org.apache.hadoop.mapreduce
Interface MRJobConfig

All Known Subinterfaces:

JobContext, JobContext, MapContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>, ReduceContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>, TaskAttemptContext, TaskAttemptContext, TaskInputOutputContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>

All Known Implementing Classes:

Job, JobContextImpl, JobContextImpl, MapContextImpl, Mapper.Context, ReduceContextImpl, Reducer.Context, TaskAttemptContextImpl, TaskAttemptContextImpl, TaskInputOutputContextImpl, WrappedMapper.Context, WrappedReducer.Context

@InterfaceAudience.Private
@InterfaceStability.Evolving
public interface MRJobConfig

Field Summary

static String	APPLICATION_ATTEMPT_ID
static String	APPLICATION_MASTER_CLASS
static String	CACHE_ARCHIVES
static String	CACHE_ARCHIVES_SIZES
static String	CACHE_ARCHIVES_TIMESTAMPS
static String	CACHE_ARCHIVES_VISIBILITIES
static String	CACHE_FILE_TIMESTAMPS
static String	CACHE_FILE_VISIBILITIES
static String	CACHE_FILES
static String	CACHE_FILES_SIZES
static String	CACHE_LOCALARCHIVES
static String	CACHE_LOCALFILES
static String	CACHE_SYMLINK Deprecated. Symlinks are always on and cannot be disabled.
static String	CLASSPATH_ARCHIVES
static String	CLASSPATH_FILES
static String	COMBINE_CLASS_ATTR
static String	COMBINE_RECORDS_BEFORE_PROGRESS
static String	COMPLETED_MAPS_FOR_REDUCE_SLOWSTART
static int	COUNTER_GROUP_NAME_MAX_DEFAULT
static String	COUNTER_GROUP_NAME_MAX_KEY
static int	COUNTER_GROUPS_MAX_DEFAULT
static String	COUNTER_GROUPS_MAX_KEY
static int	COUNTER_NAME_MAX_DEFAULT
static String	COUNTER_NAME_MAX_KEY
static int	COUNTERS_MAX_DEFAULT
static String	COUNTERS_MAX_KEY
static String	DEFAULT_JOB_ACL_MODIFY_JOB
static String	DEFAULT_JOB_ACL_VIEW_JOB
static boolean	DEFAULT_JOB_AM_ACCESS_DISABLED
static boolean	DEFAULT_JOB_TOKEN_TRACKING_IDS_ENABLED
static String	DEFAULT_LOG_LEVEL
static int	DEFAULT_MAP_CPU_VCORES
static int	DEFAULT_MAP_MEMORY_MB
static String	DEFAULT_MAPRED_ADMIN_JAVA_OPTS
static String	DEFAULT_MAPRED_ADMIN_USER_ENV
static String	DEFAULT_MAPREDUCE_APPLICATION_CLASSPATH Default CLASSPATH for all YARN MapReduce applications.
static long	DEFAULT_MAX_SHUFFLE_FETCH_RETRY_DELAY
static String	DEFAULT_MR_AM_ADMIN_COMMAND_OPTS
static String	DEFAULT_MR_AM_COMMAND_OPTS
static int	DEFAULT_MR_AM_COMMIT_WINDOW_MS
static int	DEFAULT_MR_AM_COMMITTER_CANCEL_TIMEOUT_MS
static int	DEFAULT_MR_AM_CONTAINERLAUNCHER_THREAD_COUNT_LIMIT
static int	DEFAULT_MR_AM_CPU_VCORES
static long	DEFAULT_MR_AM_HISTORY_COMPLETE_EVENT_FLUSH_TIMEOUT_MS
static int	DEFAULT_MR_AM_HISTORY_JOB_COMPLETE_UNFLUSHED_MULTIPLIER
static int	DEFAULT_MR_AM_HISTORY_MAX_UNFLUSHED_COMPLETE_EVENTS
static int	DEFAULT_MR_AM_HISTORY_USE_BATCHED_FLUSH_QUEUE_SIZE_THRESHOLD
static int	DEFAULT_MR_AM_IGNORE_BLACKLISTING_BLACKLISTED_NODE_PERCENT
static int	DEFAULT_MR_AM_JOB_CLIENT_THREAD_COUNT
static float	DEFAULT_MR_AM_JOB_REDUCE_PREEMPTION_LIMIT
static float	DEFAULT_MR_AM_JOB_REDUCE_RAMP_UP_LIMIT
static String	DEFAULT_MR_AM_LOG_LEVEL
static int	DEFAULT_MR_AM_MAX_ATTEMPTS
static int	DEFAULT_MR_AM_NUM_PROGRESS_SPLITS
static String	DEFAULT_MR_AM_STAGING_DIR
static long	DEFAULT_MR_AM_TASK_ESTIMATOR_SMOOTH_LAMBDA_MS
static int	DEFAULT_MR_AM_TASK_LISTENER_THREAD_COUNT
static int	DEFAULT_MR_AM_TO_RM_HEARTBEAT_INTERVAL_MS
static int	DEFAULT_MR_AM_TO_RM_WAIT_INTERVAL_MS
static int	DEFAULT_MR_AM_VMEM_MB
static int	DEFAULT_MR_CLIENT_MAX_RETRIES
static int	DEFAULT_MR_CLIENT_TO_AM_IPC_MAX_RETRIES
static int	DEFAULT_MR_JOB_END_NOTIFICATION_TIMEOUT
static int	DEFAULT_REDUCE_CPU_VCORES
static int	DEFAULT_REDUCE_MEMORY_MB
static String	DEFAULT_SHELL
static long	DEFAULT_SPLIT_METAINFO_MAXSIZE
static String	GROUP_COMPARATOR_CLASS
static String	HADOOP_WORK_DIR
static String	ID
static String	INDEX_CACHE_MEMORY_LIMIT
static String	INPUT_FORMAT_CLASS_ATTR
static String	IO_SORT_FACTOR
static String	IO_SORT_MB
static String	JAR
static String	JAR_UNPACK_PATTERN
static String	JOB_ACL_MODIFY_JOB
static String	JOB_ACL_VIEW_JOB
static String	JOB_AM_ACCESS_DISABLED AM ACL disabled.
static String	JOB_CANCEL_DELEGATION_TOKEN
static String	JOB_CONF_FILE
static String	JOB_JAR
static String	JOB_JOBTRACKER_ID
static String	JOB_LOCAL_DIR
static String	JOB_NAME
static String	JOB_NAMENODES
static String	JOB_SPLIT
static String	JOB_SPLIT_METAINFO
static String	JOB_SUBMIT_DIR
static String	JOB_SUBMITHOST
static String	JOB_SUBMITHOSTADDR
static String	JOB_TOKEN_TRACKING_IDS
static String	JOB_TOKEN_TRACKING_IDS_ENABLED
static String	JOB_UBERTASK_ENABLE
static String	JOB_UBERTASK_MAXBYTES
static String	JOB_UBERTASK_MAXMAPS
static String	JOB_UBERTASK_MAXREDUCES
static String	JVM_NUMTASKS_TORUN
static String	KEY_COMPARATOR
static String	MAP_CLASS_ATTR
static String	MAP_COMBINE_MIN_SPILLS
static String	MAP_CPU_VCORES
static String	MAP_DEBUG_SCRIPT
static String	MAP_ENV
static String	MAP_FAILURES_MAX_PERCENT
static String	MAP_INPUT_FILE
static String	MAP_INPUT_PATH
static String	MAP_INPUT_START
static String	MAP_JAVA_OPTS
static String	MAP_LOG_LEVEL
static String	MAP_MAX_ATTEMPTS
static String	MAP_MEMORY_MB
static String	MAP_OUTPUT_COLLECTOR_CLASS_ATTR
static String	MAP_OUTPUT_COMPRESS
static String	MAP_OUTPUT_COMPRESS_CODEC
static String	MAP_OUTPUT_KEY_CLASS
static String	MAP_OUTPUT_KEY_FIELD_SEPERATOR
static String	MAP_OUTPUT_VALUE_CLASS
static String	MAP_SKIP_INCR_PROC_COUNT
static String	MAP_SKIP_MAX_RECORDS
static String	MAP_SORT_SPILL_PERCENT
static String	MAP_SPECULATIVE
static String	MAPRED_ADMIN_USER_ENV
static String	MAPRED_ADMIN_USER_SHELL
static String	MAPRED_MAP_ADMIN_JAVA_OPTS
static String	MAPRED_REDUCE_ADMIN_JAVA_OPTS
static String	MAPREDUCE_APPLICATION_CLASSPATH CLASSPATH for all YARN MapReduce applications.
static String	MAPREDUCE_JOB_CLASSLOADER
static String	MAPREDUCE_JOB_CLASSLOADER_SYSTEM_CLASSES
static String	MAPREDUCE_JOB_CREDENTIALS_BINARY
static String	MAPREDUCE_JOB_DIR
static String	MAPREDUCE_JOB_USER_CLASSPATH_FIRST
static String	MAPREDUCE_V2_CHILD_CLASS
static String	MAX_SHUFFLE_FETCH_RETRY_DELAY
static String	MAX_TASK_FAILURES_PER_TRACKER
static String	MR_AM_ADMIN_COMMAND_OPTS Admin command opts passed to the MR app master.
static String	MR_AM_ADMIN_USER_ENV
