| Package | Description |
|---|---|
| org.apache.hadoop.hdfs.server.federation.router |
The router package includes the core services for a HDFS federation router.
|
| 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 | Description |
|---|---|---|
void |
MountTableRefresherService.refresh() |
Refresh mount table cache of this router as well as all other routers.
|
| Modifier and Type | Method | Description |
|---|---|---|
java.util.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 | Description |
|---|---|---|
void |
StateStoreDriver.verifyDriverReady() |
Check if the driver is ready to be used and throw an exception otherwise.
|
| Modifier and Type | Method | Description |
|---|---|---|
<T extends BaseRecord> |
StateStoreFileBaseImpl.putAll(java.util.List<T> records,
boolean allowUpdate,
boolean errorIfExists) |
|
<T extends BaseRecord> |
StateStoreFileBaseImpl.remove(java.lang.Class<T> clazz,
Query<T> query) |
|
<T extends BaseRecord> |
StateStoreFileBaseImpl.removeAll(java.lang.Class<T> clazz) |
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