| Package | Description | 
|---|---|
| org.apache.hadoop.hbase | |
| org.apache.hadoop.hbase.catalog | |
| org.apache.hadoop.hbase.client | Provides HBase Client | 
| org.apache.hadoop.hbase.coprocessor | |
| org.apache.hadoop.hbase.exceptions | |
| org.apache.hadoop.hbase.ipc | |
| org.apache.hadoop.hbase.master | |
| org.apache.hadoop.hbase.protobuf | Holds classes generated from protobuf
 src/main/protobufdefinition files. | 
| org.apache.hadoop.hbase.regionserver | |
| org.apache.hadoop.hbase.replication | |
| org.apache.hadoop.hbase.security | |
| org.apache.hadoop.hbase.snapshot | |
| org.apache.hadoop.hbase.util | |
| org.apache.hadoop.hbase.zookeeper | 
| Class and Description | 
|---|
| Abortable Interface to support the aborting of a given server or client. | 
| ClusterId The identifier for this cluster. | 
| ClusterStatus Status information on the HBase cluster. | 
| Coprocessor Coprocessor interface. | 
| Coprocessor.State Lifecycle state of a given coprocessor instance. | 
| CoprocessorEnvironment Coprocessor environment state. | 
| DoNotRetryIOException Subclass if exception is not meant to be retried: e.g. | 
| HColumnDescriptor An HColumnDescriptor contains information about a column family such as the
 number of versions, compression settings, etc. | 
| 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... | 
| RegionException Thrown when something happens related to region handling. | 
| RegionLoad Encapsulates per-region load metrics. | 
| RegionTransition Current state of a region in transition. | 
| ServerLoad This class is used for exporting current state of load on a RegionServer. | 
| ServerName Instance of an HBase ServerName. | 
| Stoppable Implementers are Stoppable. | 
| Class and Description | 
|---|
| Abortable Interface to support the aborting of a given server or client. | 
| HRegionInfo HRegion information. | 
| NotAllMetaRegionsOnlineException Thrown when an operation requires the root and all meta regions to be online | 
| ServerName Instance of an HBase ServerName. | 
| Class and Description | 
|---|
| Abortable Interface to support the aborting of a given server or client. | 
| ClusterStatus Status information on the HBase cluster. | 
| DoNotRetryIOException Subclass if exception is not meant to be retried: e.g. | 
| HColumnDescriptor An HColumnDescriptor contains information about a column family such as the
 number of versions, compression settings, etc. | 
| 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... | 
| MasterNotRunningException Thrown if the master is not running | 
| RegionException Thrown when something happens related to region handling. | 
| ServerName Instance of an HBase ServerName. | 
| TableExistsException Thrown when a table exists but should not | 
| TableNotFoundException Thrown when a table can not be located | 
| ZooKeeperConnectionException Thrown if the client can't connect to zookeeper | 
| Class and Description | 
|---|
| DoNotRetryIOException Subclass if exception is not meant to be retried: e.g. | 
| Class and Description | 
|---|
| DoNotRetryIOException Subclass if exception is not meant to be retried: e.g. | 
| NotServingRegionException Thrown by a region server if it is sent a request for a region it is not
 serving. | 
| RegionException Thrown when something happens related to region handling. | 
| ServerName Instance of an HBase ServerName. | 
| Class and Description | 
|---|
| DoNotRetryIOException Subclass if exception is not meant to be retried: e.g. | 
| ServerName Instance of an HBase ServerName. | 
| Class and Description | 
|---|
| HRegionInfo HRegion information. | 
| ServerName Instance of an HBase ServerName. | 
| Class and Description | 
|---|
| DoNotRetryIOException Subclass if exception is not meant to be retried: e.g. | 
| HColumnDescriptor An HColumnDescriptor contains information about a column family such as the
 number of versions, compression settings, etc. | 
| HRegionInfo HRegion information. | 
| 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... | 
| ServerName Instance of an HBase ServerName. | 
| Class and Description | 
|---|
| DoNotRetryIOException Subclass if exception is not meant to be retried: e.g. | 
| Class and Description | 
|---|
| Abortable Interface to support the aborting of a given server or client. | 
| ServerName Instance of an HBase ServerName. | 
| Stoppable Implementers are Stoppable. | 
| Class and Description | 
|---|
| DoNotRetryIOException Subclass if exception is not meant to be retried: e.g. | 
| Class and Description | 
|---|
| DoNotRetryIOException Subclass if exception is not meant to be retried: e.g. | 
| Class and Description | 
|---|
| Stoppable Implementers are Stoppable. | 
| Class and Description | 
|---|
| Abortable Interface to support the aborting of a given server or client. | 
| ClusterId The identifier for this cluster. | 
| HRegionInfo HRegion information. | 
| ServerName Instance of an HBase ServerName. | 
| Stoppable Implementers are Stoppable. | 
| ZooKeeperConnectionException Thrown if the client can't connect to zookeeper | 
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