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.router |
The router package includes the core services for a HDFS federation router.
|
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,
boolean listObserversFirst) |
Modifier and Type | Method and Description |
---|---|
int |
NamenodePriorityComparator.compare(FederationNamenodeContext o1,
FederationNamenodeContext o2) |
void |
MembershipNamenodeResolver.rotateCache(String nsId,
FederationNamenodeContext namenode,
boolean listObserversFirst)
Rotate cache, make the current namenode have the lowest priority,
to ensure that the current namenode will not be accessed first next time.
|
Modifier and Type | Method and Description |
---|---|
Object |
RouterRpcClient.invokeMethod(org.apache.hadoop.security.UserGroupInformation ugi,
List<? extends FederationNamenodeContext> namenodes,
boolean useObserver,
Class<?> protocol,
Method method,
Object... params)
Invokes a method against the ClientProtocol proxy server.
|
Modifier and Type | Class and Description |
---|---|
class |
MembershipState
Data schema for storing NN registration information in the
StateStoreService . |
Modifier and Type | Class and Description |
---|---|
class |
MembershipStatePBImpl
Protobuf implementation of the MembershipState record.
|
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