An HColumnDescriptor contains information about a column family such as the @@ -282,71 +282,81 @@ implements +static boolean +DEFAULT_IN_MEMORY_COMPACTION +

Default setting for whether to set the memstore of this column family as compacting or not.

+ + + static KeepDeletedCells DEFAULT_KEEP_DELETED

Default setting for preventing deleted from being collected immediately.

- + static int DEFAULT_MIN_VERSIONS

Default is not to keep a minimum of versions.

- + static long DEFAULT_MOB_THRESHOLD - + static boolean DEFAULT_PREFETCH_BLOCKS_ON_OPEN - + static int DEFAULT_REPLICATION_SCOPE

Default scope.

- + static int DEFAULT_TTL

Default time to live of cell contents.

- + private static Map<String,String> DEFAULT_VALUES - + static int DEFAULT_VERSIONS

Default number of versions of a record to keep.

- + static String DFS_REPLICATION - + static String ENCODE_ON_DISK - + static String ENCRYPTION - + static String ENCRYPTION_KEY - + static String EVICT_BLOCKS_ON_CLOSE - + static String FOREVER + +private static String +IN_MEMORY_COMPACTION + static String IS_MOB @@ -629,123 +639,131 @@ implements isInMemory() +boolean +isInMemoryCompaction() + + static byte[] isLegalFamilyName(byte[] b) - + boolean isMobEnabled()

Gets whether the mob is enabled for the family.

- + boolean isPrefetchBlocksOnOpen() - + static HColumnDescriptor parseFrom(byte[] bytes) - + void remove(byte[] key) - + void removeConfiguration(String key)

Remove a configuration setting represented by the key from the configuration map.

- + private boolean

setAndGetBoolean(String key,
                                 boolean defaultSetting)

- + HColumnDescriptor setBlockCacheEnabled(boolean blockCacheEnabled) - + HColumnDescriptor setBlocksize(int s) - + HColumnDescriptor setBloomFilterType(BloomType bt) - + HColumnDescriptor setCacheBloomsOnWrite(boolean value) - + HColumnDescriptor setCacheDataInL1(boolean value) - + HColumnDescriptor setCacheDataOnWrite(boolean value) - + HColumnDescriptor setCacheIndexesOnWrite(boolean value) - + HColumnDescriptor setCompactionCompressionType(Compression.Algorithm type)

Compression types supported in hbase.

- + HColumnDescriptor setCompressionType(Compression.Algorithm type)

Compression types supported in hbase.

- + HColumnDescriptor setCompressTags(boolean compressTags)

Set whether the tags should be compressed along with DataBlockEncoding.

- + HColumnDescriptor

setConfiguration(String key,
                                 String value)

Setter for storing a configuration setting in configuration map.

- + HColumnDescriptor setDataBlockEncoding(DataBlockEncoding type)

Set data block encoding algorithm used in block cache.

- + HColumnDescriptor setDFSReplication(short replication)

Set the replication factor to hfile(s) belonging to this family

- + HColumnDescriptor setEncryptionKey(byte[] keyBytes)

Set the raw crypto key attribute for the family

- + HColumnDescriptor setEncryptionType(String algorithm)

Set the encryption algorithm for use with this family

- + HColumnDescriptor setEvictBlocksOnClose(boolean value) - + HColumnDescriptor setInMemory(boolean inMemory) + +HColumnDescriptor +setInMemoryCompaction(boolean inMemoryCompaction) + HColumnDescriptor setKeepDeletedCells(KeepDeletedCells keepDeletedCells) @@ -843,17 +861,27 @@ implements

COLUMN_DESCRIPTOR_VERSION

private static final byte COLUMN_DESCRIPTOR_VERSION

private static final byte COLUMN_DESCRIPTOR_VERSION

See Also:: Constant Field Values

+ + + +

+
IN_MEMORY_COMPACTION
+
```
private static final String IN_MEMORY_COMPACTION
```
+
See Also:
Constant Field Values
+

