Constant Field Values

Contents

• org.apache.*

org.apache.*

org.apache.hadoop.yarn.service.conf.RestApiConstants

Modifier and Type	Constant Field	Value
public static final String	COMP_INSTANCE_LONG_PATH	"/services/{service_name}/components/{component_name}/component-instances/{component_instance_name}"
public static final String	COMP_INSTANCE_NAME	"component_instance_name"
public static final String	COMP_INSTANCE_PATH	"/services/{service_name}/component-instances/{component_instance_name}"
public static final String	COMP_INSTANCES	"component-instances"
public static final String	COMP_INSTANCES_PATH	"/services/{service_name}/component-instances"
public static final String	COMPONENT_NAME	"component_name"
public static final String	COMPONENT_PATH	"/services/{service_name}/components/{component_name}"
public static final String	COMPONENTS	"components"
public static final String	COMPONENTS_PATH	"/services/{service_name}/components"
public static final String	CONTEXT_ROOT	"/v1"
public static final String	MEDIA_TYPE_JSON_UTF8	"application/json;charset=utf-8"
public static final String	PARAM_COMP_NAME	"componentName"
public static final String	PARAM_CONTAINER_STATE	"containerState"
public static final String	PARAM_VERSION	"version"
public static final String	SERVICE_NAME	"service_name"
public static final String	SERVICE_PATH	"/services/{service_name}"
public static final String	SERVICE_ROOT_PATH	"/services"
public static final String	VERSION	"/services/version"

org.apache.hadoop.yarn.service.conf.SliderExitCodes

Modifier and Type	Constant Field	Value
public static final int	_EXIT_CODE_BASE	64
public static final int	EXIT_APPLICATION_IN_USE	73
public static final int	EXIT_BAD_CONFIGURATION	77
public static final int	EXIT_BAD_STATE	70
public static final int	EXIT_DEPLOYMENT_FAILED	72
public static final int	EXIT_INSTANCE_EXISTS	75
public static final int	EXIT_PROCESS_FAILED	71
public static final int	EXIT_TIMED_OUT	67
public static final int	EXIT_UNKNOWN_INSTANCE	69
public static final int	EXIT_YARN_SERVICE_FAILED	65
public static final int	EXIT_YARN_SERVICE_FINISHED_WITH_ERROR	68
public static final int	EXIT_YARN_SERVICE_KILLED	66

