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| Interface Summary | |
|---|---|
| LeaseListener | LeaseListener is an interface meant to be implemented by users of the Leases class. |
| WritableComparator<T> | Interface that brings writable and comparable together |
| Class Summary | |
|---|---|
| Chore | Chore is a task performed on a period in hbase. |
| ClusterStatus | Status information on the HBase cluster. |
| HBaseConfiguration | Adds HBase configuration files to a Configuration |
| HBaseConfTool | |
| HColumnDescriptor | An HColumnDescriptor contains information about a column family such as the number of versions, compression settings, etc. |
| HConstants | HConstants holds a bunch of HBase-related constants |
| HMsg | HMsg is for communicating instructions between the HMaster and the HRegionServers. |
| HRegionInfo | HRegion information. |
| HRegionLocation | Contains the HRegionInfo for the region and the HServerAddress for the HRegionServer serving the region |
| HServerAddress | HServerAddress is a "label" for a HBase server made of host and port number. |
| HServerInfo | HServerInfo is meta info about an HRegionServer. |
| HServerLoad | This class encapsulates metrics for determining the load on a HRegionServer |
| HServerLoad.RegionLoad | Encapsulates per-region loading metrics. |
| HTableDescriptor | HTableDescriptor contains the name of an HTable, and its column families. |
| KeyValue | An HBase Key/Value. |
| KeyValue.KeyComparator | Compare key portion of a KeyValue. |
| KeyValue.KVComparator | Compare KeyValues. |
| KeyValue.MetaComparator | A KeyValue.KVComparator for .META. catalog table
KeyValues. |
| KeyValue.MetaKeyComparator | Compare key portion of a KeyValue for keys in .META.
table. |
| KeyValue.RootComparator | A KeyValue.KVComparator for -ROOT- catalog table
KeyValues. |
| KeyValue.RootKeyComparator | Compare key portion of a KeyValue for keys in -ROOT- |
| KeyValue.RowComparator | Comparator that compares row component only of a KeyValue. |
| KeyValue.SplitKeyValue | Utility class that splits a KeyValue buffer into separate byte arrays. |
| Leases | Leases There are several server classes in HBase that need to track external clients that occasionally send heartbeats. |
| LocalHBaseCluster | This class creates a single process HBase cluster. |
| MiniZooKeeperCluster | TODO: Most of the code in this class is ripped from ZooKeeper tests. |
| RemoteExceptionHandler | An immutable class which contains a static method for handling org.apache.hadoop.ipc.RemoteException exceptions. |
| Enum Summary | |
|---|---|
| HColumnDescriptor.CompressionType | Deprecated. Compression now means which compression library rather than 'what' to compress. |
| HConstants.Modify | modifyTable op for replacing the table descriptor |
| HConstants.OperationStatusCode | Status codes used for return values of bulk operations. |
| HMsg.Type | Message types sent between master and regionservers |
| KeyValue.Type | Key type. |
| Exception Summary | |
|---|---|
| ColumnNameParseException | Thrown if issue with passed column name. |
| DoNotRetryIOException | Subclass if exception is not meant to be retried: e.g. |
| DroppedSnapshotException | Thrown during flush if the possibility snapshot content was not properly persisted into store files. |
| LeaseException | Reports a problem with a lease |
| Leases.LeaseStillHeldException | Thrown if we are asked create a lease but lease on passed name already exists. |
| MasterNotRunningException | Thrown if the master is not running |
| NotServingRegionException | Thrown by a region server if it is sent a request for a region it is not serving. |
| PleaseHoldException | This exception is thrown by the master when a region server was shut down and restarted so fast that the master still hasn't processed the server shutdown of the first instance. |
| RegionException | Thrown when something happens related to region handling. |
| TableExistsException | Thrown when a table exists but should not |
| TableNotDisabledException | Thrown if a table should be offline but is not |
| TableNotFoundException | Thrown when a table can not be located |
| UnknownRowLockException | Thrown if a region server is passed an unknown row lock id |
| UnknownScannerException | Thrown if a region server is passed an unknown scanner id. |
| ValueOverMaxLengthException | Thrown when a value is longer than the specified LENGTH |
| YouAreDeadException | This exception is thrown by the master when a region server reports and is already being processed as dead. |
| Annotation Types Summary | |
|---|---|
| VersionAnnotation | A package attribute that captures the version of hbase that was compiled. |
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