static String	MR_AM_COMMAND_OPTS Command line arguments passed to the MR app master.
static String	MR_AM_COMMIT_WINDOW_MS Defines a time window in milliseconds for output committer operations.
static String	MR_AM_COMMITTER_CANCEL_TIMEOUT_MS How long to wait in milliseconds for the output committer to cancel an operation when the job is being killed
static String	MR_AM_CONTAINERLAUNCHER_THREAD_COUNT_LIMIT Upper limit on the number of threads user to launch containers in the app master.
static String	MR_AM_CPU_VCORES The number of virtual cores the MR app master needs.
static String	MR_AM_CREATE_JH_INTERMEDIATE_BASE_DIR Boolean.
static String	MR_AM_ENV
static String	MR_AM_HISTORY_COMPLETE_EVENT_FLUSH_TIMEOUT_MS
static String	MR_AM_HISTORY_JOB_COMPLETE_UNFLUSHED_MULTIPLIER
static String	MR_AM_HISTORY_MAX_UNFLUSHED_COMPLETE_EVENTS
static String	MR_AM_HISTORY_USE_BATCHED_FLUSH_QUEUE_SIZE_THRESHOLD
static String	MR_AM_IGNORE_BLACKLISTING_BLACKLISTED_NODE_PERECENT Ignore blacklisting if a certain percentage of nodes have been blacklisted
static String	MR_AM_JOB_CLIENT_PORT_RANGE Range of ports that the MapReduce AM can use when binding.
static String	MR_AM_JOB_CLIENT_THREAD_COUNT Number of threads to handle job client RPC requests.
static String	MR_AM_JOB_NODE_BLACKLISTING_ENABLE Enable blacklisting of nodes in the job.
static String	MR_AM_JOB_RECOVERY_ENABLE Enable job recovery.
static boolean	MR_AM_JOB_RECOVERY_ENABLE_DEFAULT
static String	MR_AM_JOB_REDUCE_PREEMPTION_LIMIT Limit on the number of reducers that can be preempted to ensure that at least one map task can run if it needs to.
static String	MR_AM_JOB_REDUCE_RAMPUP_UP_LIMIT Limit reduces starting until a certain percentage of maps have finished.
static String	MR_AM_JOB_SPECULATOR The class that should be used for speculative execution calculations.
static String	MR_AM_LOG_LEVEL Root Logging level passed to the MR app master.
static String	MR_AM_MAX_ATTEMPTS The maximum number of application attempts.
static String	MR_AM_NUM_PROGRESS_SPLITS The number of splits when reporting progress in MR
static String	MR_AM_PREFIX
static String	MR_AM_SECURITY_SERVICE_AUTHORIZATION_CLIENT
static String	MR_AM_SECURITY_SERVICE_AUTHORIZATION_TASK_UMBILICAL
static String	MR_AM_STAGING_DIR The staging directory for map reduce.
static String	MR_AM_TASK_ESTIMATOR Class used to estimate task resource needs.
static String	MR_AM_TASK_ESTIMATOR_EXPONENTIAL_RATE_ENABLE true if the smoothing rate should be exponential.
static String	MR_AM_TASK_ESTIMATOR_SMOOTH_LAMBDA_MS The lambda value in the smoothing function of the task estimator.
static String	MR_AM_TASK_LISTENER_THREAD_COUNT The number of threads used to handle task RPC calls.
static String	MR_AM_TO_RM_HEARTBEAT_INTERVAL_MS How often the AM should send heartbeats to the RM.
static String	MR_AM_TO_RM_WAIT_INTERVAL_MS If contact with RM is lost, the AM will wait MR_AM_TO_RM_WAIT_INTERVAL_MS milliseconds before aborting.
static String	MR_AM_VMEM_MB The amount of memory the MR app master needs.
static String	MR_APPLICATION_TYPE
static String	MR_CLIENT_MAX_RETRIES The number of client retries to the RM/HS before throwing exception.
static String	MR_CLIENT_TO_AM_IPC_MAX_RETRIES The number of client retires to the AM - before reconnecting to the RM to fetch Application State.
static String	MR_JOB_END_NOTIFICATION_MAX_ATTEMPTS
static String	MR_JOB_END_NOTIFICATION_MAX_RETRY_INTERVAL
static String	MR_JOB_END_NOTIFICATION_PROXY
static String	MR_JOB_END_NOTIFICATION_TIMEOUT
static String	MR_JOB_END_NOTIFICATION_URL Job end notification.
static String	MR_JOB_END_RETRY_ATTEMPTS
static String	MR_JOB_END_RETRY_INTERVAL
static String	MR_PREFIX
static String	NUM_MAP_PROFILES
static String	NUM_MAPS
static String	NUM_REDUCE_PROFILES
static String	NUM_REDUCES
static String	OUTPUT
static String	OUTPUT_FORMAT_CLASS_ATTR
static String	OUTPUT_KEY_CLASS
static String	OUTPUT_VALUE_CLASS
static String	PARTITIONER_CLASS_ATTR
static String	PRESERVE_FAILED_TASK_FILES
static String	PRESERVE_FILES_PATTERN
static String	PRIORITY
static String	QUEUE_NAME
static String	RECORDS_BEFORE_PROGRESS
static String	REDUCE_CLASS_ATTR
static String	REDUCE_CPU_VCORES
static String	REDUCE_DEBUG_SCRIPT
static String	REDUCE_ENV
static String	REDUCE_FAILURES_MAXPERCENT
static String	REDUCE_INPUT_BUFFER_PERCENT
static String	REDUCE_JAVA_OPTS
static String	REDUCE_LOG_LEVEL
static String	REDUCE_MARKRESET_BUFFER_PERCENT
static String	REDUCE_MARKRESET_BUFFER_SIZE
static String	REDUCE_MAX_ATTEMPTS
static String	REDUCE_MEMORY_MB
static String	REDUCE_MEMORY_TOTAL_BYTES
static String	REDUCE_MEMTOMEM_ENABLED
static String	REDUCE_MEMTOMEM_THRESHOLD
static String	REDUCE_MERGE_INMEM_THRESHOLD
static String	REDUCE_SKIP_INCR_PROC_COUNT
static String	REDUCE_SKIP_MAXGROUPS
static String	REDUCE_SPECULATIVE
static String	SETUP_CLEANUP_NEEDED
static String	SHUFFLE_CONNECT_TIMEOUT
static String	SHUFFLE_FETCH_FAILURES
static String	SHUFFLE_INPUT_BUFFER_PERCENT
static String	SHUFFLE_MEMORY_LIMIT_PERCENT
static String	SHUFFLE_MERGE_PERCENT
static String	SHUFFLE_NOTIFY_READERROR
static String	SHUFFLE_PARALLEL_COPIES
static String	SHUFFLE_READ_TIMEOUT
static String	SKIP_OUTDIR
static String	SKIP_RECORDS
static String	SKIP_START_ATTEMPTS
static String	SPECULATIVE_SLOWNODE_THRESHOLD
static String	SPECULATIVE_SLOWTASK_THRESHOLD
static String	SPECULATIVECAP
static String	SPLIT_FILE
static String	SPLIT_METAINFO_MAXSIZE
static String	STDERR_LOGFILE_ENV
static String	STDOUT_LOGFILE_ENV
static String	TASK_ATTEMPT_ID
static String	TASK_CLEANUP_NEEDED
static String	TASK_DEBUGOUT_LINES
static String	TASK_ID
static String	TASK_ISMAP
static String	TASK_MAP_PROFILE_PARAMS
static String	TASK_OUTPUT_DIR
static String	TASK_PARTITION
static String	TASK_PROFILE
static String	TASK_PROFILE_PARAMS
static String	TASK_REDUCE_PROFILE_PARAMS
static String	TASK_TEMP_DIR
static String	TASK_TIMEOUT
static String	TASK_TIMEOUT_CHECK_INTERVAL_MS
static String	TASK_USERLOG_LIMIT
static String	USER_LOG_RETAIN_HOURS
static String	USER_NAME
static String	WORKDIR
static String	WORKFLOW_ADJACENCY_PREFIX_PATTERN
static String	WORKFLOW_ADJACENCY_PREFIX_STRING
static String	WORKFLOW_ID
static String	WORKFLOW_NAME
static String	WORKFLOW_NODE_NAME
static String	WORKFLOW_TAGS
static String	WORKING_DIR