COMPRESSION

public static final String COMPRESSION

public static final String COMPRESSION

See Also:: Constant Field Values

@@ -863,7 +891,7 @@ implements

COMPRESSION_COMPACT

public static final String COMPRESSION_COMPACT

public static final String COMPRESSION_COMPACT

See Also:: Constant Field Values

@@ -873,7 +901,7 @@ implements

ENCODE_ON_DISK

public static final String ENCODE_ON_DISK

public static final String ENCODE_ON_DISK

See Also:: Constant Field Values

@@ -883,7 +911,7 @@ implements

DATA_BLOCK_ENCODING

public static final String DATA_BLOCK_ENCODING

public static final String DATA_BLOCK_ENCODING

See Also:: Constant Field Values

@@ -893,7 +921,7 @@ implements

BLOCKCACHE

public static final String BLOCKCACHE

public static final String BLOCKCACHE

Key for the BLOCKCACHE attribute. A more exact name would be CACHE_DATA_ON_READ because this flag sets whether or not we cache DATA blocks. We always cache INDEX and BLOOM blocks; caching these blocks cannot be @@ -907,7 +935,7 @@ implements

CACHE_DATA_ON_WRITE

public static final String CACHE_DATA_ON_WRITE

public static final String CACHE_DATA_ON_WRITE

See Also:: Constant Field Values

@@ -917,7 +945,7 @@ implements

CACHE_INDEX_ON_WRITE

public static final String CACHE_INDEX_ON_WRITE

public static final String CACHE_INDEX_ON_WRITE

See Also:: Constant Field Values

@@ -927,7 +955,7 @@ implements

CACHE_BLOOMS_ON_WRITE

public static final String CACHE_BLOOMS_ON_WRITE

public static final String CACHE_BLOOMS_ON_WRITE

See Also:: Constant Field Values

@@ -937,7 +965,7 @@ implements

EVICT_BLOCKS_ON_CLOSE

public static final String EVICT_BLOCKS_ON_CLOSE

public static final String EVICT_BLOCKS_ON_CLOSE

See Also:: Constant Field Values

@@ -947,7 +975,7 @@ implements

CACHE_DATA_IN_L1

public static final String CACHE_DATA_IN_L1

public static final String CACHE_DATA_IN_L1

Key for cache data into L1 if cache is set up with more than one tier. To set in the shell, do something like this:

hbase(main):003:0> create 't',
@@ -961,7 +989,7 @@ implements


 PREFETCH_BLOCKS_ON_OPEN
-public static final String PREFETCH_BLOCKS_ON_OPEN
+public static final String PREFETCH_BLOCKS_ON_OPEN
 Key for the PREFETCH_BLOCKS_ON_OPEN attribute.
  If set, all INDEX, BLOOM, and DATA blocks of HFiles belonging to this
  family will be loaded into the cache as soon as the file is opened. These
@@ -975,7 +1003,7 @@ implements


 BLOCKSIZE
-public static final String BLOCKSIZE
+public static final String BLOCKSIZE
 Size of storefile/hfile 'blocks'.  Default is DEFAULT_BLOCKSIZE.
  Use smaller block sizes for faster random-access at expense of larger
  indices (more memory consumption).
@@ -988,7 +1016,7 @@ implements


 LENGTH
-public static final String LENGTH
+public static final String LENGTH
 See Also:
Constant Field Values


 
@@ -998,7 +1026,7 @@ implements 
 
 TTL
-public static final String TTL
+public static final String TTL
 See Also:
Constant Field Values
 
 
@@ -1008,7 +1036,7 @@ implements 
 
 BLOOMFILTER
-public static final String BLOOMFILTER
+public static final String BLOOMFILTER
 See Also:
Constant Field Values
 
 
@@ -1018,7 +1046,7 @@ implements 
 
 FOREVER
-public static final String FOREVER
+public static final String FOREVER
 See Also:
Constant Field Values
 
 
@@ -1028,7 +1056,7 @@ implements 
 
 REPLICATION_SCOPE
-public static final String REPLICATION_SCOPE
+public static final String REPLICATION_SCOPE
 See Also:
Constant Field Values
 
