Package | Description |
---|---|
org.apache.hadoop.hdfs.server.federation.store |
The federation state store tracks persistent values that are shared between
multiple routers.
|
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 |
---|---|
List<R> |
CachedRecordStore.getCachedRecords()
Get all the cached records.
|
protected QueryResult<R> |
CachedRecordStore.getCachedRecordsAndTimeStamp()
Get all the cached records and the time stamp of the cache.
|
Modifier and Type | Method and Description |
---|---|
void |
StateStoreDriver.verifyDriverReady()
Check if the driver is ready to be used and throw an exception otherwise.
|
Modifier and Type | Method and Description |
---|---|
<T extends BaseRecord> |
StateStoreFileBaseImpl.putAll(List<T> records,
boolean allowUpdate,
boolean errorIfExists) |
<T extends BaseRecord> |
StateStoreFileBaseImpl.remove(Class<T> clazz,
Query<T> query) |
<T extends BaseRecord> |
StateStoreFileBaseImpl.removeAll(Class<T> clazz) |
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