org.apache.hadoop.yarn.service.conf.YarnServiceConf

Modifier and Type	Constant Field	Value
public static final String	AM_FAILURES_VALIDITY_INTERVAL	"yarn.service.am-failure.validity-interval-ms"
public static final String	AM_RESOURCE_MEM	"yarn.service.am-resource.memory"
public static final String	AM_RESTART_MAX	"yarn.service.am-restart.max-attempts"
public static final String	API_SERVER_ADDRESS	"yarn.service.api-server.address"
public static final String	CLIENT_AM_RETRY_MAX_INTERVAL_MS	"yarn.service.client-am.retry-interval-ms"
public static final String	CLIENT_AM_RETRY_MAX_WAIT_MS	"yarn.service.client-am.retry.max-wait-ms"
public static final String	CONTAINER_FAILURE_THRESHOLD	"yarn.service.container-failure-per-component.threshold"
public static final String	CONTAINER_FAILURE_WINDOW	"yarn.service.failure-count-reset.window"
public static final String	CONTAINER_FAILURES_VALIDITY_INTERVAL	"yarn.service.container-failure.validity-interval-ms"
public static final String	CONTAINER_HEALTH_THRESHOLD_INIT_DELAY_SEC	"yarn.service.container-health-threshold.init-delay-secs"
public static final String	CONTAINER_HEALTH_THRESHOLD_PERCENT	"yarn.service.container-health-threshold.percent"
public static final int	CONTAINER_HEALTH_THRESHOLD_PERCENT_DISABLED	-1
public static final String	CONTAINER_HEALTH_THRESHOLD_POLL_FREQUENCY_SEC	"yarn.service.container-health-threshold.poll-frequency-secs"
public static final String	CONTAINER_HEALTH_THRESHOLD_WINDOW_SEC	"yarn.service.container-health-threshold.window-secs"
public static final String	CONTAINER_RECOVERY_TIMEOUT_MS	"yarn.service.container-recovery.timeout.ms"
public static final String	CONTAINER_RETRY_INTERVAL	"yarn.service.container-failure.retry-interval-ms"
public static final String	CONTAINER_RETRY_MAX	"yarn.service.container-failure.retry.max"
public static final long	DEFAULT_AM_FAILURES_VALIDITY_INTERVAL	-1L
public static final String	DEFAULT_AM_JVM_XMX	" -Xmx768m "
public static final int	DEFAULT_AM_RESTART_MAX	20
public static final String	DEFAULT_API_SERVER_ADDRESS	"0.0.0.0:"
public static final int	DEFAULT_API_SERVER_PORT	9191
public static final long	DEFAULT_CLIENT_AM_RETRY_MAX_INTERVAL_MS	2000L
public static final long	DEFAULT_CLIENT_AM_RETRY_MAX_WAIT_MS	900000L
public static final int	DEFAULT_CONTAINER_FAILURE_THRESHOLD	10
public static final long	DEFAULT_CONTAINER_FAILURE_WINDOW	21600L
public static final long	DEFAULT_CONTAINER_FAILURES_VALIDITY_INTERVAL	600000L
public static final long	DEFAULT_CONTAINER_HEALTH_THRESHOLD_INIT_DELAY_SEC	600L
public static final int	DEFAULT_CONTAINER_HEALTH_THRESHOLD_PERCENT	-1
public static final long	DEFAULT_CONTAINER_HEALTH_THRESHOLD_POLL_FREQUENCY_SEC	10L
public static final long	DEFAULT_CONTAINER_HEALTH_THRESHOLD_WINDOW_SEC	600L
public static final int	DEFAULT_CONTAINER_RECOVERY_TIMEOUT_MS	120000
public static final int	DEFAULT_CONTAINER_RETRY_INTERVAL	30000
public static final int	DEFAULT_CONTAINER_RETRY_MAX	10
public static final long	DEFAULT_KEY_AM_RESOURCE_MEM	1024L
public static final int	DEFAULT_NODE_BLACKLIST_THRESHOLD	3
public static final String	DEFAULT_READINESS_CHECK_ENABLED	"yarn.service.default-readiness-check.enabled"
public static final boolean	DEFAULT_READINESS_CHECK_ENABLED_DEFAULT	true
public static final int	DEFAULT_READINESS_CHECK_INTERVAL	30
public static final String	DEFAULT_YARN_QUEUE	"default"
public static final String	DEPENDENCY_TARBALL_PATH	"yarn.service.framework.path"
public static final String	FINAL_LOG_EXCLUSION_PATTERN	"yarn.service.log.exclude-pattern"
public static final String	FINAL_LOG_INCLUSION_PATTERN	"yarn.service.log.include-pattern"
public static final String	JVM_OPTS	"yarn.service.am.java.opts"
public static final String	NODE_BLACKLIST_THRESHOLD	"yarn.service.node-blacklist.threshold"
public static final String	READINESS_CHECK_INTERVAL	"yarn.service.readiness-check-interval.seconds"
public static final String	ROLLING_LOG_EXCLUSION_PATTERN	"yarn.service.rolling-log.exclude-pattern"
public static final String	ROLLING_LOG_INCLUSION_PATTERN	"yarn.service.rolling-log.include-pattern"
public static final String	YARN_QUEUE	"yarn.service.queue"
public static final String	YARN_SERVICE_AM_CLIENT_PORT_RANGE	"yarn.service.am.client.port-range"
public static final String	YARN_SERVICE_BASE_PATH	"yarn.service.base.path"
public static final String	YARN_SERVICE_CLASSPATH	"yarn.service.classpath"
public static final String	YARN_SERVICE_CONTAINER_HEALTH_THRESHOLD_PREFIX	"yarn.service.container-health-threshold."
public static final String	YARN_SERVICE_UPGRADE_ENABLED	"yarn.service.upgrade.enabled"
public static final boolean	YARN_SERVICE_UPGRADE_ENABLED_DEFAULT	false
public static final String	YARN_SERVICES_SYSTEM_SERVICE_DIRECTORY	"yarn.service.system-service.dir"

