| Package | Description | 
|---|---|
| org.apache.hadoop.hdfs.server.federation.resolver | The resolver package contains indepedent data resolvers used in HDFS
 federation. | 
| org.apache.hadoop.hdfs.server.federation.store.records | Contains the abstract definitions of the state store data records. | 
| org.apache.hadoop.hdfs.server.federation.store.records.impl.pb | The protobuf implementations of state store data records defined in the
 org.apache.hadoop.hdfs.server.federation.store.records package. | 
| Modifier and Type | Method and Description | 
|---|---|
| List<? extends FederationNamenodeContext> | MembershipNamenodeResolver. getNamenodesForBlockPoolId(String bpId) | 
| List<? extends FederationNamenodeContext> | MembershipNamenodeResolver. getNamenodesForNameserviceId(String nsId) | 
| Modifier and Type | Method and Description | 
|---|---|
| int | NamenodePriorityComparator. compare(FederationNamenodeContext o1,
       FederationNamenodeContext o2) | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | MembershipStateData schema for storing NN registration information in the
  StateStoreService. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | MembershipStatePBImplProtobuf implementation of the MembershipState record. | 
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