Package org.apache.bookkeeper.util

Class BookKeeperConstants

java.lang.Object

org.apache.bookkeeper.util.BookKeeperConstants

public class BookKeeperConstants
extends Object

This class contains constants used in BookKeeper.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	AVAILABLE_NODE
static final String	BOOKIE_STATUS_FILENAME
static final String	CHECK_ALL_LEDGERS_CTIME
static final String	COLON
static final String	COOKIE_NODE
static final String	CURRENT_DIR
static final String	DEFAULT_ZK_LEDGERS_ROOT_PATH
static final String	DISABLE_HEALTH_CHECK
static final String	DISABLE_NODE
static final byte[]	EMPTY_BYTE_ARRAY
static final String	FEATURE_DISABLE_ENSEMBLE_CHANGE
static final String	FEATURE_REPP_DISABLE_DURABILITY_ENFORCEMENT
static final String	INSTANCEID
static final String	LAYOUT_ZNODE
static final String	LEDGER_NODE_PREFIX
static final String	LOSTBOOKIERECOVERYDELAY_NODE
static final long	MAX_LOG_SIZE_LIMIT	Set the max log size limit to 1GB.
static final String	METADATA_CACHE
static final String	PASSWD
static final String	PLACEMENT_POLICY_CHECK_CTIME
static final String	READONLY
static final String	REPLICAS_CHECK_CTIME
static final String	UNDER_REPLICATION_LOCK
static final String	UNDER_REPLICATION_NODE
static final String	VERSION_FILENAME

Constructor Summary

Constructors

Constructor	Description
BookKeeperConstants()

Method Summary

Methods inherited from class java.lang.Object

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

Field Details

LEDGER_NODE_PREFIX

public static final String LEDGER_NODE_PREFIX

See Also:

• Constant Field Values

COLON

public static final String COLON

See Also:

• Constant Field Values

VERSION_FILENAME

public static final String VERSION_FILENAME

See Also:

• Constant Field Values

BOOKIE_STATUS_FILENAME

public static final String BOOKIE_STATUS_FILENAME

See Also:

• Constant Field Values

PASSWD

public static final String PASSWD

See Also:

• Constant Field Values

CURRENT_DIR

public static final String CURRENT_DIR

See Also:

• Constant Field Values

METADATA_CACHE

public static final String METADATA_CACHE

See Also:

• Constant Field Values

READONLY

public static final String READONLY

See Also:

• Constant Field Values

AVAILABLE_NODE

public static final String AVAILABLE_NODE

See Also:

• Constant Field Values

COOKIE_NODE

public static final String COOKIE_NODE

See Also:

• Constant Field Values

UNDER_REPLICATION_NODE

public static final String UNDER_REPLICATION_NODE

See Also:

• Constant Field Values

UNDER_REPLICATION_LOCK

public static final String UNDER_REPLICATION_LOCK

See Also:

• Constant Field Values

DISABLE_NODE

public static final String DISABLE_NODE

See Also:

• Constant Field Values

LOSTBOOKIERECOVERYDELAY_NODE

public static final String LOSTBOOKIERECOVERYDELAY_NODE

See Also:

• Constant Field Values

CHECK_ALL_LEDGERS_CTIME

public static final String CHECK_ALL_LEDGERS_CTIME

See Also:

• Constant Field Values

PLACEMENT_POLICY_CHECK_CTIME

public static final String PLACEMENT_POLICY_CHECK_CTIME

See Also:

• Constant Field Values

REPLICAS_CHECK_CTIME

public static final String REPLICAS_CHECK_CTIME

See Also:

• Constant Field Values

DEFAULT_ZK_LEDGERS_ROOT_PATH

public static final String DEFAULT_ZK_LEDGERS_ROOT_PATH

See Also:

• Constant Field Values

LAYOUT_ZNODE

public static final String LAYOUT_ZNODE

See Also:

• Constant Field Values

INSTANCEID

public static final String INSTANCEID

See Also:

• Constant Field Values

DISABLE_HEALTH_CHECK

public static final String DISABLE_HEALTH_CHECK

See Also:

• Constant Field Values

MAX_LOG_SIZE_LIMIT

public static final long MAX_LOG_SIZE_LIMIT

Set the max log size limit to 1GB. It makes extra room for entry log file before hitting hard limit '2GB'. So we don't need to force roll entry log file when flushing memtable (for performance consideration)

See Also:

• Constant Field Values

FEATURE_REPP_DISABLE_DURABILITY_ENFORCEMENT

public static final String FEATURE_REPP_DISABLE_DURABILITY_ENFORCEMENT

See Also:

• Constant Field Values

FEATURE_DISABLE_ENSEMBLE_CHANGE

public static final String FEATURE_DISABLE_ENSEMBLE_CHANGE

See Also:

• Constant Field Values

EMPTY_BYTE_ARRAY

public static final byte[] EMPTY_BYTE_ARRAY

Constructor Details

BookKeeperConstants

public BookKeeperConstants()