yaml files under examples folder are trial purpose
   
   Depends on how do you define *trial* purpose. I think the provided examples should work in a real, production-like environment. For example if somebody tries Ozone out in a small Kubernetes cluster, we should provide an example how can it be configured.
   
   Removing the `podAntiAffinity` rules would result fake results of the initial measurements.
   
   I understand that we have an other use case: To quickly try it out locally on Minikube, K3s or one node cluster. And I agree that we should support it. Today we have the `minikube` definitions for that specific use case.
   
    * I am sure that the real `ozone` example should have real `podAntiAffinity` as it provides an example to use real Ozone
    * `minikube` shouldn't have the `podAntiAffinity`
    * We can discuss `getting-started` and `ozone-dev`, I am open the adjust them.
    * But it seems to unclear what is the goal of different subdirectories. Would be great to do it with additional clarification: either we need to add more README to clarify the goals, or create different structure (or dir names?)
   
   
   
   
   
   
   


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