Field Detail

INPUT_FORMAT_CLASS_ATTR

static final String INPUT_FORMAT_CLASS_ATTR

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Constant Field Values

MAP_CLASS_ATTR

static final String MAP_CLASS_ATTR

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MAP_OUTPUT_COLLECTOR_CLASS_ATTR

static final String MAP_OUTPUT_COLLECTOR_CLASS_ATTR

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COMBINE_CLASS_ATTR

static final String COMBINE_CLASS_ATTR

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REDUCE_CLASS_ATTR

static final String REDUCE_CLASS_ATTR

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OUTPUT_FORMAT_CLASS_ATTR

static final String OUTPUT_FORMAT_CLASS_ATTR

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PARTITIONER_CLASS_ATTR

static final String PARTITIONER_CLASS_ATTR

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SETUP_CLEANUP_NEEDED

static final String SETUP_CLEANUP_NEEDED

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TASK_CLEANUP_NEEDED

static final String TASK_CLEANUP_NEEDED

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JAR

static final String JAR

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ID

static final String ID

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JOB_NAME

static final String JOB_NAME

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JAR_UNPACK_PATTERN

static final String JAR_UNPACK_PATTERN

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USER_NAME

static final String USER_NAME

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PRIORITY

static final String PRIORITY

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QUEUE_NAME

static final String QUEUE_NAME

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JVM_NUMTASKS_TORUN

static final String JVM_NUMTASKS_TORUN

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SPLIT_FILE

static final String SPLIT_FILE

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SPLIT_METAINFO_MAXSIZE

static final String SPLIT_METAINFO_MAXSIZE

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DEFAULT_SPLIT_METAINFO_MAXSIZE

static final long DEFAULT_SPLIT_METAINFO_MAXSIZE

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NUM_MAPS

static final String NUM_MAPS

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MAX_TASK_FAILURES_PER_TRACKER

static final String MAX_TASK_FAILURES_PER_TRACKER

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COMPLETED_MAPS_FOR_REDUCE_SLOWSTART

