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| <h2 title="Interface JobContext" class="title">Interface JobContext</h2> |
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| <dt>All Superinterfaces:</dt> |
| <dd>org.apache.hadoop.mapreduce.MRJobConfig</dd> |
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| <dd><a href="../../../../org/apache/hadoop/mapred/JobContext.html" title="interface in org.apache.hadoop.mapred">JobContext</a>, <a href="../../../../org/apache/hadoop/mapreduce/MapContext.html" title="interface in org.apache.hadoop.mapreduce">MapContext</a><KEYIN,VALUEIN,KEYOUT,VALUEOUT>, <a href="../../../../org/apache/hadoop/mapreduce/ReduceContext.html" title="interface in org.apache.hadoop.mapreduce">ReduceContext</a><KEYIN,VALUEIN,KEYOUT,VALUEOUT>, <a href="../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="interface in org.apache.hadoop.mapreduce">TaskAttemptContext</a>, <a href="../../../../org/apache/hadoop/mapred/TaskAttemptContext.html" title="interface in org.apache.hadoop.mapred">TaskAttemptContext</a>, <a href="../../../../org/apache/hadoop/mapreduce/TaskInputOutputContext.html" title="interface in org.apache.hadoop.mapreduce">TaskInputOutputContext</a><KEYIN,VALUEIN,KEYOUT,VALUEOUT></dd> |
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| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Evolving |
| public interface <span class="typeNameLabel">JobContext</span> |
| extends org.apache.hadoop.mapreduce.MRJobConfig</pre> |
| <div class="block">A read-only view of the job that is provided to the tasks while they |
| are running.</div> |
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| </a> |
| <h3>Fields inherited from interface org.apache.hadoop.mapreduce.MRJobConfig</h3> |
| <code>AM_NODE_LABEL_EXP, AM_STRICT_LOCALITY, APPLICATION_ATTEMPT_ID, APPLICATION_MASTER_CLASS, ARCHIVES_FOR_SHARED_CACHE, CACHE_ARCHIVES, CACHE_ARCHIVES_SHARED_CACHE_UPLOAD_POLICIES, CACHE_ARCHIVES_SIZES, CACHE_ARCHIVES_TIMESTAMPS, CACHE_ARCHIVES_VISIBILITIES, CACHE_FILE_TIMESTAMPS, CACHE_FILE_VISIBILITIES, CACHE_FILES, CACHE_FILES_SHARED_CACHE_UPLOAD_POLICIES, CACHE_FILES_SIZES, CACHE_LOCALARCHIVES, CACHE_LOCALFILES, CACHE_SYMLINK, CLASSPATH_ARCHIVES, CLASSPATH_FILES, COMBINE_CLASS_ATTR, COMBINE_RECORDS_BEFORE_PROGRESS, COMBINER_GROUP_COMPARATOR_CLASS, COMPLETED_MAPS_FOR_REDUCE_SLOWSTART, COUNTER_GROUP_NAME_MAX_DEFAULT, COUNTER_GROUP_NAME_MAX_KEY, COUNTER_GROUPS_MAX_DEFAULT, COUNTER_GROUPS_MAX_KEY, COUNTER_NAME_MAX_DEFAULT, COUNTER_NAME_MAX_KEY, COUNTERS_MAX_DEFAULT, COUNTERS_MAX_KEY, DEFAULT_FINISH_JOB_WHEN_REDUCERS_DONE, DEFAULT_HEAP_MEMORY_MB_RATIO, DEFAULT_IO_SORT_FACTOR, DEFAULT_IO_SORT_MB, DEFAULT_JOB_ACL_MODIFY_JOB, DEFAULT_JOB_ACL_VIEW_JOB, DEFAULT_JOB_AM_ACCESS_DISABLED, DEFAULT_JOB_DFS_STORAGE_CAPACITY_KILL_LIMIT_EXCEED, DEFAULT_JOB_MAX_MAP, DEFAULT_JOB_RUNNING_MAP_LIMIT, DEFAULT_JOB_RUNNING_REDUCE_LIMIT, DEFAULT_JOB_SINGLE_DISK_LIMIT_BYTES, DEFAULT_JOB_SINGLE_DISK_LIMIT_CHECK_INTERVAL_MS, DEFAULT_JOB_SINGLE_DISK_LIMIT_KILL_LIMIT_EXCEED, DEFAULT_JOB_TOKEN_TRACKING_IDS_ENABLED, DEFAULT_LOG_LEVEL, DEFAULT_MAP_CPU_VCORES, DEFAULT_MAP_MEMORY_MB, DEFAULT_MAPRED_ADMIN_JAVA_OPTS, DEFAULT_MAPRED_ADMIN_USER_ENV, DEFAULT_MAPREDUCE_APPLICATION_CLASSPATH, DEFAULT_MAPREDUCE_CROSS_PLATFORM_APPLICATION_CLASSPATH, DEFAULT_MAPREDUCE_JOB_EMIT_TIMELINE_DATA, DEFAULT_MAPREDUCE_JVM_SYSTEM_PROPERTIES_TO_LOG, DEFAULT_MAX_ALLOWED_FETCH_FAILURES_FRACTION, DEFAULT_MAX_FETCH_FAILURES_NOTIFICATIONS, DEFAULT_MAX_SHUFFLE_FETCH_HOST_FAILURES, DEFAULT_MAX_SHUFFLE_FETCH_RETRY_DELAY, DEFAULT_MR_AM_ADMIN_COMMAND_OPTS, DEFAULT_MR_AM_ADMIN_USER_ENV, DEFAULT_MR_AM_COMMAND_OPTS, DEFAULT_MR_AM_COMMIT_WINDOW_MS, DEFAULT_MR_AM_COMMITTER_CANCEL_TIMEOUT_MS, DEFAULT_MR_AM_CONTAINERLAUNCHER_THREAD_COUNT_LIMIT, DEFAULT_MR_AM_CONTAINERLAUNCHER_THREADPOOL_INITIAL_SIZE, DEFAULT_MR_AM_CPU_VCORES, DEFAULT_MR_AM_HARD_KILL_TIMEOUT_MS, DEFAULT_MR_AM_HISTORY_COMPLETE_EVENT_FLUSH_TIMEOUT_MS, DEFAULT_MR_AM_HISTORY_JOB_COMPLETE_UNFLUSHED_MULTIPLIER, DEFAULT_MR_AM_HISTORY_MAX_UNFLUSHED_COMPLETE_EVENTS, DEFAULT_MR_AM_HISTORY_USE_BATCHED_FLUSH_QUEUE_SIZE_THRESHOLD, DEFAULT_MR_AM_IGNORE_BLACKLISTING_BLACKLISTED_NODE_PERCENT, DEFAULT_MR_AM_JOB_CLIENT_THREAD_COUNT, DEFAULT_MR_AM_JOB_REDUCE_PREEMPTION_LIMIT, DEFAULT_MR_AM_JOB_REDUCE_RAMP_UP_LIMIT, DEFAULT_MR_AM_LOG_BACKUPS, DEFAULT_MR_AM_LOG_KB, DEFAULT_MR_AM_LOG_LEVEL, DEFAULT_MR_AM_MAX_ATTEMPTS, DEFAULT_MR_AM_NUM_PROGRESS_SPLITS, DEFAULT_MR_AM_PROFILE, DEFAULT_MR_AM_STAGING_DIR, DEFAULT_MR_AM_STAGING_ERASURECODING_ENABLED, DEFAULT_MR_AM_TASK_ESTIMATOR_SIMPLE_SMOOTH_INITIALS, DEFAULT_MR_AM_TASK_ESTIMATOR_SIMPLE_SMOOTH_LAMBDA_MS, DEFAULT_MR_AM_TASK_ESTIMATOR_SIMPLE_SMOOTH_STAGNATED_MS, DEFAULT_MR_AM_TASK_ESTIMATOR_SMOOTH_LAMBDA_MS, DEFAULT_MR_AM_TASK_LISTENER_THREAD_COUNT, DEFAULT_MR_AM_TO_RM_HEARTBEAT_INTERVAL_MS, DEFAULT_MR_AM_TO_RM_WAIT_INTERVAL_MS, DEFAULT_MR_AM_VMEM_MB, DEFAULT