 
@@ -1038,7 +1066,7 @@ implements 
 
 REPLICATION_SCOPE_BYTES
-public static final byte[] REPLICATION_SCOPE_BYTES
+public static final byte[] REPLICATION_SCOPE_BYTES
 
 
 
@@ -1047,7 +1075,7 @@ implements 
 
 MIN_VERSIONS
-public static final String MIN_VERSIONS
+public static final String MIN_VERSIONS
 See Also:
Constant Field Values
 
 
@@ -1057,7 +1085,7 @@ implements 
 
 KEEP_DELETED_CELLS
-public static final String KEEP_DELETED_CELLS
+public static final String KEEP_DELETED_CELLS
 Retain all cells across flushes and compactions even if they fall behind
  a delete tombstone. To see all retained cells, do a 'raw' scan; see
  Scan#setRaw or pass RAW => true attribute in the shell.
@@ -1070,7 +1098,7 @@ implements 
 

 COMPRESS_TAGS
-public static final String COMPRESS_TAGS
+public static final String COMPRESS_TAGS
 See Also:
Constant Field Values
 
 
@@ -1080,7 +1108,7 @@ implements 
 
 ENCRYPTION
-public static final String ENCRYPTION
+public static final String ENCRYPTION
 See Also:
Constant Field Values
 
 
@@ -1090,7 +1118,7 @@ implements 
 
 ENCRYPTION_KEY
-public static final String ENCRYPTION_KEY
+public static final String ENCRYPTION_KEY
 See Also:
Constant Field Values
 
 
@@ -1100,7 +1128,7 @@ implements 
 
 IS_MOB
-public static final String IS_MOB
+public static final String IS_MOB
 See Also:
Constant Field Values
 
 
@@ -1110,7 +1138,7 @@ implements 
 
 IS_MOB_BYTES
-public static final byte[] IS_MOB_BYTES
+public static final byte[] IS_MOB_BYTES
 
 
 
@@ -1119,7 +1147,7 @@ implements 
 
 MOB_THRESHOLD
-public static final String MOB_THRESHOLD
+public static final String MOB_THRESHOLD
 See Also:
Constant Field Values
 
 
@@ -1129,7 +1157,7 @@ implements 
 
 MOB_THRESHOLD_BYTES
-public static final byte[] MOB_THRESHOLD_BYTES
+public static final byte[] MOB_THRESHOLD_BYTES
 
 
 
@@ -1138,7 +1166,7 @@ implements 
 
 DEFAULT_MOB_THRESHOLD
-public static final long DEFAULT_MOB_THRESHOLD
+public static final long DEFAULT_MOB_THRESHOLD
 See Also:
Constant Field Values
 
 
@@ -1148,7 +1176,7 @@ implements 
 
 DFS_REPLICATION
-public static final String DFS_REPLICATION
+public static final String DFS_REPLICATION
 See Also:
Constant Field Values
 
 
@@ -1158,7 +1186,7 @@ implements 
 
 DEFAULT_DFS_REPLICATION
-public static final short DEFAULT_DFS_REPLICATION
+public static final short DEFAULT_DFS_REPLICATION
 See Also:
Constant Field Values
 
 
@@ -1168,7 +1196,7 @@ implements 
 
 DEFAULT_COMPRESSION
-public static final String DEFAULT_COMPRESSION
+public static final String DEFAULT_COMPRESSION
 Default compression type.
 
 
@@ -1178,7 +1206,7 @@ implements 
 
 DEFAULT_ENCODE_ON_DISK
-public static final boolean DEFAULT_ENCODE_ON_DISK
+public static final boolean DEFAULT_ENCODE_ON_DISK
 Default value of the flag that enables data block encoding on disk, as
  opposed to encoding in cache only. We encode blocks everywhere by default,
  as long as DATA_BLOCK_ENCODING is not NONE.
@@ -1191,7 +1219,7 @@ implements 
 

 DEFAULT_DATA_BLOCK_ENCODING
-public static final String DEFAULT_DATA_BLOCK_ENCODING
+public static final String DEFAULT_DATA_BLOCK_ENCODING
 Default data block encoding algorithm.
 
