| Package | Description | 
|---|---|
| org.apache.hadoop.hdfs.server.federation.store.driver | The state store uses modular data storage classes derived from
 StateStoreDriver to handle querying, updating and deleting data records. | 
| org.apache.hadoop.hdfs.server.federation.store.driver.impl | Implementations of state store data providers/drivers. | 
| Modifier and Type | Method and Description | 
|---|---|
| static StateStoreSerializer | StateStoreSerializer. getSerializer()Get the default serializer based. | 
| static StateStoreSerializer | StateStoreSerializer. getSerializer(org.apache.hadoop.conf.Configuration conf)Get a serializer based on the provided configuration. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | StateStoreSerializerPBImplProtobuf implementation of the State Store serializer. | 
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