NdbDataNodeSpec specifies a data node in an NDB
      Cluster. Used by NdbClusterSpec.
    
- config(map[string]* Kubernetes util/intstr.IntOrStringConfig): (optional) A map of default NDB data node configuration parameters (see NDB Cluster Data Node Configuration Parameters).
- ndbPodSpec(- NdbClusterPodSpec): (optional) A subset of- PodSpecfields which, when set, are copied into to the- podSpecof the data node's- StatefulSetdefinition.
- nodeCount(integer): The total number of data nodes in a MySQL NDB Cluster; this must be an integer multiple of- redundancyLevel. A maximum of 144 data nodes is supported.
- pvcSpec(Kubernetes core/v1.PersistentVolumeClaimSpec): (optional) The- PersistentVolumeClaimSpecto be used as the- VolumeClaimTemplateof the data node- StatefulSet. A PVC is created for each data node by the- StatefulSetcontroller and is loaded into the data node pod and the container.