org.apache.hadoop.yarn.service.conf.YarnServiceConstants

Modifier and Type	Constant Field	Value
public static final String	APP_CONF_DIR	"conf"
public static final String	APP_LIB_DIR	"lib"
public static final String	APP_RESOURCES_DIR	"resources"
public static final String	APP_TYPE	"yarn-service"
public static final String	CONTAINER_STATE_REPORT_AS_SERVICE_STATE	"yarn.service.container-state-report-as-service-state"
public static final String	CONTENT	"content"
public static final String	DEPENDENCY_DIR	"/yarn-services/%s/"
public static final String	DEPENDENCY_DIR_PERMISSIONS	"755"
public static final String	DEPENDENCY_LOCALIZED_DIR_LINK	"service_dep"
public static final String	DEPENDENCY_TAR_GZ_FILE_EXT	".tar.gz"
public static final String	DEPENDENCY_TAR_GZ_FILE_NAME	"service-dep"
public static final String	ERR_FILE	"stderr.txt"
public static final String	HADOOP_USER_NAME	"HADOOP_USER_NAME"
public static final String	KEYTAB_DIR	"keytabs"
public static final String	KEYTAB_LOCATION	"keytabs/%s.keytab"
public static final String	OUT_FILE	"stdout.txt"
public static final String	PRINCIPAL	"yarn.service.am.principal"
public static final String	PROPERTY_LIB_DIR	"service.libdir"
public static final String	RESOURCE_DIR	"resources"
public static final String	SERVICE_BASE_DIRECTORY	".yarn"
public static final String	SERVICE_CORE_JAR	"yarn-service-core.jar"
public static final String	SERVICES_DIRECTORY	"services"
public static final String	SERVICES_PUBLIC_DIRECTORY	"/tmp/hadoop-yarn/staging/"
public static final String	STDERR_AM	"serviceam-err.txt"
public static final String	STDOUT_AM	"serviceam-out.txt"
public static final String	SUBMITTED_CONF_DIR	"conf"
public static final String	SYSPROP_LOG_DIR	"LOG_DIR"
public static final String	SYSPROP_LOG4J_CONFIGURATION	"log4j.configuration"
public static final String	TMP_DIR_PREFIX	"tmp"
public static final String	UPGRADE_DIR	"upgrade"
public static final String	YARN_SERVICE_LOG4J_FILENAME	"yarnservice-log4j.properties"

org.apache.hadoop.yarn.service.containerlaunch.AbstractLauncher

Modifier and Type	Constant Field	Value
public static final String	CLASSPATH	"CLASSPATH"
public static final String	ENV_DOCKER_CONTAINER_MOUNTS	"YARN_CONTAINER_RUNTIME_DOCKER_MOUNTS"

org.apache.hadoop.yarn.service.containerlaunch.ClasspathConstructor

Modifier and Type	Constant Field	Value
public static final String	CLASS_PATH_SEPARATOR	"<CPS>"

org.apache.hadoop.yarn.service.exceptions.ErrorStrings

Modifier and Type	Constant Field	Value
public static final String	ERROR_DUPLICATE_ENTRY	"Duplicate entry for "
public static final String	ERROR_NO_ACTION	"No action specified"
public static final String	ERROR_NOT_ENOUGH_ARGUMENTS	"Not enough arguments for action: "
public static final String	ERROR_PARSE_FAILURE	"Failed to parse "
public static final String	ERROR_TOO_MANY_ARGUMENTS	"Too many arguments"
public static final String	ERROR_UNKNOWN_ACTION	"Unknown command: "
public static final String	PRINTF_E_INSTANCE_ALREADY_EXISTS	"Service Instance \"%s\" already exists and is defined in %s"
public static final String	PRINTF_E_INSTANCE_DIR_ALREADY_EXISTS	"Service Instance dir already exists: %s"
public static final String	SERVICE_UPGRADE_DISABLED	"Service upgrade is disabled."

