srkukarni commented on issue #3073: [Question] cluster mode fuctions in 
Kubernetes cluster
URL: https://github.com/apache/pulsar/issues/3073#issuecomment-442474664
 
 
   It depends on how you delete the pods
   1a. If you just kill the pods, kubernetes will recreate the pods and the 
functions will be back on them
   1b. If you scale down the number of broker pods from 10 to 8, the killed 
pods will not be recreated by kubernetes. In that case, functions running on 
those 2 pods will be redistributed among the remaining 8 pods
   2. If all pods are deleted, functions will no longer run. They are not lost, 
in the sense that the moment some new pod comes up, they will try to come up on 
that pod. You don;t have to recreate the functions. The meta data for all of 
this will be in bookkeeper so it wont be lost

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