Page History

- zkBaseRootPath/$appName-$appId-$JobName-$JobId-$stageId/
    - processors/
        - processor.000001/
            - locatoinId1(stored as value in processor zookeeper node)
        - processor.000002/
            - locationId2(stored as value in processor zookeeper node)
        ...
        - processor.00000N/
            - locationIdN(stored as value in processor zookeeper node)
    - jobModels/
        - {jobModelVersion}
            JobModelObject
    - barriers/
        - {jobModelVersion}
            barrier_state  
    - localityData
        - task01/
           - locationId1(stored as value in task zookeeper node)
        - task02/
           - locationId2(stored as value in task zookeeper node)
        ... 
        - task0N/
           - locationIdN(stored as value in task zookeeper node)