 
@@ -1201,7 +1229,7 @@ implements 
 
 DEFAULT_VERSIONS
-public static final int DEFAULT_VERSIONS
+public static final int DEFAULT_VERSIONS
 Default number of versions of a record to keep.
 
 
@@ -1211,7 +1239,7 @@ implements 
 
 DEFAULT_MIN_VERSIONS
-public static final int DEFAULT_MIN_VERSIONS
+public static final int DEFAULT_MIN_VERSIONS
 Default is not to keep a minimum of versions.
 See Also:
Constant Field Values
 
@@ -1222,7 +1250,7 @@ implements 
 
 blocksize
-private volatile Integer blocksize
+private volatile Integer blocksize
 
 
 
@@ -1231,18 +1259,29 @@ implements 
 
 DEFAULT_IN_MEMORY
-public static final boolean DEFAULT_IN_MEMORY
+public static final boolean DEFAULT_IN_MEMORY
 Default setting for whether to try and serve this column family from memory or not.
 See Also:
Constant Field Values
 
 
+
+
+
+
+
+DEFAULT_IN_MEMORY_COMPACTION
+public static final boolean DEFAULT_IN_MEMORY_COMPACTION
+Default setting for whether to set the memstore of this column family as compacting or not.
+See Also:
Constant Field Values
+
+
 
 
 
 
 
 DEFAULT_KEEP_DELETED
-public static final KeepDeletedCells DEFAULT_KEEP_DELETED
+public static final KeepDeletedCells DEFAULT_KEEP_DELETED
 Default setting for preventing deleted from being collected immediately.
 
 
@@ -1252,7 +1291,7 @@ implements 
 
 DEFAULT_BLOCKCACHE
-public static final boolean DEFAULT_BLOCKCACHE
+public static final boolean DEFAULT_BLOCKCACHE
 Default setting for whether to use a block cache or not.
 See Also:
Constant Field Values
 
@@ -1263,7 +1302,7 @@ implements 
 
 DEFAULT_CACHE_DATA_ON_WRITE
-public static final boolean DEFAULT_CACHE_DATA_ON_WRITE
+public static final boolean DEFAULT_CACHE_DATA_ON_WRITE
 Default setting for whether to cache data blocks on write if block caching
  is enabled.
 See Also:
Constant Field Values
@@ -1275,7 +1314,7 @@ implements 
 

 DEFAULT_CACHE_DATA_IN_L1
-public static final boolean DEFAULT_CACHE_DATA_IN_L1
+public static final boolean DEFAULT_CACHE_DATA_IN_L1
 Default setting for whether to cache data blocks in L1 tier.  Only makes sense if more than
  one tier in operations: i.e. if we have an L1 and a L2.  This will be the cases if we are
  using BucketCache.
@@ -1288,7 +1327,7 @@ implements 
 

 DEFAULT_CACHE_INDEX_ON_WRITE
-public static final boolean DEFAULT_CACHE_INDEX_ON_WRITE
+public static final boolean DEFAULT_CACHE_INDEX_ON_WRITE
 Default setting for whether to cache index blocks on write if block
  caching is enabled.
 See Also:
Constant Field Values
@@ -1300,7 +1339,7 @@ implements 
 

 DEFAULT_BLOCKSIZE
-public static final int DEFAULT_BLOCKSIZE
+public static final int DEFAULT_BLOCKSIZE
 Default size of blocks in files stored to the filesytem (hfiles).
 See Also:
Constant Field Values
 
@@ -1311,7 +1350,7 @@ implements 
 
 DEFAULT_BLOOMFILTER
-public static final String DEFAULT_BLOOMFILTER
+public static final String DEFAULT_BLOOMFILTER
 Default setting for whether or not to use bloomfilters.
 