org.apache.hadoop.yarn.service.exceptions.LauncherExitCodes

Modifier and Type	Constant Field	Value
public static final int	EXIT_CLIENT_INITIATED_SHUTDOWN	1
public static final int	EXIT_COMMAND_ARGUMENT_ERROR	40
public static final int	EXIT_CONFLICT	49
public static final int	EXIT_CONNECTIVITY_PROBLEM	48
public static final int	EXIT_EXCEPTION_THROWN	56
public static final int	EXIT_FALSE	-1
public static final int	EXIT_FORBIDDEN	43
public static final int	EXIT_FOUND	32
public static final int	EXIT_INTERNAL_ERROR	50
public static final int	EXIT_INTERRUPTED	3
public static final int	EXIT_MOVED	31
public static final int	EXIT_NOT_ACCEPTABLE	46
public static final int	EXIT_NOT_FOUND	44
public static final int	EXIT_NOT_MODIFIED	34
public static final int	EXIT_OPERATION_NOT_ALLOWED	45
public static final int	EXIT_OTHER_FAILURE	5
public static final int	EXIT_SERVICE_UNAVAILABLE	53
public static final int	EXIT_SUCCESS	0
public static final int	EXIT_TASK_LAUNCH_FAILURE	2
public static final int	EXIT_UNAUTHORIZED	41
public static final int	EXIT_UNIMPLEMENTED	51
public static final int	EXIT_UNSUPPORTED_VERSION	55
public static final int	EXIT_USAGE	4

org.apache.hadoop.yarn.service.exceptions.RestApiErrorMessages

Modifier and Type	Constant Field	Value
public static final String	ERROR_ABSENT_LAUNCH_COMMAND	"launch_command is required when type is not DOCKER"
public static final String	ERROR_ABSENT_NUM_OF_INSTANCE	"Num of instances should appear either globally or per component"
public static final String	ERROR_APPLICATION_DOES_NOT_EXIST	"Service not found"
public static final String	ERROR_APPLICATION_IN_USE	"Service already exists in started state"
public static final String	ERROR_APPLICATION_INSTANCE_EXISTS	"Service already exists in stopped/failed state (either restart with PUT or destroy with DELETE before creating a new one)"
public static final String	ERROR_APPLICATION_NAME_INVALID	"Service name is either empty or not provided"
public static final String	ERROR_APPLICATION_NAME_INVALID_FORMAT	"Service name %s is not valid - only lower case letters, digits, and hyphen are allowed, and the name must be no more than 63 characters"
public static final String	ERROR_APPLICATION_NOT_RUNNING	"Service not running"
public static final String	ERROR_APPLICATION_VERSION_INVALID	"Version of service %s is either empty or not provided"
public static final String	ERROR_ARTIFACT_FOR_COMP_INVALID	"Artifact is not provided for component %s (nor at the global level)"
public static final String	ERROR_ARTIFACT_ID_FOR_COMP_INVALID	"Artifact id (like docker image name) is either empty or not provided for component %s (nor at the global level)"
public static final String	ERROR_ARTIFACT_ID_INVALID	"Artifact id (like docker image name) is either empty or not provided"
public static final String	ERROR_ARTIFACT_INVALID	"Artifact is not provided"
public static final String	ERROR_ARTIFACT_PATH_FOR_COMP_INVALID	"For component %s with %s artifact, path does not exist: %s"
public static final String	ERROR_COMP_DOES_NOT_NEED_UPGRADE	"The component (%s) does not need an upgrade."
public static final String	ERROR_COMP_INSTANCE_DOES_NOT_NEED_UPGRADE	"The component instance (%s) does not need an upgrade."
public static final String	ERROR_COMPONENT_NAME_CONFLICTS_WITH_SERVICE_NAME	"Component name %s must not be same as service name %s"
public static final String	ERROR_COMPONENT_NAME_INVALID	"Component name must be no more than %s characters: %s"
public static final String	ERROR_CONFIGFILE_DEST_FILE_FOR_COMP_NOT_ABSOLUTE	"For component %s with %s artifact, dest_file must be a relative path: %s"
public static final String	ERROR_CONTAINERS_COUNT_FOR_COMP_INVALID	"Invalid no of containers specified for component %s (nor at the global level)"
public static final String	ERROR_CONTAINERS_COUNT_INVALID	"Invalid no of containers specified"
public static final String	ERROR_DEPENDENCY_CYCLE	"Invalid dependencies, a cycle may exist: %s"
public static final String	ERROR_DEPENDENCY_INVALID	"Dependency %s for component %s is invalid, does not exist as a component"
public static final String	ERROR_JVM_OPTS	"Invalid character in yarn.service.am.java.opts."
public static final String	ERROR_KERBEROS_PRINCIPAL_MISSING	"Kerberos principal or keytab is missing."
public static final String	ERROR_KERBEROS_PRINCIPAL_NAME_FORMAT	"Kerberos principal (%s) does not contain a hostname."
public static final String	ERROR_NULL_ARTIFACT_ID	"Artifact Id can not be null if artifact type is none"
public static final String	ERROR_PLACEMENT_POLICY_CONSTRAINT_SCOPE_NULL	"Scope not specified for constraint %sin placement policy of component %s."
public static final String	ERROR_PLACEMENT_POLICY_CONSTRAINT_TAGS_NULL	"Tag(s) not specified for constraint %sin placement policy of component %s."
public static final String	ERROR_PLACEMENT_POLICY_CONSTRAINT_TYPE_NULL	"Type not specified for constraint %sin placement policy of component %s."
public static final String	ERROR_PLACEMENT_POLICY_EXPRESSION_ELEMENT_NAME_INVALID	"Invalid expression element name %s specified in placement policy of component %s. Expression element names should be a valid constraint name or an expression name defined for this component only."
public static final String	ERROR_PLACEMENT_POLICY_TAG_NAME_INVALID	"Invalid target tag %s specified in placement policy of component %s. Target tags should be a valid component name in the service."
public static final String	ERROR_PLACEMENT_POLICY_TAG_NAME_NOT_SAME	"Invalid target tag %s specified in placement policy of component %s. For now, target tags support self reference only. Specifying anything other than its component name is not supported. Set target tag of component %s to %s."
public static final String	ERROR_QUICKLINKS_FOR_COMP_INVALID	"Quicklinks specified at component level, needs corresponding values set at service level"
public static final String	ERROR_RESOURCE_CPUS_FOR_COMP_INVALID	"Service resource or cpus not provided for component %s (nor at the global level)"
public static final String	ERROR_RESOURCE_CPUS_FOR_COMP_INVALID_RANGE	"Unacceptable no of cpus specified, either zero or negative for component %s (or at the global level)"
public static final String	ERROR_RESOURCE_CPUS_INVALID	"Service resource or cpus not provided"
public static final String	ERROR_RESOURCE_CPUS_INVALID_RANGE	"Unacceptable no of cpus specified, either zero or negative"
public static final String	ERROR_RESOURCE_FOR_COMP_INVALID	"Resource is not provided for component %s (nor at the global level)"
public static final String	ERROR_RESOURCE_INVALID	"Resource is not provided"
public static final String	ERROR_RESOURCE_MEMORY_FOR_COMP_INVALID	"Service resource or memory not provided for component %s (nor at the global level)"
public static final String	ERROR_RESOURCE_MEMORY_INVALID	"Service resource or memory not provided"
public static final String	ERROR_RESOURCE_PROFILE_MULTIPLE_VALUES_FOR_COMP_NOT_SUPPORTED	"Cannot specify cpus/memory along with profile for component %s"
public static final String	ERROR_RESOURCE_PROFILE_MULTIPLE_VALUES_NOT_SUPPORTED	"Cannot specify cpus/memory along with profile"
public static final String	ERROR_RESOURCE_PROFILE_NOT_SUPPORTED_YET	"Resource profile is not supported yet. Please specify cpus/memory."
public static final String	ERROR_SUFFIX_FOR_COMPONENT	" for component %s (nor at the global level)"
public static final String	ERROR_USER_NAME_INVALID	"User name must be no more than 63 characters"

