[GitHub] dgrove-oss opened a new pull request #151: Specify pod/node scheduling affinities

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dgrove-oss opened a new pull request #151: Specify pod/node scheduling affinities
URL: https://github.com/apache/incubator-openwhisk-deploy-kube/pull/151
 
 
   Specify pod and node affinities for Kubernetes scheduler
   to implement two basic policies:
     1. Do not schedule anything except the invoker pod
        on nodes labeled openwhisk-role=invoker.
     2. Do not allow multiple instances of the same pod
        to be scheduled on the same node (HA -- replicated
        pods should be run on distinct worker nodes).
   
   Also weakly prefer to co-locate kafka and zookeeper pods
   on the same node to optimize their communication.
   
   Fixes #99.

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