static final String COMPLETED_MAPS_FOR_REDUCE_SLOWSTART

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NUM_REDUCES

static final String NUM_REDUCES

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SKIP_RECORDS

static final String SKIP_RECORDS

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SKIP_OUTDIR

static final String SKIP_OUTDIR

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SPECULATIVE_SLOWNODE_THRESHOLD

static final String SPECULATIVE_SLOWNODE_THRESHOLD

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SPECULATIVE_SLOWTASK_THRESHOLD

static final String SPECULATIVE_SLOWTASK_THRESHOLD

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SPECULATIVECAP

static final String SPECULATIVECAP

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JOB_LOCAL_DIR

static final String JOB_LOCAL_DIR

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OUTPUT_KEY_CLASS

static final String OUTPUT_KEY_CLASS

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OUTPUT_VALUE_CLASS

static final String OUTPUT_VALUE_CLASS

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KEY_COMPARATOR

static final String KEY_COMPARATOR

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GROUP_COMPARATOR_CLASS

static final String GROUP_COMPARATOR_CLASS

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WORKING_DIR

static final String WORKING_DIR

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CLASSPATH_ARCHIVES

static final String CLASSPATH_ARCHIVES

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CLASSPATH_FILES

static final String CLASSPATH_FILES

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CACHE_FILES

static final String CACHE_FILES

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CACHE_ARCHIVES

static final String CACHE_ARCHIVES

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CACHE_FILES_SIZES

static final String CACHE_FILES_SIZES

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CACHE_ARCHIVES_SIZES

static final String CACHE_ARCHIVES_SIZES

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CACHE_LOCALFILES

static final String CACHE_LOCALFILES

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CACHE_LOCALARCHIVES

static final String CACHE_LOCALARCHIVES

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CACHE_FILE_TIMESTAMPS

static final String CACHE_FILE_TIMESTAMPS

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CACHE_ARCHIVES_TIMESTAMPS

static final String CACHE_ARCHIVES_TIMESTAMPS

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CACHE_FILE_VISIBILITIES

static final String CACHE_FILE_VISIBILITIES

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CACHE_ARCHIVES_VISIBILITIES

static final String CACHE_ARCHIVES_VISIBILITIES

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CACHE_SYMLINK

@Deprecated
static final String CACHE_SYMLINK

Deprecated. Symlinks are always on and cannot be disabled.

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USER_LOG_RETAIN_HOURS

static final String USER_LOG_RETAIN_HOURS

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MAPREDUCE_JOB_USER_CLASSPATH_FIRST

static final String MAPREDUCE_JOB_USER_CLASSPATH_FIRST

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MAPREDUCE_JOB_CLASSLOADER

static final String MAPREDUCE_JOB_CLASSLOADER

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MAPREDUCE_JOB_CLASSLOADER_SYSTEM_CLASSES

static final String MAPREDUCE_JOB_CLASSLOADER_SYSTEM_CLASSES

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IO_SORT_FACTOR

static final String IO_SORT_FACTOR

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IO_SORT_MB

static final String IO_SORT_MB

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INDEX_CACHE_MEMORY_LIMIT

static final String INDEX_CACHE_MEMORY_LIMIT

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PRESERVE_FAILED_TASK_FILES

static final String PRESERVE_FAILED_TASK_FILES

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PRESERVE_FILES_PATTERN

static final String PRESERVE_FILES_PATTERN

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TASK_TEMP_DIR

static final String TASK_TEMP_DIR

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TASK_DEBUGOUT_LINES

static final String TASK_DEBUGOUT_LINES

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RECORDS_BEFORE_PROGRESS

static final String RECORDS_BEFORE_PROGRESS

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SKIP_START_ATTEMPTS

static final String SKIP_START_ATTEMPTS

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TASK_ATTEMPT_ID

static final String TASK_ATTEMPT_ID

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TASK_ISMAP

static final String TASK_ISMAP

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TASK_PARTITION

static final String TASK_PARTITION

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TASK_PROFILE

static final String TASK_PROFILE

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TASK_PROFILE_PARAMS

static final String TASK_PROFILE_PARAMS

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NUM_MAP_PROFILES

static final String NUM_MAP_PROFILES

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NUM_REDUCE_PROFILES

static final String NUM_REDUCE_PROFILES

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TASK_MAP_PROFILE_PARAMS

static final String TASK_MAP_PROFILE_PARAMS

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TASK_REDUCE_PROFILE_PARAMS

static final String TASK_REDUCE_PROFILE_PARAMS

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TASK_TIMEOUT

static final String TASK_TIMEOUT

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TASK_TIMEOUT_CHECK_INTERVAL_MS

static final String TASK_TIMEOUT_CHECK_INTERVAL_MS

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TASK_ID

static final String TASK_ID

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TASK_OUTPUT_DIR

static final String TASK_OUTPUT_DIR

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TASK_USERLOG_LIMIT

static final String TASK_USERLOG_LIMIT

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MAP_SORT_SPILL_PERCENT

static final String MAP_SORT_SPILL_PERCENT

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MAP_INPUT_FILE

static final String MAP_INPUT_FILE

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MAP_INPUT_PATH

static final String MAP_INPUT_PATH

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MAP_INPUT_START

static final String MAP_INPUT_START

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MAP_MEMORY_MB

static final String MAP_MEMORY_MB

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DEFAULT_MAP_MEMORY_MB

static final int DEFAULT_MAP_MEMORY_MB

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MAP_CPU_VCORES

static final String MAP_CPU_VCORES

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DEFAULT_MAP_CPU_VCORES

static final int DEFAULT_MAP_CPU_VCORES

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MAP_ENV

static final String MAP_ENV

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MAP_JAVA_OPTS

static final String MAP_JAVA_OPTS

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MAP_MAX_ATTEMPTS

static final String MAP_MAX_ATTEMPTS

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MAP_DEBUG_SCRIPT

static final String MAP_DEBUG_SCRIPT

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MAP_SPECULATIVE

static final String MAP_SPECULATIVE

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MAP_FAILURES_MAX_PERCENT

static final String MAP_FAILURES_MAX_PERCENT

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MAP_SKIP_INCR_PROC_COUNT

static final String MAP_SKIP_INCR_PROC_COUNT

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MAP_SKIP_MAX_RECORDS

static final String MAP_SKIP_MAX_RECORDS

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MAP_COMBINE_MIN_SPILLS

static final String MAP_COMBINE_MIN_SPILLS

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MAP_OUTPUT_COMPRESS

static final String MAP_OUTPUT_COMPRESS

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MAP_OUTPUT_COMPRESS_CODEC

static final String MAP_OUTPUT_COMPRESS_CODEC

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MAP_OUTPUT_KEY_CLASS

static final String MAP_OUTPUT_KEY_CLASS

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MAP_OUTPUT_VALUE_CLASS

static final String MAP_OUTPUT_VALUE_CLASS

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MAP_OUTPUT_KEY_FIELD_SEPERATOR