org.apache.hadoop.yarn.service.monitor.probe.MonitorKeys

Modifier and Type	Constant Field	Value
public static final String	DEFAULT_PROBE_DNS_ADDRESS	"dns.address"
public static final String	DEFAULT_PROBE_DNS_CHECK_ENABLED	"dns.check.enabled"
public static final boolean	DEFAULT_PROBE_DNS_CHECK_ENABLED_DEFAULT	false
public static final String	PORT_PROBE_CONNECT_TIMEOUT	"timeout"
public static final int	PORT_PROBE_CONNECT_TIMEOUT_DEFAULT	1000
public static final String	PORT_PROBE_PORT	"port"
public static final String	WEB_PROBE_CONNECT_TIMEOUT	"timeout"
public static final int	WEB_PROBE_CONNECT_TIMEOUT_DEFAULT	1000
public static final String	WEB_PROBE_MAX_SUCCESS	"max.success"
public static final int	WEB_PROBE_MAX_SUCCESS_DEFAULT	299
public static final String	WEB_PROBE_MIN_SUCCESS	"min.success"
public static final int	WEB_PROBE_MIN_SUCCESS_DEFAULT	200
public static final String	WEB_PROBE_URL	"url"

org.apache.hadoop.yarn.service.provider.docker.DockerKeys

Modifier and Type	Constant Field	Value
public static final String	DOCKER_NETWORK	"docker.network"
public static final String	DOCKER_PREFIX	"docker."