 
@@ -1321,7 +1360,7 @@ implements 
 
 DEFAULT_CACHE_BLOOMS_ON_WRITE
-public static final boolean DEFAULT_CACHE_BLOOMS_ON_WRITE
+public static final boolean DEFAULT_CACHE_BLOOMS_ON_WRITE
 Default setting for whether to cache bloom filter blocks on write if block
  caching is enabled.
 See Also:
Constant Field Values
@@ -1333,7 +1372,7 @@ implements 
 

 DEFAULT_TTL
-public static final int DEFAULT_TTL
+public static final int DEFAULT_TTL
 Default time to live of cell contents.
 See Also:
Constant Field Values
 
@@ -1344,7 +1383,7 @@ implements 
 
 DEFAULT_REPLICATION_SCOPE
-public static final int DEFAULT_REPLICATION_SCOPE
+public static final int DEFAULT_REPLICATION_SCOPE
 Default scope.
 See Also:
Constant Field Values
 
@@ -1355,7 +1394,7 @@ implements 
 
 DEFAULT_EVICT_BLOCKS_ON_CLOSE
-public static final boolean DEFAULT_EVICT_BLOCKS_ON_CLOSE
+public static final boolean DEFAULT_EVICT_BLOCKS_ON_CLOSE
 Default setting for whether to evict cached blocks from the blockcache on
  close.
 See Also:
Constant Field Values
@@ -1367,7 +1406,7 @@ implements 
 

 DEFAULT_COMPRESS_TAGS
-public static final boolean DEFAULT_COMPRESS_TAGS
+public static final boolean DEFAULT_COMPRESS_TAGS
 Default compress tags along with any type of DataBlockEncoding.
 See Also:
Constant Field Values
 
@@ -1378,7 +1417,7 @@ implements 
 
 DEFAULT_PREFETCH_BLOCKS_ON_OPEN
-public static final boolean DEFAULT_PREFETCH_BLOCKS_ON_OPEN
+public static final boolean DEFAULT_PREFETCH_BLOCKS_ON_OPEN
 See Also:
Constant Field Values
 
 
@@ -1388,7 +1427,7 @@ implements 
 
 DEFAULT_VALUES
-private static final Map<String,String> DEFAULT_VALUES
+private static final Map<String,String> DEFAULT_VALUES
 
 
 
@@ -1397,7 +1436,7 @@ implements 
 
 RESERVED_KEYWORDS
-private static final Set<Bytes> RESERVED_KEYWORDS
+private static final Set<Bytes> RESERVED_KEYWORDS
 
 
 
@@ -1406,7 +1445,7 @@ implements 
 
 UNINITIALIZED
-private static final int UNINITIALIZED
+private static final int UNINITIALIZED
 See Also:
Constant Field Values
 
 
@@ -1416,7 +1455,7 @@ implements 
 
 name
-private byte[] name
+private byte[] name
 
 
 
@@ -1425,7 +1464,7 @@ implements 
 
 values
-private final Map<Bytes,Bytes> values
+private final Map<Bytes,Bytes> values
 
 
 
@@ -1434,7 +1473,7 @@ implements 
 
 configuration
-private final Map<String,String> configuration
+private final Map<String,String> configuration
 A map which holds the configuration specific to the column family.
  The keys of the map have the same names as config keys and override the defaults with
  cf-specific settings. Example usage may be for compactions, etc.
@@ -1446,7 +1485,7 @@ implements 
 

 cachedMaxVersions
-private int cachedMaxVersions
+private int cachedMaxVersions
 
 
 
@@ -1463,7 +1502,7 @@ implements 
 
 HColumnDescriptor
-public HColumnDescriptor(String familyName)
+public HColumnDescriptor(String familyName)
 Construct a column descriptor specifying only the family name
  The other attributes are defaulted.
 Parameters:
familyName - Column family name. Must be 'printable' -- digit or
@@ -1476,7 +1515,7 @@ implements 
 
