Package org.apache.accumulo.core.metadata.schema

Class MetadataSchema.TabletsSection.ServerColumnFamily

java.lang.Object

org.apache.accumulo.core.metadata.schema.MetadataSchema.TabletsSection.ServerColumnFamily

Enclosing class:

MetadataSchema.TabletsSection

public static class MetadataSchema.TabletsSection.ServerColumnFamily
extends Object

Column family for recording information used by the TServer

Field Summary

Fields

Modifier and Type	Field	Description
static ColumnFQ	COMPACT_COLUMN
static String	COMPACT_QUAL	Holds compact IDs to enable waiting on a compaction to complete
static String	DEFAULT_TABLET_DIR_NAME	Initial tablet directory name for the default tablet in all tables
static ColumnFQ	DIRECTORY_COLUMN
static String	DIRECTORY_QUAL	Holds the location of the tablet in the DFS file system
static ColumnFQ	FLUSH_COLUMN
static String	FLUSH_QUAL	Holds flush IDs to enable waiting on a flush to complete
static ColumnFQ	LOCK_COLUMN
static String	LOCK_QUAL	Holds lock IDs to enable a sanity check to ensure that the TServer writing to the metadata tablet is not dead
static org.apache.hadoop.io.Text	NAME
static String	STR_NAME
static ColumnFQ	TIME_COLUMN
static String	TIME_QUAL	Holds the TimeType

Constructor Summary

Constructors

Constructor	Description
ServerColumnFamily()

Method Summary

Modifier and Type	Method	Description
static boolean	isValidDirCol(String dirName)	Matches regex for a tablet directory like "default_tablet" or "t-000009x"
static void	validateDirCol(String dirName)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

STR_NAME

public static final String STR_NAME

See Also:

Constant Field Values

NAME

public static final org.apache.hadoop.io.Text NAME

DIRECTORY_QUAL

public static final String DIRECTORY_QUAL

Holds the location of the tablet in the DFS file system

See Also:

Constant Field Values

DIRECTORY_COLUMN

public static final ColumnFQ DIRECTORY_COLUMN

DEFAULT_TABLET_DIR_NAME

public static final String DEFAULT_TABLET_DIR_NAME

Initial tablet directory name for the default tablet in all tables

See Also:

Constant Field Values

TIME_QUAL

public static final String TIME_QUAL

Holds the TimeType

See Also:

Constant Field Values

TIME_COLUMN

public static final ColumnFQ TIME_COLUMN

FLUSH_QUAL

public static final String FLUSH_QUAL

Holds flush IDs to enable waiting on a flush to complete

See Also:

Constant Field Values

FLUSH_COLUMN

public static final ColumnFQ FLUSH_COLUMN

COMPACT_QUAL

public static final String COMPACT_QUAL

Holds compact IDs to enable waiting on a compaction to complete

See Also:

Constant Field Values

COMPACT_COLUMN

public static final ColumnFQ COMPACT_COLUMN

LOCK_QUAL

public static final String LOCK_QUAL

Holds lock IDs to enable a sanity check to ensure that the TServer writing to the metadata tablet is not dead

See Also:

Constant Field Values

LOCK_COLUMN

public static final ColumnFQ LOCK_COLUMN

Constructor Detail

ServerColumnFamily

public ServerColumnFamily()

Method Detail

isValidDirCol

public static boolean isValidDirCol(String dirName)

Matches regex for a tablet directory like "default_tablet" or "t-000009x"

Returns:

true if dirName is a valid value for the DIRECTORY_COLUMN in the metadata table. Returns false otherwise.

validateDirCol

public static void validateDirCol(String dirName)

Throws:

IllegalArgumentException - when isValidDirCol(String) returns false.