HDFS-16729. RBF: fix some unreasonably annotated docs. (#4745)
Reviewed-by: Inigo Goiri <inigoiri@apache.org>
Signed-off-by: Akira Ajisaka <aajisaka@apache.org>
(cherry picked from commit 7f176d080c)
This commit is contained in:
jianghuazhu
Akira Ajisaka
parent
cfc11d2e5f
commit
2123859d60
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@ -682,7 +682,7 @@ public class Router extends CompositeService implements
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/**
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* Get the state store interface for the router heartbeats.
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*
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* @return FederationRouterStateStore state store API handle.
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* @return RouterStore state store API handle.
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*/
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public RouterStore getRouterStateManager() {
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if (this.routerStateManager == null && this.stateStore != null) {
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@ -48,7 +48,7 @@ import org.apache.hadoop.hdfs.server.federation.store.records.MembershipState;
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* StateStoreDriver}, NameNode registrations are cached until the next query.
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* The fetched registration data is aggregated using a quorum to determine the
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* best/most accurate state for each NameNode. The cache is periodically updated
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* by the @{link StateStoreCacheUpdateService}.
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* by the {@link StateStoreCacheUpdateService}.
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*/
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@InterfaceAudience.Private
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@InterfaceStability.Evolving
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@ -50,6 +50,7 @@ import org.slf4j.LoggerFactory;
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* |--- MEMBERSHIP
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* |--- REBALANCER
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* |--- ROUTERS
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* |--- DISABLE_NAMESERVICE
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*/
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public class StateStoreZooKeeperImpl extends StateStoreSerializableImpl {
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@ -31,19 +31,21 @@
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* StateStoreDriver} to handle querying, updating and deleting data records. The
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* data storage driver is initialized and maintained by the {@link
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* org.apache.hadoop.hdfs.server.federation.store.StateStoreService
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* FederationStateStoreService}. The state store
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* StateStoreService}. The state store
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* supports fetching all records of a type, filtering by column values or
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* fetching a single record by its primary key.
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* <p>
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* The state store contains several API interfaces, one for each data records
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* type.
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* <ul>
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* <li>FederationMembershipStateStore: state of all Namenodes in the federation.
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* <li>MembershipStore: state of all Namenodes in the federation.
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* Uses the MembershipState record.
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* <li>FederationMountTableStore: Mount table mapping paths in the global
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* <li>MountTableStore: Mount table mapping paths in the global
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* namespace to individual subcluster paths. Uses the MountTable record.
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* <li>RouterStateStore: State of all routers in the federation. Uses the
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* <li>RouterStore: State of all routers in the federation. Uses the
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* RouterState record.
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* <li>DisabledNameserviceStore: state of all disabled nameservice in the federation.
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* Uses the DisabledNameservice record.
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* </ul>
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* Each API is defined in a separate interface. The implementations of these
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* interfaces are responsible for accessing the {@link
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@ -32,7 +32,7 @@ import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreSerialize
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/**
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* Data schema for storing NN registration information in the
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* {@link org.apache.hadoop.hdfs.server.federation.store.StateStoreService
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* FederationStateStoreService}.
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* StateStoreService}.
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*/
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public abstract class MembershipState extends BaseRecord
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implements FederationNamenodeContext {
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@ -42,9 +42,9 @@ import org.apache.hadoop.security.UserGroupInformation;
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/**
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* Data schema for {@link
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* org.apache.hadoop.hdfs.server.federation.store.MountTableStore
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* FederationMountTableStore} data stored in the {@link
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* MountTableStore} data stored in the {@link
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* org.apache.hadoop.hdfs.server.federation.store.StateStoreService
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* FederationStateStoreService}. Supports string serialization.
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* StateStoreService}. Supports string serialization.
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*/
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public abstract class MountTable extends BaseRecord {
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@ -31,7 +31,7 @@ import org.slf4j.LoggerFactory;
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* Entry to log the state of a
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* {@link org.apache.hadoop.hdfs.server.federation.router.Router Router} in the
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* {@link org.apache.hadoop.hdfs.server.federation.store.StateStoreService
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* FederationStateStoreService}.
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* StateStoreService}.
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*/
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public abstract class RouterState extends BaseRecord {
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@ -586,8 +586,6 @@ public class TestStateStoreMembershipState extends TestStateStoreBase {
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/**
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* Register a namenode heartbeat with the state store.
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*
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* @param store FederationMembershipStateStore instance to retrieve the
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* membership data records.
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* @param namenode A fully populated namenode membership record to be
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* committed to the data store.
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* @return True if successful, false otherwise.
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@ -227,7 +227,6 @@ public class TestStateStoreMountTable extends TestStateStoreBase {
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/**
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* Fetch all mount table records beneath a root path.
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*
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* @param store FederationMountTableStore instance to commit the data.
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* @param mount The root search path, enter "/" to return all mount table
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* records.
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*
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