Package org.apache.hadoop.hbase

Interface Summary
Cell The unit of storage in HBase consisting of the following fields:
 

Class Summary
AuthUtil Utility methods for helping with security tasks.
CellUtil Utility methods helpful slinging Cell instances.
ClusterStatus Status information on the HBase cluster.
HBaseConfiguration Adds HBase configuration files to a Configuration
HBaseInterfaceAudience This class defines constants for different classes of hbase limited private apis
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
HRegionInfo HRegion information.
HRegionLocation Data structure to hold HRegionInfo and the address for the hosting HRegionServer.
HTableDescriptor HTableDescriptor contains the details about an HBase table such as the descriptors of all the column families, is the table a catalog table, -ROOT- or hbase:meta , if the table is read only, the maximum size of the memstore, when the region split should occur, coprocessors associated with it etc...
LocalHBaseCluster This class creates a single process HBase cluster.
NamespaceDescriptor Namespace POJO class.
NamespaceDescriptor.Builder  
RegionLoad Encapsulates per-region load metrics.
ServerLoad This class is used for exporting current state of load on a RegionServer.
ServerName Instance of an HBase ServerName.
TableName Immutable POJO class for representing a table name.
 

Enum Summary
KeepDeletedCells Ways to keep cells marked for delete around.
 

Exception Summary
ClockOutOfSyncException This exception is thrown by the master when a region server clock skew is too high.
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.
HBaseIOException All hbase specific IOExceptions should be subclasses of HBaseIOException
InvalidFamilyOperationException Thrown if a request is table schema modification is requested but made for an invalid family name.
MasterNotRunningException Thrown if the master is not running
NamespaceExistException Thrown when a namespace exists but should not
NamespaceNotFoundException Thrown when a namespace can not be located
NotAllMetaRegionsOnlineException Thrown when an operation requires the root and all meta regions to be online
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, or when master is initializing and client call admin operations, or when an operation is performed on a region server that is still starting.
RegionException Thrown when something happens related to region handling.
RegionTooBusyException Thrown by a region server if it will block and wait to serve a request.
TableExistsException Thrown when a table exists but should not
TableInfoMissingException Failed to find .tableinfo file under table dir
TableNotDisabledException Thrown if a table should be offline but is not
TableNotEnabledException Thrown if a table should be enabled but is not
TableNotFoundException Thrown when a table can not be located
UnknownRegionException Thrown when we are asked to operate on a region we know nothing about.
UnknownScannerException Thrown if a region server is passed an unknown scanner id.
YouAreDeadException This exception is thrown by the master when a region server reports and is already being processed as dead.
ZooKeeperConnectionException Thrown if the client can't connect to zookeeper
 



Copyright © 2007–2015 The Apache Software Foundation. All rights reserved.