Package org.apache.flink.configuration

Class ConfigConstants

java.lang.Object

org.apache.flink.configuration.ConfigConstants

@Public
public final class ConfigConstants
extends Object

This class contains all constants for the configuration. That includes the configuration keys and the default values.

Field Summary

Fields

Modifier and Type	Field	Description
static String	COMMITTER_NAME	The suffix of sink operator name.
static Charset	DEFAULT_CHARSET
static String	DEFAULT_FLINK_LIB_DIR	The default Flink lib directory if none has been specified via ENV_FLINK_LIB_DIR.
static String	DEFAULT_FLINK_OPT_DIR	The default Flink opt directory if none has been specified via ENV_FLINK_OPT_DIR.
static String	DEFAULT_FLINK_PLUGINS_DIRS	The default Flink plugins directory if none has been specified via ENV_FLINK_PLUGINS_DIR.
static String	DEFAULT_FLINK_USR_LIB_DIR	The user lib directory name.
static int	DEFAULT_LOCAL_NUMBER_TASK_MANAGER
static String	DEFAULT_YARN_CONTAINER_START_COMMAND_TEMPLATE	Start command template for Flink on YARN containers.
static String	ENV_FLINK_CONF_DIR	The environment variable name which contains the location of the configuration directory.
static String	ENV_FLINK_HOME_DIR	The environment variable name which contains the Flink installation root directory.
static String	ENV_FLINK_LIB_DIR	The environment variable name which contains the location of the lib folder.
static String	ENV_FLINK_OPT_DIR	The environment variable name which contains the location of the opt directory.
static String	ENV_FLINK_PLUGINS_DIR	The environment variable name which contains the location of the plugins folder.
static String	ENV_JAVA_HOME
static String	FLINK_REST_CLIENT_HEADERS	The environment variable name which contains a list of newline-separated HTTP headers for Flink's REST client.
static int	METRICS_OPERATOR_NAME_MAX_LENGTH
static String	METRICS_REPORTER_PREFIX	The prefix for per-metric reporter configs.
static String	TRACES_REPORTER_PREFIX	The prefix for per-trace reporter configs.
static String	WRITER_NAME

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

METRICS_REPORTER_PREFIX

public static final String METRICS_REPORTER_PREFIX

The prefix for per-metric reporter configs. Has to be combined with a reporter name and the configs mentioned below.

See Also:

Constant Field Values

TRACES_REPORTER_PREFIX

public static final String TRACES_REPORTER_PREFIX

The prefix for per-trace reporter configs. Has to be combined with a reporter name and the configs mentioned below.

See Also:

Constant Field Values

DEFAULT_YARN_CONTAINER_START_COMMAND_TEMPLATE

public static final String DEFAULT_YARN_CONTAINER_START_COMMAND_TEMPLATE

Start command template for Flink on YARN containers.

See Also:

Constant Field Values

DEFAULT_LOCAL_NUMBER_TASK_MANAGER

public static final int DEFAULT_LOCAL_NUMBER_TASK_MANAGER

See Also:

Constant Field Values

ENV_JAVA_HOME

public static final String ENV_JAVA_HOME

See Also:

Constant Field Values

ENV_FLINK_CONF_DIR

public static final String ENV_FLINK_CONF_DIR

The environment variable name which contains the location of the configuration directory.

See Also:

Constant Field Values

ENV_FLINK_LIB_DIR

public static final String ENV_FLINK_LIB_DIR

The environment variable name which contains the location of the lib folder.

See Also:

Constant Field Values

DEFAULT_FLINK_LIB_DIR

public static final String DEFAULT_FLINK_LIB_DIR

The default Flink lib directory if none has been specified via ENV_FLINK_LIB_DIR.

See Also:

Constant Field Values

ENV_FLINK_OPT_DIR

public static final String ENV_FLINK_OPT_DIR

The environment variable name which contains the location of the opt directory.

See Also:

Constant Field Values

DEFAULT_FLINK_OPT_DIR

public static final String DEFAULT_FLINK_OPT_DIR

The default Flink opt directory if none has been specified via ENV_FLINK_OPT_DIR.

See Also:

Constant Field Values

ENV_FLINK_PLUGINS_DIR

public static final String ENV_FLINK_PLUGINS_DIR

The environment variable name which contains the location of the plugins folder.

See Also:

Constant Field Values

DEFAULT_FLINK_PLUGINS_DIRS

public static final String DEFAULT_FLINK_PLUGINS_DIRS

The default Flink plugins directory if none has been specified via ENV_FLINK_PLUGINS_DIR.

See Also:

Constant Field Values

ENV_FLINK_HOME_DIR

public static final String ENV_FLINK_HOME_DIR

The environment variable name which contains the Flink installation root directory.

See Also:

Constant Field Values

DEFAULT_FLINK_USR_LIB_DIR

public static final String DEFAULT_FLINK_USR_LIB_DIR

The user lib directory name.

See Also:

Constant Field Values

FLINK_REST_CLIENT_HEADERS

public static final String FLINK_REST_CLIENT_HEADERS

The environment variable name which contains a list of newline-separated HTTP headers for Flink's REST client.

See Also:

Constant Field Values

DEFAULT_CHARSET

public static final Charset DEFAULT_CHARSET

COMMITTER_NAME

public static final String COMMITTER_NAME

The suffix of sink operator name.

See Also:

Constant Field Values

WRITER_NAME

public static final String WRITER_NAME

See Also:

Constant Field Values

METRICS_OPERATOR_NAME_MAX_LENGTH

public static final int METRICS_OPERATOR_NAME_MAX_LENGTH

See Also:

Constant Field Values