org.apache.hadoop.yarn.service.registry.CustomRegistryConstants

Modifier and Type	Constant Field	Value
public static final String	AGENT_ONEWAY_REST_API	"classpath:org.apache.slider.agents.oneway"
public static final String	AGENT_SECURE_REST_API	"classpath:org.apache.slider.agents.secure"
public static final String	AM_IPC_PROTOCOL	"classpath:org.apache.slider.appmaster.ipc"
public static final String	AM_REST_BASE	"classpath:org.apache.slider.client.rest"
public static final String	MANAGEMENT_REST_API	"classpath:org.apache.slider.management"
public static final String	PUBLISHER_CONFIGURATIONS_API	"classpath:org.apache.slider.publisher.configurations"
public static final String	PUBLISHER_DOCUMENTS_API	"classpath:org.apache.slider.publisher.documents"
public static final String	PUBLISHER_EXPORTS_API	"classpath:org.apache.slider.publisher.exports"
public static final String	PUBLISHER_REST_API	"classpath:org.apache.slider.publisher"
public static final String	REGISTRY_REST_API	"classpath:org.apache.slider.registry"
public static final String	WEB_UI	"http://"

org.apache.hadoop.yarn.service.timelineservice.ServiceTimelineMetricsConstants

Modifier and Type	Constant Field	Value
public static final String	ARTIFACT_ID	"ARTIFACT_ID"
public static final String	ARTIFACT_TYPE	"ARTIFACT_TYPE"
public static final String	ARTIFACT_URI	"ARTIFACT_URI"
public static final String	BARE_HOST	"BARE_HOST"
public static final String	COMPONENT_INSTANCE_NAME	"COMPONENT_INSTANCE_NAME"
public static final String	COMPONENT_NAME	"COMPONENT_NAME"
public static final String	DEPENDENCIES	"DEPENDENCIES"
public static final String	DESCRIPTION	"DESCRIPTION"
public static final String	DIAGNOSTICS_INFO	"DIAGNOSTICS_INFO"
public static final String	EXIT_REASON	"EXIT_REASON"
public static final String	EXIT_STATUS_CODE	"EXIT_STATUS_CODE"
public static final String	EXPOSED_PORTS	"EXPOSED_PORTS"
public static final String	HOSTNAME	"HOSTNAME"
public static final String	IP	"IP"
public static final String	LAUNCH_COMMAND	"LAUNCH_COMMAND"
public static final String	LAUNCH_TIME	"LAUNCH_TIME"
public static final String	NAME	"NAME"
public static final String	PLACEMENT_POLICY	"PLACEMENT_POLICY"
public static final String	QUICK_LINKS	"QUICK_LINKS"
public static final String	RESOURCE_CPU	"RESOURCE_CPU"
public static final String	RESOURCE_MEMORY	"RESOURCE_MEMORY"
public static final String	RESOURCE_PROFILE	"RESOURCE_PROFILE"
public static final String	RUN_PRIVILEGED_CONTAINER	"RUN_PRIVILEGED_CONTAINER"
public static final String	RUNNING_CONTAINERS	"NUMBER_OF_RUNNING_CONTAINERS"
public static final String	STATE	"STATE"
public static final String	TOTAL_CONTAINERS	"NUMBER_OF_CONTAINERS"
public static final String	URI	"URI"

org.apache.hadoop.yarn.service.timelineservice.ServiceTimelinePublisher

Modifier and Type	Constant Field	Value
public static final int	ATS_CONFIG_PUBLISH_SIZE_BYTES	10240

org.apache.hadoop.yarn.service.utils.PatternValidator

Modifier and Type	Constant Field	Value
public static final String	E_INVALID_NAME	"Invalid name %s does not match the pattern %s "

org.apache.hadoop.yarn.service.utils.ServiceRegistryUtils

Modifier and Type	Constant Field	Value
public static final String	SVC_USERS	"/services/yarn/users"

org.apache.hadoop.yarn.service.utils.ZookeeperUtils

Modifier and Type	Constant Field	Value
public static final int	DEFAULT_PORT	2181