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public interface HConstants
HConstants holds a bunch of HBase-related constants
Field Summary | |
---|---|
static byte[][] |
ALL_META_COLUMNS
All the columns in the catalog -ROOT- and .META. |
static int |
ALL_VERSIONS
Define for 'return-all-versions'. |
static byte[] |
COL_REGIONINFO
ROOT/META column family member - contains HRegionInfo |
static byte[][] |
COL_REGIONINFO_ARRAY
Array of column - contains HRegionInfo |
static byte[] |
COL_SERVER
ROOT/META column family member - contains HServerAddress.toString() |
static byte[] |
COL_SPLITA
the lower half of a split region |
static byte[] |
COL_SPLITB
the upper half of a split region |
static byte[] |
COL_STARTCODE
ROOT/META column family member - contains server start code (a long) |
static byte[] |
COLUMN_FAMILY
The ROOT and META column family |
static byte[][] |
COLUMN_FAMILY_ARRAY
Array of meta column names |
static byte[] |
COLUMN_FAMILY_HISTORIAN
The META historian column family |
static String |
COLUMN_FAMILY_HISTORIAN_STR
The META historian column family (string) |
static String |
COLUMN_FAMILY_STR
The ROOT and META column family (string) |
static int |
DEFAULT_CLIENT_RETRIES
|
static String |
DEFAULT_HOST
default host address |
static String |
DEFAULT_MASTER_ADDRESS
Default master address |
static int |
DEFAULT_MASTER_INFOPORT
default port for master web api |
static int |
DEFAULT_MASTER_PORT
default port that the master listens on |
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
default port for region server web api |
static int |
DEFAULT_SIZE_RESERVATION_BLOCK
Default size of a reservation block |
static byte[] |
EMPTY_BYTE_ARRAY
An empty instance. |
static byte[] |
EMPTY_END_ROW
Last row in a table. |
static byte[] |
EMPTY_START_ROW
Used by scanners, etc when they want to start at the beginning of a region |
static String |
FILE_SYSTEM_VERSION
Current version of file system. |
static int |
FOREVER
Unlimited time-to-live. |
static String |
HBASE_CLIENT_RETRIES_NUMBER_KEY
|
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 |
IN_MEMORY
|
static byte[] |
LAST_ROW
Used by scanners and others when they're trying to detect the end of a table |
static long |
LATEST_TIMESTAMP
Timestamp to use when we want to refer to the latest cell. |
static String |
MAJOR_COMPACTION_PERIOD
Parameter name for how often a region should should perform a major compaction |
static String |
MASTER_ADDRESS
Parameter name for master address |
static int |
MAX_ROW_LENGTH
Max length a row can have because of the limitation in TFile. |
static int |
META_ROW_DELIMITER
delimiter used between portions of a region name |
static byte[] |
META_TABLE_NAME
The META table's name. |
static int |
MODIFY_CLOSE_REGION
|
static int |
MODIFY_TABLE_COMPACT
modifyTable op for forcing a compaction |
static int |
MODIFY_TABLE_FLUSH
|
static int |
MODIFY_TABLE_MAJOR_COMPACT
|
static int |
MODIFY_TABLE_SET_HTD
modifyTable op for replacing the table descriptor |
static int |
MODIFY_TABLE_SPLIT
modifyTable op for forcing a split |
static String |
NAME
|
static String |
NINES
|
static String |
REGION_SERVER_CLASS
Parameter name for what region server interface to use. |
static String |
REGION_SERVER_IMPL
Parameter name for what region server implementation to use. |
static String |
REGIONSERVER_ADDRESS
Parameter name for hbase.regionserver address. |
static int[] |
RETRY_BACKOFF
This is a retry backoff multiplier table similar to the BSD TCP syn backoff table, a bit more aggressive than simple exponential backoff. |
static byte[] |
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 |
static String |
VERSION_FILE_NAME
name of version file |
static String |
VERSIONS
|
static int |
WEEK_IN_SECONDS
|
static Long |
ZERO_L
long constant for zero |
static String |
ZEROES
|
Field Detail |
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static final Long ZERO_L
static final String NINES
static final String ZEROES
static final String VERSION_FILE_NAME
static final String FILE_SYSTEM_VERSION
static final String MASTER_ADDRESS
static final String DEFAULT_HOST
static final int DEFAULT_MASTER_PORT
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 REGION_SERVER_IMPL
static final String DEFAULT_REGION_SERVER_CLASS
static final String THREAD_WAKE_FREQUENCY
static final String MAJOR_COMPACTION_PERIOD
static final String HBASE_DIR
static final String HREGION_LOGDIR_NAME
static final String HREGION_OLDLOGFILE_NAME
static final long DEFAULT_MAX_FILE_SIZE
static final int DEFAULT_SIZE_RESERVATION_BLOCK
static final byte[] ROOT_TABLE_NAME
static final byte[] META_TABLE_NAME
static final int META_ROW_DELIMITER
static final String COLUMN_FAMILY_STR
static final String COLUMN_FAMILY_HISTORIAN_STR
static final byte[] COLUMN_FAMILY
static final byte[] COLUMN_FAMILY_HISTORIAN
static final byte[][] COLUMN_FAMILY_ARRAY
static final byte[] COL_REGIONINFO
static final byte[][] COL_REGIONINFO_ARRAY
static final byte[] COL_SERVER
static final byte[] COL_STARTCODE
static final byte[] COL_SPLITA
static final byte[] COL_SPLITB
static final byte[][] ALL_META_COLUMNS
static final byte[] EMPTY_BYTE_ARRAY
static final byte[] EMPTY_START_ROW
static final byte[] EMPTY_END_ROW
static final byte[] LAST_ROW
static final int MAX_ROW_LENGTH
static final String UTF8_ENCODING
static final long LATEST_TIMESTAMP
static final int ALL_VERSIONS
static final int FOREVER
static final int WEEK_IN_SECONDS
static final String HBASE_CLIENT_RETRIES_NUMBER_KEY
static final int DEFAULT_CLIENT_RETRIES
static final String NAME
static final String VERSIONS
static final String IN_MEMORY
static final int[] RETRY_BACKOFF
static final int MODIFY_TABLE_SET_HTD
static final int MODIFY_TABLE_SPLIT
static final int MODIFY_TABLE_COMPACT
static final int MODIFY_CLOSE_REGION
static final int MODIFY_TABLE_FLUSH
static final int MODIFY_TABLE_MAJOR_COMPACT
|
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