static final String MAP_OUTPUT_KEY_FIELD_SEPERATOR

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MAP_LOG_LEVEL

static final String MAP_LOG_LEVEL

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REDUCE_LOG_LEVEL

static final String REDUCE_LOG_LEVEL

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DEFAULT_LOG_LEVEL

static final String DEFAULT_LOG_LEVEL

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REDUCE_MERGE_INMEM_THRESHOLD

static final String REDUCE_MERGE_INMEM_THRESHOLD

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REDUCE_INPUT_BUFFER_PERCENT

static final String REDUCE_INPUT_BUFFER_PERCENT

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REDUCE_MARKRESET_BUFFER_PERCENT

static final String REDUCE_MARKRESET_BUFFER_PERCENT

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REDUCE_MARKRESET_BUFFER_SIZE

static final String REDUCE_MARKRESET_BUFFER_SIZE

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REDUCE_MEMORY_MB

static final String REDUCE_MEMORY_MB

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DEFAULT_REDUCE_MEMORY_MB

static final int DEFAULT_REDUCE_MEMORY_MB

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REDUCE_CPU_VCORES

static final String REDUCE_CPU_VCORES

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DEFAULT_REDUCE_CPU_VCORES

static final int DEFAULT_REDUCE_CPU_VCORES

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Constant Field Values

REDUCE_MEMORY_TOTAL_BYTES

static final String REDUCE_MEMORY_TOTAL_BYTES

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Constant Field Values

SHUFFLE_INPUT_BUFFER_PERCENT

static final String SHUFFLE_INPUT_BUFFER_PERCENT

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Constant Field Values

SHUFFLE_MEMORY_LIMIT_PERCENT

static final String SHUFFLE_MEMORY_LIMIT_PERCENT

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Constant Field Values

SHUFFLE_MERGE_PERCENT

static final String SHUFFLE_MERGE_PERCENT

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Constant Field Values

REDUCE_FAILURES_MAXPERCENT

static final String REDUCE_FAILURES_MAXPERCENT

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Constant Field Values

REDUCE_ENV

static final String REDUCE_ENV

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Constant Field Values

REDUCE_JAVA_OPTS

static final String REDUCE_JAVA_OPTS

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Constant Field Values

MAPREDUCE_JOB_DIR

static final String MAPREDUCE_JOB_DIR

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Constant Field Values

REDUCE_MAX_ATTEMPTS

static final String REDUCE_MAX_ATTEMPTS

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Constant Field Values

SHUFFLE_PARALLEL_COPIES

static final String SHUFFLE_PARALLEL_COPIES

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Constant Field Values

REDUCE_DEBUG_SCRIPT

static final String REDUCE_DEBUG_SCRIPT

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Constant Field Values

REDUCE_SPECULATIVE

static final String REDUCE_SPECULATIVE

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Constant Field Values

SHUFFLE_CONNECT_TIMEOUT

static final String SHUFFLE_CONNECT_TIMEOUT

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Constant Field Values

SHUFFLE_READ_TIMEOUT

static final String SHUFFLE_READ_TIMEOUT

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Constant Field Values

SHUFFLE_FETCH_FAILURES

static final String SHUFFLE_FETCH_FAILURES

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Constant Field Values

SHUFFLE_NOTIFY_READERROR

static final String SHUFFLE_NOTIFY_READERROR

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Constant Field Values

MAX_SHUFFLE_FETCH_RETRY_DELAY

static final String MAX_SHUFFLE_FETCH_RETRY_DELAY

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Constant Field Values

DEFAULT_MAX_SHUFFLE_FETCH_RETRY_DELAY

static final long DEFAULT_MAX_SHUFFLE_FETCH_RETRY_DELAY

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Constant Field Values

REDUCE_SKIP_INCR_PROC_COUNT

static final String REDUCE_SKIP_INCR_PROC_COUNT

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Constant Field Values

REDUCE_SKIP_MAXGROUPS

static final String REDUCE_SKIP_MAXGROUPS

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Constant Field Values

REDUCE_MEMTOMEM_THRESHOLD

static final String REDUCE_MEMTOMEM_THRESHOLD

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Constant Field Values

REDUCE_MEMTOMEM_ENABLED

static final String REDUCE_MEMTOMEM_ENABLED

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Constant Field Values

COMBINE_RECORDS_BEFORE_PROGRESS

static final String COMBINE_RECORDS_BEFORE_PROGRESS

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Constant Field Values

JOB_NAMENODES

static final String JOB_NAMENODES

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Constant Field Values

JOB_JOBTRACKER_ID

static final String JOB_JOBTRACKER_ID

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Constant Field Values

JOB_CANCEL_DELEGATION_TOKEN

static final String JOB_CANCEL_DELEGATION_TOKEN

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Constant Field Values

JOB_ACL_VIEW_JOB

static final String JOB_ACL_VIEW_JOB

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Constant Field Values

DEFAULT_JOB_ACL_VIEW_JOB

static final String DEFAULT_JOB_ACL_VIEW_JOB

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Constant Field Values

JOB_ACL_MODIFY_JOB

static final String JOB_ACL_MODIFY_JOB

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Constant Field Values

DEFAULT_JOB_ACL_MODIFY_JOB

static final String DEFAULT_JOB_ACL_MODIFY_JOB

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Constant Field Values

MAPREDUCE_JOB_CREDENTIALS_BINARY

static final String MAPREDUCE_JOB_CREDENTIALS_BINARY

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Constant Field Values

JOB_TOKEN_TRACKING_IDS_ENABLED

static final String JOB_TOKEN_TRACKING_IDS_ENABLED

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Constant Field Values

DEFAULT_JOB_TOKEN_TRACKING_IDS_ENABLED

static final boolean DEFAULT_JOB_TOKEN_TRACKING_IDS_ENABLED

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Constant Field Values

JOB_TOKEN_TRACKING_IDS

static final String JOB_TOKEN_TRACKING_IDS

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Constant Field Values

JOB_SUBMITHOST

static final String JOB_SUBMITHOST

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Constant Field Values

JOB_SUBMITHOSTADDR

static final String JOB_SUBMITHOSTADDR

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Constant Field Values

COUNTERS_MAX_KEY

static final String COUNTERS_MAX_KEY

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Constant Field Values

COUNTERS_MAX_DEFAULT

static final int COUNTERS_MAX_DEFAULT

