org.apache.hadoop.yarn.api
Interface ApplicationConstants

public interface ApplicationConstants

This is the API for the applications comprising of constants that YARN sets up for the applications and the containers. TODO: Should also be defined in avro/pb IDLs TODO: Investigate the semantics and security of each cross-boundary refs.

Nested Class Summary

static class

ApplicationConstants.Environment Environment for Applications.

Field Summary

static String	AM_CONTAINER_ID_ENV The environment variable for CONTAINER_ID.
static String	APP_SUBMIT_TIME_ENV The environment variable for APP_SUBMIT_TIME.
static String	APPLICATION_CLIENT_SECRET_ENV_NAME
static String	APPLICATION_MASTER_TOKEN_ENV_NAME
static String	APPLICATION_WEB_PROXY_BASE_ENV The environmental variable for APPLICATION_WEB_PROXY_BASE.
static String	CONTAINER_TOKEN_FILE_ENV_NAME
static String	LOCAL_DIR_ENV
static String	LOG_DIR_EXPANSION_VAR
static String	NM_HOST_ENV The environment variable for the NM_HOST.
static String	NM_HTTP_PORT_ENV The environment variable for the NM_HTTP_PORT.
static String	NM_PORT_ENV The environment variable for the NM_PORT.
static String	STDERR
static String	STDOUT

Field Detail

APPLICATION_MASTER_TOKEN_ENV_NAME

static final String APPLICATION_MASTER_TOKEN_ENV_NAME

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Constant Field Values

APPLICATION_CLIENT_SECRET_ENV_NAME

static final String APPLICATION_CLIENT_SECRET_ENV_NAME

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Constant Field Values

AM_CONTAINER_ID_ENV

static final String AM_CONTAINER_ID_ENV

The environment variable for CONTAINER_ID. Set in AppMaster environment only

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Constant Field Values

NM_HOST_ENV

static final String NM_HOST_ENV

The environment variable for the NM_HOST. Set in the AppMaster environment only

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Constant Field Values

NM_PORT_ENV

static final String NM_PORT_ENV

The environment variable for the NM_PORT. Set in the AppMaster environment only

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NM_HTTP_PORT_ENV

static final String NM_HTTP_PORT_ENV

The environment variable for the NM_HTTP_PORT. Set in the AppMaster environment only

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Constant Field Values

APP_SUBMIT_TIME_ENV

static final String APP_SUBMIT_TIME_ENV

The environment variable for APP_SUBMIT_TIME. Set in AppMaster environment only

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Constant Field Values

CONTAINER_TOKEN_FILE_ENV_NAME

static final String CONTAINER_TOKEN_FILE_ENV_NAME

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Constant Field Values

LOCAL_DIR_ENV

static final String LOCAL_DIR_ENV

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APPLICATION_WEB_PROXY_BASE_ENV

static final String APPLICATION_WEB_PROXY_BASE_ENV

The environmental variable for APPLICATION_WEB_PROXY_BASE. Set in ApplicationMaster's environment only. This states that for all non-relative web URLs in the app masters web UI what base should they have.

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LOG_DIR_EXPANSION_VAR

static final String LOG_DIR_EXPANSION_VAR

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Constant Field Values

STDERR

static final String STDERR

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STDOUT

static final String STDOUT

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Constant Field Values