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Interface Summary | |
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HConstants | HConstants holds a bunch of HBase-related constants |
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 | |
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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 |
HColumnDescriptor | An HColumnDescriptor contains information about a column family such as the number of versions, compression settings, etc. |
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 that combines the host name and port number. |
HServerInfo | HServerInfo contains metainfo about an HRegionServer, Currently it only contains the server start code. |
HServerLoad | This class encapsulates metrics for determining the load on a HRegionServer |
HServerLoad.RegionLoad | Encapsulates per-region loading metrics. |
HStoreKey | Deprecated. Replaced by KeyValue . |
HStoreKey.HStoreKeyComparator | Passed as comparator for memcache and for store files. |
HStoreKey.HStoreKeyMetaComparator | Passed as comparator for memcache and for store files. |
HStoreKey.HStoreKeyRootComparator | Passed as comparator for memcache and for store files. |
HStoreKey.MetaStoreKeyComparator | StoreKeyComparator for the .META. |
HStoreKey.RootStoreKeyComparator | StoreKeyComparator for the -ROOT- table. |
HStoreKey.StoreKeyComparator | RawComparator for plain -- i.e. |
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
KeyValue s. |
KeyValue.MetaKeyComparator | Compare key portion of a KeyValue for keys in .META.
table. |
KeyValue.RootComparator | A KeyValue.KVComparator for -ROOT- catalog table
KeyValue s. |
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. |
LocalHBaseCluster.RegionServerThread | runs region servers |
RegionHistorian | The Region Historian task is to keep track of every modification a region has to go through. |
RemoteExceptionHandler | An immutable class which contains a static method for handling org.apache.hadoop.ipc.RemoteException exceptions. |
Enum Summary | |
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HColumnDescriptor.CompressionType | Deprecated. Compression now means which compression library rather than 'what' to compress. |
HConstants.Modify | modifyTable op for replacing the table descriptor |
HMsg.Type | Message types sent between master and regionservers |
KeyValue.Type | Key type. |
Exception Summary | |
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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. |
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 |
Annotation Types Summary | |
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VersionAnnotation | A package attribute that captures the version of hbase that was compiled. |
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