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Constant Field Values

COUNTER_GROUP_NAME_MAX_KEY

static final String COUNTER_GROUP_NAME_MAX_KEY

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Constant Field Values

COUNTER_GROUP_NAME_MAX_DEFAULT

static final int COUNTER_GROUP_NAME_MAX_DEFAULT

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Constant Field Values

COUNTER_NAME_MAX_KEY

static final String COUNTER_NAME_MAX_KEY

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Constant Field Values

COUNTER_NAME_MAX_DEFAULT

static final int COUNTER_NAME_MAX_DEFAULT

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Constant Field Values

COUNTER_GROUPS_MAX_KEY

static final String COUNTER_GROUPS_MAX_KEY

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Constant Field Values

COUNTER_GROUPS_MAX_DEFAULT

static final int COUNTER_GROUPS_MAX_DEFAULT

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Constant Field Values

JOB_UBERTASK_ENABLE

static final String JOB_UBERTASK_ENABLE

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Constant Field Values

JOB_UBERTASK_MAXMAPS

static final String JOB_UBERTASK_MAXMAPS

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Constant Field Values

JOB_UBERTASK_MAXREDUCES

static final String JOB_UBERTASK_MAXREDUCES

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Constant Field Values

JOB_UBERTASK_MAXBYTES

static final String JOB_UBERTASK_MAXBYTES

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Constant Field Values

MR_PREFIX

static final String MR_PREFIX

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Constant Field Values

MR_AM_PREFIX

static final String MR_AM_PREFIX

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Constant Field Values

MR_CLIENT_TO_AM_IPC_MAX_RETRIES

static final String MR_CLIENT_TO_AM_IPC_MAX_RETRIES

The number of client retires to the AM - before reconnecting to the RM to fetch Application State.

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Constant Field Values

DEFAULT_MR_CLIENT_TO_AM_IPC_MAX_RETRIES

static final int DEFAULT_MR_CLIENT_TO_AM_IPC_MAX_RETRIES

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Constant Field Values

MR_CLIENT_MAX_RETRIES

static final String MR_CLIENT_MAX_RETRIES

The number of client retries to the RM/HS before throwing exception.

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Constant Field Values

DEFAULT_MR_CLIENT_MAX_RETRIES

static final int DEFAULT_MR_CLIENT_MAX_RETRIES

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Constant Field Values

MR_AM_STAGING_DIR

static final String MR_AM_STAGING_DIR

The staging directory for map reduce.

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Constant Field Values

DEFAULT_MR_AM_STAGING_DIR

static final String DEFAULT_MR_AM_STAGING_DIR

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Constant Field Values

MR_AM_VMEM_MB

static final String MR_AM_VMEM_MB

The amount of memory the MR app master needs.

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Constant Field Values

DEFAULT_MR_AM_VMEM_MB

static final int DEFAULT_MR_AM_VMEM_MB

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Constant Field Values

MR_AM_CPU_VCORES

static final String MR_AM_CPU_VCORES

The number of virtual cores the MR app master needs.

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Constant Field Values

DEFAULT_MR_AM_CPU_VCORES

static final int DEFAULT_MR_AM_CPU_VCORES

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Constant Field Values

MR_AM_COMMAND_OPTS

static final String MR_AM_COMMAND_OPTS

Command line arguments passed to the MR app master.

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Constant Field Values

DEFAULT_MR_AM_COMMAND_OPTS

static final String DEFAULT_MR_AM_COMMAND_OPTS

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Constant Field Values

MR_AM_ADMIN_COMMAND_OPTS

static final String MR_AM_ADMIN_COMMAND_OPTS

Admin command opts passed to the MR app master.

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Constant Field Values

DEFAULT_MR_AM_ADMIN_COMMAND_OPTS

static final String DEFAULT_MR_AM_ADMIN_COMMAND_OPTS

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Constant Field Values

MR_AM_LOG_LEVEL

static final String MR_AM_LOG_LEVEL

Root Logging level passed to the MR app master.

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Constant Field Values

DEFAULT_MR_AM_LOG_LEVEL

static final String DEFAULT_MR_AM_LOG_LEVEL

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Constant Field Values

MR_AM_NUM_PROGRESS_SPLITS

static final String MR_AM_NUM_PROGRESS_SPLITS

The number of splits when reporting progress in MR

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Constant Field Values

DEFAULT_MR_AM_NUM_PROGRESS_SPLITS

static final int DEFAULT_MR_AM_NUM_PROGRESS_SPLITS

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Constant Field Values

MR_AM_CONTAINERLAUNCHER_THREAD_COUNT_LIMIT

static final String MR_AM_CONTAINERLAUNCHER_THREAD_COUNT_LIMIT

Upper limit on the number of threads user to launch containers in the app master. Expect level config, you shouldn't be needing it in most cases.

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Constant Field Values

DEFAULT_MR_AM_CONTAINERLAUNCHER_THREAD_COUNT_LIMIT

static final int DEFAULT_MR_AM_CONTAINERLAUNCHER_THREAD_COUNT_LIMIT

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Constant Field Values

MR_AM_JOB_CLIENT_THREAD_COUNT

static final String MR_AM_JOB_CLIENT_THREAD_COUNT

Number of threads to handle job client RPC requests.

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Constant Field Values

DEFAULT_MR_AM_JOB_CLIENT_THREAD_COUNT

static final int DEFAULT_MR_AM_JOB_CLIENT_THREAD_COUNT

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Constant Field Values

MR_AM_JOB_CLIENT_PORT_RANGE

static final String MR_AM_JOB_CLIENT_PORT_RANGE

Range of ports that the MapReduce AM can use when binding. Leave blank if you want all possible ports.

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Constant Field Values

MR_AM_JOB_NODE_BLACKLISTING_ENABLE

static final String MR_AM_JOB_NODE_BLACKLISTING_ENABLE

Enable blacklisting of nodes in the job.

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Constant Field Values

MR_AM_IGNORE_BLACKLISTING_BLACKLISTED_NODE_PERECENT

static final String MR_AM_IGNORE_BLACKLISTING_BLACKLISTED_NODE_PERECENT

Ignore blacklisting if a certain percentage of nodes have been blacklisted

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Constant Field Values

DEFAULT_MR_AM_IGNORE_BLACKLISTING_BLACKLISTED_NODE_PERCENT

static final int DEFAULT_MR_AM_IGNORE_BLACKLISTING_BLACKLISTED_NODE_PERCENT

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Constant Field Values

MR_AM_JOB_RECOVERY_ENABLE

static final String MR_AM_JOB_RECOVERY_ENABLE

Enable job recovery.

