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public interface HConstants
HConstants holds a bunch of HBase-related constants
Field Summary | |
---|---|
static int |
ALL_VERSIONS
Define for 'return-all-versions'. |
static Text |
COL_REGIONINFO
ROOT/META column family member - contains HRegionInfo |
static Text[] |
COL_REGIONINFO_ARRAY
Array of column - contains HRegionInfo |
static Text |
COL_SERVER
ROOT/META column family member - contains HServerAddress.toString() |
static Text |
COL_SPLITA
the lower half of a split region |
static Text |
COL_SPLITB
the upper half of a split region |
static Text |
COL_STARTCODE
ROOT/META column family member - contains server start code (a long) |
static Text |
COLUMN_FAMILY
The ROOT and META column family (Text) |
static Text[] |
COLUMN_FAMILY_ARRAY
Array of meta column names |
static String |
COLUMN_FAMILY_STR
The ROOT and META column family (string) |
static String |
DEFAULT_HBASE_DIR
Default HBase instance root directory |
static String |
DEFAULT_HOST
default host address |
static String |
DEFAULT_MASTER_ADDRESS
Default master address |
static int |
DEFAULT_MASTER_INFOPORT
|
static long |
DEFAULT_MAX_FILE_SIZE
Default maximum file size |
static String |
DEFAULT_REGION_SERVER_CLASS
Default region server interface class name. |
static String |
DEFAULT_REGIONSERVER_ADDRESS
Default region server address |
static int |
DEFAULT_REGIONSERVER_INFOPORT
|
static Text |
EMPTY_START_ROW
Used by scanners, etc when they want to start at the beginning of a region |
static Text |
EMPTY_TEXT
An empty instance of Text. |
static String |
HBASE_DIR
Parameter name for HBase instance root directory |
static String |
HREGION_LOGDIR_NAME
Used to construct the name of the log directory for a region server |
static String |
HREGION_OLDLOGFILE_NAME
Name of old log file for reconstruction |
static String |
HREGIONDIR_PREFIX
Used to construct the name of the directory in which a HRegion resides |
static long |
LATEST_TIMESTAMP
Timestamp to use when we want to refer to the latest cell. |
static String |
MASTER_ADDRESS
Parameter name for master address |
static Text |
META_TABLE_NAME
The META table's name. |
static String |
REGION_SERVER_CLASS
Parameter name for what region server interface to use. |
static String |
REGIONSERVER_ADDRESS
Parameter name for hbase.regionserver address. |
static Text |
ROOT_TABLE_NAME
The root table's name. |
static String |
THREAD_WAKE_FREQUENCY
Parameter name for how often threads should wake up |
static String |
UTF8_ENCODING
When we encode strings, we always specify UTF8 encoding |
Field Detail |
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static final String MASTER_ADDRESS
static final String DEFAULT_HOST
static final String DEFAULT_MASTER_ADDRESS
static final int DEFAULT_MASTER_INFOPORT
static final String REGIONSERVER_ADDRESS
static final String DEFAULT_REGIONSERVER_ADDRESS
static final int DEFAULT_REGIONSERVER_INFOPORT
static final String REGION_SERVER_CLASS
static final String DEFAULT_REGION_SERVER_CLASS
static final String THREAD_WAKE_FREQUENCY
static final String HBASE_DIR
static final String DEFAULT_HBASE_DIR
static final String HREGIONDIR_PREFIX
static final String HREGION_LOGDIR_NAME
static final String HREGION_OLDLOGFILE_NAME
static final long DEFAULT_MAX_FILE_SIZE
static final Text ROOT_TABLE_NAME
static final Text META_TABLE_NAME
static final String COLUMN_FAMILY_STR
static final Text COLUMN_FAMILY
static final Text[] COLUMN_FAMILY_ARRAY
static final Text COL_REGIONINFO
static final Text[] COL_REGIONINFO_ARRAY
static final Text COL_SERVER
static final Text COL_STARTCODE
static final Text COL_SPLITA
static final Text COL_SPLITB
static final Text EMPTY_TEXT
static final Text EMPTY_START_ROW
static final String UTF8_ENCODING
static final long LATEST_TIMESTAMP
static final int ALL_VERSIONS
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