 HColumnDescriptor
-public HColumnDescriptor(byte[] familyName)
+public HColumnDescriptor(byte[] familyName)
 Construct a column descriptor specifying only the family name
  The other attributes are defaulted.
 Parameters:
familyName - Column family name. Must be 'printable' -- digit or
@@ -1489,7 +1528,7 @@ implements 
 
 HColumnDescriptor
-public HColumnDescriptor(HColumnDescriptor desc)
+public HColumnDescriptor(HColumnDescriptor desc)
 Constructor.
  Makes a deep copy of the supplied descriptor.
  Can make a modifiable descriptor from an UnmodifyableHColumnDescriptor.
@@ -1510,7 +1549,7 @@ implements 
 

 isLegalFamilyName
-public static byte[] isLegalFamilyName(byte[] b)
+public static byte[] isLegalFamilyName(byte[] b)
 Parameters:
b - Family name.
 Returns:
b
 Throws:
@@ -1526,7 +1565,7 @@ implements 
 
 getName
-public byte[] getName()
+public byte[] getName()
 Returns:
Name of this column family
 
 
@@ -1536,7 +1575,7 @@ implements 
 
 getNameAsString
-public String getNameAsString()
+public String getNameAsString()
 Returns:
Name of this column family
 
 
@@ -1546,7 +1585,7 @@ implements 
 
 getValue
-public byte[] getValue(byte[] key)
+public byte[] getValue(byte[] key)
 Parameters:
key - The key.
 Returns:
The value.
 
@@ -1557,7 +1596,7 @@ implements 
 
 getValue
-public String getValue(String key)
+public String getValue(String key)
 Parameters:
key - The key.
 Returns:
The value as a string.
 
@@ -1568,7 +1607,7 @@ implements 
 
 getValues
-public Map<Bytes,Bytes> getValues()
+public Map<Bytes,Bytes> getValues()
 Returns:
All values.
 
 
@@ -1578,7 +1617,7 @@ implements 
 
 setValue
-public HColumnDescriptor setValue(byte[] key,
+public HColumnDescriptor setValue(byte[] key,
                          byte[] value)
 Parameters:
key - The key.
value - The value.
 Returns:
this (for chained invocation)
@@ -1590,7 +1629,7 @@ implements 
 
 remove
-public void remove(byte[] key)
+public void remove(byte[] key)
 Parameters:
key - Key whose key and value we're to remove from HCD parameters.
 
 
@@ -1600,7 +1639,7 @@ implements 
 
 setValue
-public HColumnDescriptor setValue(String key,
+public HColumnDescriptor setValue(String key,
                          String value)
 Parameters:
key - The key.
value - The value.
 Returns:
this (for chained invocation)
@@ -1613,7 +1652,7 @@ implements 
 getCompression
 @Deprecated
-public Compression.Algorithm getCompression()
+public Compression.Algorithm getCompression()
 Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0
              (HBASE-13655).
              Use getCompressionType().
@@ -1627,7 +1666,7 @@ public 
 getCompactionCompression
 @Deprecated
-public Compression.Algorithm getCompactionCompression()
+public Compression.Algorithm getCompactionCompression()
 Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0
              (HBASE-13655).
              Use getCompactionCompressionType().
@@ -1640,7 +1679,7 @@ public 
 

 getMaxVersions
-public int getMaxVersions()
+public int getMaxVersions()
 Returns:
maximum number of versions
 
 
@@ -1650,7 +1689,7 @@ public 
 
 setMaxVersions
-public HColumnDescriptor setMaxVersions(int maxVersions)
+public HColumnDescriptor setMaxVersions(int maxVersions)
 Parameters:
maxVersions - maximum number of versions
 Returns:
this (for chained invocation)
 
@@ -1661,7 +1700,7 @@ public 
 
 setVersions
-public HColumnDescriptor setVersions(int minVersions,
+public HColumnDescriptor setVersions(int minVersions,
                             int maxVersions)
 Set minimum and maximum versions to keep
 Parameters:
minVersions - minimal number of versions
maxVersions - maximum number of versions
@@ -1674,7 +1713,7 @@ public 
 
 get