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Constant Field Values

MR_AM_JOB_RECOVERY_ENABLE_DEFAULT

static final boolean MR_AM_JOB_RECOVERY_ENABLE_DEFAULT

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Constant Field Values

MR_AM_JOB_REDUCE_PREEMPTION_LIMIT

static final String MR_AM_JOB_REDUCE_PREEMPTION_LIMIT

Limit on the number of reducers that can be preempted to ensure that at least one map task can run if it needs to. Percentage between 0.0 and 1.0

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Constant Field Values

DEFAULT_MR_AM_JOB_REDUCE_PREEMPTION_LIMIT

static final float DEFAULT_MR_AM_JOB_REDUCE_PREEMPTION_LIMIT

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Constant Field Values

JOB_AM_ACCESS_DISABLED

static final String JOB_AM_ACCESS_DISABLED

AM ACL disabled.

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Constant Field Values

DEFAULT_JOB_AM_ACCESS_DISABLED

static final boolean DEFAULT_JOB_AM_ACCESS_DISABLED

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Constant Field Values

MR_AM_JOB_REDUCE_RAMPUP_UP_LIMIT

static final String MR_AM_JOB_REDUCE_RAMPUP_UP_LIMIT

Limit reduces starting until a certain percentage of maps have finished. Percentage between 0.0 and 1.0

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Constant Field Values

DEFAULT_MR_AM_JOB_REDUCE_RAMP_UP_LIMIT

static final float DEFAULT_MR_AM_JOB_REDUCE_RAMP_UP_LIMIT

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Constant Field Values

MR_AM_JOB_SPECULATOR

static final String MR_AM_JOB_SPECULATOR

The class that should be used for speculative execution calculations.

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Constant Field Values

MR_AM_TASK_ESTIMATOR

static final String MR_AM_TASK_ESTIMATOR

Class used to estimate task resource needs.

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Constant Field Values

MR_AM_TASK_ESTIMATOR_SMOOTH_LAMBDA_MS

static final String MR_AM_TASK_ESTIMATOR_SMOOTH_LAMBDA_MS

The lambda value in the smoothing function of the task estimator.

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Constant Field Values

DEFAULT_MR_AM_TASK_ESTIMATOR_SMOOTH_LAMBDA_MS

static final long DEFAULT_MR_AM_TASK_ESTIMATOR_SMOOTH_LAMBDA_MS

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Constant Field Values

MR_AM_TASK_ESTIMATOR_EXPONENTIAL_RATE_ENABLE

static final String MR_AM_TASK_ESTIMATOR_EXPONENTIAL_RATE_ENABLE

true if the smoothing rate should be exponential.

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Constant Field Values

MR_AM_TASK_LISTENER_THREAD_COUNT

static final String MR_AM_TASK_LISTENER_THREAD_COUNT

The number of threads used to handle task RPC calls.

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Constant Field Values

DEFAULT_MR_AM_TASK_LISTENER_THREAD_COUNT

static final int DEFAULT_MR_AM_TASK_LISTENER_THREAD_COUNT

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Constant Field Values

MR_AM_TO_RM_HEARTBEAT_INTERVAL_MS

static final String MR_AM_TO_RM_HEARTBEAT_INTERVAL_MS

How often the AM should send heartbeats to the RM.

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Constant Field Values

DEFAULT_MR_AM_TO_RM_HEARTBEAT_INTERVAL_MS

static final int DEFAULT_MR_AM_TO_RM_HEARTBEAT_INTERVAL_MS

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Constant Field Values

MR_AM_TO_RM_WAIT_INTERVAL_MS

static final String MR_AM_TO_RM_WAIT_INTERVAL_MS

If contact with RM is lost, the AM will wait MR_AM_TO_RM_WAIT_INTERVAL_MS milliseconds before aborting. During this interval, AM will still try to contact the RM.

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Constant Field Values

DEFAULT_MR_AM_TO_RM_WAIT_INTERVAL_MS

static final int DEFAULT_MR_AM_TO_RM_WAIT_INTERVAL_MS

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Constant Field Values

MR_AM_COMMITTER_CANCEL_TIMEOUT_MS

static final String MR_AM_COMMITTER_CANCEL_TIMEOUT_MS

How long to wait in milliseconds for the output committer to cancel an operation when the job is being killed

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Constant Field Values

DEFAULT_MR_AM_COMMITTER_CANCEL_TIMEOUT_MS

static final int DEFAULT_MR_AM_COMMITTER_CANCEL_TIMEOUT_MS

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Constant Field Values

MR_AM_COMMIT_WINDOW_MS

static final String MR_AM_COMMIT_WINDOW_MS

Defines a time window in milliseconds for output committer operations. If contact with the RM has occurred within this window then commit operations are allowed, otherwise the AM will not allow output committer operations until contact with the RM has been re-established.

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Constant Field Values

DEFAULT_MR_AM_COMMIT_WINDOW_MS

static final int DEFAULT_MR_AM_COMMIT_WINDOW_MS

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Constant Field Values

MR_AM_CREATE_JH_INTERMEDIATE_BASE_DIR

static final String MR_AM_CREATE_JH_INTERMEDIATE_BASE_DIR

Boolean. Create the base dirs in the JobHistoryEventHandler Set to false for multi-user clusters. This is an internal config that is set by the MR framework and read by it too.

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Constant Field Values

MR_AM_HISTORY_MAX_UNFLUSHED_COMPLETE_EVENTS

static final String MR_AM_HISTORY_MAX_UNFLUSHED_COMPLETE_EVENTS

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Constant Field Values

DEFAULT_MR_AM_HISTORY_MAX_UNFLUSHED_COMPLETE_EVENTS

static final int DEFAULT_MR_AM_HISTORY_MAX_UNFLUSHED_COMPLETE_EVENTS

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Constant Field Values

MR_AM_HISTORY_JOB_COMPLETE_UNFLUSHED_MULTIPLIER

static final String MR_AM_HISTORY_JOB_COMPLETE_UNFLUSHED_MULTIPLIER

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Constant Field Values

DEFAULT_MR_AM_HISTORY_JOB_COMPLETE_UNFLUSHED_MULTIPLIER

static final int DEFAULT_MR_AM_HISTORY_JOB_COMPLETE_UNFLUSHED_MULTIPLIER

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Constant Field Values

MR_AM_HISTORY_COMPLETE_EVENT_FLUSH_TIMEOUT_MS

static final String MR_AM_HISTORY_COMPLETE_EVENT_FLUSH_TIMEOUT_MS

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Constant Field Values

DEFAULT_MR_AM_HISTORY_COMPLETE_EVENT_FLUSH_TIMEOUT_MS

static final long DEFAULT_MR_AM_HISTORY_COMPLETE_EVENT_FLUSH_TIMEOUT_MS

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Constant Field Values

MR_AM_HISTORY_USE_BATCHED_FLUSH_QUEUE_SIZE_THRESHOLD

static final String MR_AM_HISTORY_USE_BATCHED_FLUSH_QUEUE_SIZE_THRESHOLD

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Constant Field Values

DEFAULT_MR_AM_HISTORY_USE_BATCHED_FLUSH_QUEUE_SIZE_THRESHOLD

static final int DEFAULT_MR_AM_HISTORY_USE_BATCHED_FLUSH_QUEUE_SIZE_THRESHOLD

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Constant Field Values

MR_AM_ENV

static final String MR_AM_ENV

See Also:

