000aa4520e
In given manifest, podManagementPolicy is set as Parallel, but in later section of page, the console logs of "kubectl get pods -w -l app=zk" command displays ordered behavior, which is not the actual result in case of Parallel option. Sample logs from doc : NAME READY STATUS RESTARTS AGE zk-0 0/1 Pending 0 0s zk-0 0/1 Pending 0 0s zk-0 0/1 ContainerCreating 0 0s zk-0 0/1 Running 0 19s zk-0 1/1 Running 0 40s zk-1 0/1 Pending 0 0s zk-1 0/1 Pending 0 0s zk-1 0/1 ContainerCreating 0 0s zk-1 0/1 Running 0 18s zk-1 1/1 Running 0 40s zk-2 0/1 Pending 0 0s zk-2 0/1 Pending 0 0s zk-2 0/1 ContainerCreating 0 0s zk-2 0/1 Running 0 19s zk-2 1/1 Running 0 40s ## here pods are created in order Actual results after applying the given manifest : [taher@kubernetes-docker ~]$ kubectl apply -f zookeeper.yaml service/zk-hs created service/zk-cs created poddisruptionbudget.policy/zk-pdb created statefulset.apps/zk created [taher@kubernetes-docker ~]$ kubectl get pods -w -l app=zk NAME READY STATUS RESTARTS AGE zk-0 0/1 Pending 0 3s zk-1 0/1 Pending 0 3s zk-2 0/1 ContainerCreating 0 3s zk-1 0/1 Pending 0 4s zk-0 0/1 Pending 0 4s zk-1 0/1 Pending 0 5s zk-0 0/1 Pending 0 5s zk-1 0/1 Pending 0 5s zk-1 0/1 ContainerCreating 0 5s zk-0 0/1 Pending 0 5s zk-2 0/1 Running 0 19s zk-1 0/1 Running 0 24s zk-2 1/1 Running 0 35s zk-1 1/1 Running 0 37s ## here pods are created in parallel Resolution : Either change the value of podManagementPolicy option to OrderedReady or remove that option, so that StatefulSet will take it's default behavior. |
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