Constant Field Values

MR_AM_ADMIN_USER_ENV

static final String MR_AM_ADMIN_USER_ENV

See Also:

Constant Field Values

MAPRED_MAP_ADMIN_JAVA_OPTS

static final String MAPRED_MAP_ADMIN_JAVA_OPTS

See Also:

Constant Field Values

MAPRED_REDUCE_ADMIN_JAVA_OPTS

static final String MAPRED_REDUCE_ADMIN_JAVA_OPTS

See Also:

Constant Field Values

DEFAULT_MAPRED_ADMIN_JAVA_OPTS

static final String DEFAULT_MAPRED_ADMIN_JAVA_OPTS

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Constant Field Values

MAPRED_ADMIN_USER_SHELL

static final String MAPRED_ADMIN_USER_SHELL

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Constant Field Values

DEFAULT_SHELL

static final String DEFAULT_SHELL

See Also:

Constant Field Values

MAPRED_ADMIN_USER_ENV

static final String MAPRED_ADMIN_USER_ENV

See Also:

Constant Field Values

DEFAULT_MAPRED_ADMIN_USER_ENV

static final String DEFAULT_MAPRED_ADMIN_USER_ENV

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Constant Field Values

WORKDIR

static final String WORKDIR

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Constant Field Values

OUTPUT

static final String OUTPUT

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Constant Field Values

HADOOP_WORK_DIR

static final String HADOOP_WORK_DIR

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Constant Field Values

STDOUT_LOGFILE_ENV

static final String STDOUT_LOGFILE_ENV

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Constant Field Values

STDERR_LOGFILE_ENV

static final String STDERR_LOGFILE_ENV

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Constant Field Values

JOB_SUBMIT_DIR

static final String JOB_SUBMIT_DIR

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Constant Field Values

JOB_CONF_FILE

static final String JOB_CONF_FILE

See Also:

Constant Field Values

JOB_JAR

static final String JOB_JAR

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Constant Field Values

JOB_SPLIT

static final String JOB_SPLIT

See Also:

Constant Field Values

JOB_SPLIT_METAINFO

static final String JOB_SPLIT_METAINFO

See Also:

Constant Field Values

APPLICATION_MASTER_CLASS

static final String APPLICATION_MASTER_CLASS

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Constant Field Values

MAPREDUCE_V2_CHILD_CLASS

static final String MAPREDUCE_V2_CHILD_CLASS

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Constant Field Values

APPLICATION_ATTEMPT_ID

static final String APPLICATION_ATTEMPT_ID

See Also:

Constant Field Values

MR_JOB_END_NOTIFICATION_URL

static final String MR_JOB_END_NOTIFICATION_URL

Job end notification.

See Also:

Constant Field Values

MR_JOB_END_NOTIFICATION_PROXY

static final String MR_JOB_END_NOTIFICATION_PROXY

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Constant Field Values

MR_JOB_END_NOTIFICATION_TIMEOUT

static final String MR_JOB_END_NOTIFICATION_TIMEOUT

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Constant Field Values

MR_JOB_END_RETRY_ATTEMPTS

static final String MR_JOB_END_RETRY_ATTEMPTS

See Also:

Constant Field Values

MR_JOB_END_RETRY_INTERVAL

static final String MR_JOB_END_RETRY_INTERVAL

See Also:

Constant Field Values

MR_JOB_END_NOTIFICATION_MAX_ATTEMPTS

static final String MR_JOB_END_NOTIFICATION_MAX_ATTEMPTS

See Also:

Constant Field Values

MR_JOB_END_NOTIFICATION_MAX_RETRY_INTERVAL

static final String MR_JOB_END_NOTIFICATION_MAX_RETRY_INTERVAL

See Also:

Constant Field Values

DEFAULT_MR_JOB_END_NOTIFICATION_TIMEOUT

static final int DEFAULT_MR_JOB_END_NOTIFICATION_TIMEOUT

See Also:

Constant Field Values

MR_AM_SECURITY_SERVICE_AUTHORIZATION_TASK_UMBILICAL

static final String MR_AM_SECURITY_SERVICE_AUTHORIZATION_TASK_UMBILICAL

See Also:

Constant Field Values

MR_AM_SECURITY_SERVICE_AUTHORIZATION_CLIENT

static final String MR_AM_SECURITY_SERVICE_AUTHORIZATION_CLIENT

See Also:

Constant Field Values

MAPREDUCE_APPLICATION_CLASSPATH

static final String MAPREDUCE_APPLICATION_CLASSPATH

CLASSPATH for all YARN MapReduce applications.

See Also:

Constant Field Values

DEFAULT_MAPREDUCE_APPLICATION_CLASSPATH

static final String DEFAULT_MAPREDUCE_APPLICATION_CLASSPATH

Default CLASSPATH for all YARN MapReduce applications.

WORKFLOW_ID

static final String WORKFLOW_ID

See Also:

Constant Field Values

WORKFLOW_NAME

static final String WORKFLOW_NAME

See Also:

Constant Field Values

WORKFLOW_NODE_NAME

static final String WORKFLOW_NODE_NAME

See Also:

Constant Field Values

WORKFLOW_ADJACENCY_PREFIX_STRING

static final String WORKFLOW_ADJACENCY_PREFIX_STRING

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Constant Field Values

WORKFLOW_ADJACENCY_PREFIX_PATTERN

static final String WORKFLOW_ADJACENCY_PREFIX_PATTERN

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Constant Field Values

WORKFLOW_TAGS

static final String WORKFLOW_TAGS

See Also:

Constant Field Values

MR_AM_MAX_ATTEMPTS

static final String MR_AM_MAX_ATTEMPTS

The maximum number of application attempts. It is a application-specific setting.

See Also:

Constant Field Values

DEFAULT_MR_AM_MAX_ATTEMPTS

static final int DEFAULT_MR_AM_MAX_ATTEMPTS

See Also:

Constant Field Values

MR_APPLICATION_TYPE

static final String MR_APPLICATION_TYPE

See Also:

Constant Field Values