_MR_AM_WEBAPP_HTTPS_CLIENT_AUTH, DEFAULT_MR_AM_WEBAPP_HTTPS_ENABLED, DEFAULT_MR_CLIENT_JOB_MAX_RETRIES, DEFAULT_MR_CLIENT_JOB_RETRY_INTERVAL, DEFAULT_MR_CLIENT_MAX_RETRIES, DEFAULT_MR_CLIENT_TO_AM_IPC_MAX_RETRIES, DEFAULT_MR_CLIENT_TO_AM_IPC_MAX_RETRIES_ON_TIMEOUTS, DEFAULT_MR_ENCRYPTED_INTERMEDIATE_DATA, DEFAULT_MR_ENCRYPTED_INTERMEDIATE_DATA_BUFFER_KB, DEFAULT_MR_ENCRYPTED_INTERMEDIATE_DATA_KEY_SIZE_BITS, DEFAULT_MR_JOB_END_NOTIFICATION_TIMEOUT, DEFAULT_MR_JOB_REDUCER_PREEMPT_DELAY_SEC, DEFAULT_MR_JOB_REDUCER_UNCONDITIONAL_PREEMPT_DELAY_SEC, DEFAULT_MR_NUM_OPPORTUNISTIC_MAPS_PERCENT, DEFAULT_REDUCE_CPU_VCORES, DEFAULT_REDUCE_MEMORY_MB, DEFAULT_REDUCE_SEPARATE_SHUFFLE_LOG, DEFAULT_SHELL, DEFAULT_SHUFFLE_FETCH_RETRY_INTERVAL_MS, DEFAULT_SHUFFLE_INPUT_BUFFER_PERCENT, DEFAULT_SHUFFLE_LOG_BACKUPS, DEFAULT_SHUFFLE_LOG_KB, DEFAULT_SHUFFLE_MERGE_PERCENT, DEFAULT_SPECULATIVE_MINIMUM_ALLOWED_TASKS, DEFAULT_SPECULATIVE_RETRY_AFTER_NO_SPECULATE, DEFAULT_SPECULATIVE_RETRY_AFTER_SPECULATE, DEFAULT_SPECULATIVECAP_RUNNING_TASKS, DEFAULT_SPECULATIVECAP_TOTAL_TASKS, DEFAULT_SPLIT_METAINFO_MAXSIZE, DEFAULT_TASK_ISMAP, DEFAULT_TASK_LOCAL_WRITE_LIMIT_BYTES, DEFAULT_TASK_LOG_BACKUPS, DEFAULT_TASK_PROFILE_PARAMS, DEFAULT_TASK_STUCK_TIMEOUT_MS, DEFAULT_TASK_TIMEOUT_MILLIS, FILES_FOR_CLASSPATH_AND_SHARED_CACHE, FILES_FOR_SHARED_CACHE, FINISH_JOB_WHEN_REDUCERS_DONE, GROUP_COMPARATOR_CLASS, HADOOP_WORK_DIR, HEAP_MEMORY_MB_RATIO, ID, INDEX_CACHE_MEMORY_LIMIT, INPUT_FILE_MANDATORY_PREFIX, INPUT_FILE_OPTION_PREFIX, INPUT_FORMAT_CLASS_ATTR, IO_SORT_FACTOR, IO_SORT_MB, JAR, JAR_UNPACK_PATTERN, JOB_ACL_MODIFY_JOB, JOB_ACL_VIEW_JOB, JOB_AM_ACCESS_DISABLED, JOB_CANCEL_DELEGATION_TOKEN, JOB_CONF_FILE, JOB_DFS_STORAGE_CAPACITY_KILL_LIMIT_EXCEED, JOB_JAR, JOB_JOBTRACKER_ID, JOB_LOCAL_DIR, JOB_MAX_MAP, JOB_NAME, JOB_NAMENODES, JOB_NAMENODES_TOKEN_RENEWAL_EXCLUDE, JOB_NODE_LABEL_EXP, JOB_RUNNING_MAP_LIMIT, JOB_RUNNING_REDUCE_LIMIT, JOB_SINGLE_DISK_LIMIT_BYTES, JOB_SINGLE_DISK_LIMIT_CHECK_INTERVAL_MS, JOB_SINGLE_DISK_LIMIT_KILL_LIMIT_EXCEED, JOB_SPLIT, JOB_SPLIT_METAINFO, JOB_SUBMIT_DIR, JOB_SUBMITHOST, JOB_SUBMITHOSTADDR, JOB_TAGS, JOB_TOKEN_TRACKING_IDS, JOB_TOKEN_TRACKING_IDS_ENABLED, JOB_UBERTASK_ENABLE, JOB_UBERTASK_MAXBYTES, JOB_UBERTASK_MAXMAPS, JOB_UBERTASK_MAXREDUCES, JOBJAR_SHARED_CACHE_UPLOAD_POLICY, JOBJAR_SHARED_CACHE_UPLOAD_POLICY_DEFAULT, JOBJAR_VISIBILITY, JOBJAR_VISIBILITY_DEFAULT, JVM_NUMTASKS_TORUN, KEY_COMPARATOR, MAP_CLASS_ATTR, MAP_COMBINE_MIN_SPILLS, MAP_CPU_VCORES, MAP_DEBUG_SCRIPT, MAP_ENV, MAP_FAILURES_MAX_PERCENT, MAP_INPUT_FILE, MAP_INPUT_PATH, MAP_INPUT_START, MAP_JAVA_OPTS, MAP_LOG_LEVEL, MAP_MAX_ATTEMPTS, MAP_MEMORY_MB, MAP_NODE_LABEL_EXP, MAP_OUTPUT_COLLECTOR_CLASS_ATTR, MAP_OUTPUT_COMPRESS, MAP_OUTPUT_COMPRESS_CODEC, MAP_OUTPUT_KEY_CLASS, MAP_OUTPUT_KEY_FIELD_SEPARATOR, MAP_OUTPUT_KEY_FIELD_SEPERATOR, MAP_OUTPUT_VALUE_CLASS, MAP_RESOURCE_TYPE_PREFIX, MAP_SKIP_INCR_PROC_COUNT, MAP_SKIP_MAX_RECORDS, MAP_SORT_CLASS, MAP_SORT_SPILL_PERCENT, MAP_SPECULATIVE, MAPRED_ADMIN_USER_ENV, MAPRED_ADMIN_USER_SHELL, MAPRED_MAP_ADMIN_JAVA_OPTS, MAPRED_REDUCE_ADMIN_JAVA_OPTS, MAPREDUCE_APPLICATION_CLASSPATH, MAPREDUCE_APPLICATION_FRAMEWORK_PATH, MAPREDUCE_JOB_CLASSLOADER, MAPREDUCE_JOB_CLASSLOADER_SYSTEM_CLASSES, MAPREDUCE_JOB_CREDENTIALS_BINARY, MAPREDUCE_JOB_DIR, MAPREDUCE_JOB_EMIT_TIMELINE_DATA, MAPREDUCE_JOB_LOG4J_PROPERTIES_FILE, MAPREDUCE_JOB_SHUFFLE_PROVIDER_SERVICES, MAPREDUCE_JOB_USER_CLASSPATH_FIRST, MAPREDUCE_JVM_SYSTEM_PROPERTIES_TO_LOG, MAPREDUCE_V2_CHILD_CLASS, MAX_ALLOWED_FETCH_FAILURES_FRACTION, MAX_FETCH_FAILURES_NOTIFICATIONS, MAX_RESOURCES, MAX_RESOURCES_DEFAULT, MAX_RESOURCES_MB, MAX_RESOURCES_MB_DEFAULT, MAX_SHUFFLE_FETCH_HOST_FAILURES, MAX_SHUFFLE_FETCH_RETRY_DELAY, MAX_SINGLE_RESOURCE_MB, MAX_SINGLE_RESOURCE_MB_DEFAULT, MAX_TASK_FAILURES_PER_TRACKER, MR_AM_ADMIN_COMMAND_OPTS, MR_AM_ADMIN_USER_ENV, MR_AM_COMMAND_OPTS, MR_AM_COMMIT_WINDOW_MS, MR_AM_COMMITTER_CANCEL_TIMEOUT_MS, MR_AM_CONTAINERLAUNCHER_THREAD_COUNT_LIMIT, MR_AM_CONTAINERLAUNCHER_THREADPOOL_INITIAL_SIZE, MR_AM_CPU_VCORES, MR_AM_CREATE_JH_INTERMEDIATE_BASE_DIR, MR_AM_ENV, MR_AM_HARD_KILL_TIMEOUT_MS, MR_AM_HISTORY_COMPLETE_EVENT_FLUSH_TIMEOUT_MS, MR_AM_HISTORY_JOB_COMPLETE_UNFLUSHED_MULTIPLIER, MR_AM_HISTORY_MAX_UNFLUSHED_COMPLETE_EVENTS, MR_AM_HISTORY_USE_BATCHED_FLUSH_QUEUE_SIZE_THRESHOLD, MR_AM_IGNORE_BLACKLISTING_BLACKLISTED_NODE_PERECENT, MR_AM_JOB_CLIENT_PORT_RANGE, MR_AM_JOB_CLIENT_THREAD_COUNT, MR_AM_JOB_NODE_BLACKLISTING_ENABLE, MR_AM_JOB_RECOVERY_ENABLE, MR_AM_JOB_RECOVERY_ENABLE_DEFAULT, MR_AM_JOB_REDUCE_PREEMPTION_LIMIT, MR_AM_JOB_REDUCE_RAMPUP_UP_LIMIT, MR_AM_JOB_SPECULATOR, MR_AM_LOG_BACKUPS, MR_AM_LOG_KB, MR_AM_LOG_LEVEL, MR_AM_MAX_ATTEMPTS, MR_AM_NUM_PROGRESS_SPLITS, MR_AM_PREEMPTION_POLICY, MR_AM_PREFIX, MR_AM_PROFILE, MR_AM_PROFILE_PARAMS, MR_AM_RESOURCE_PREFIX, MR_AM_SECURITY_SERVICE_AUTHORIZATION_CLIENT, MR_AM_SECURITY_SERVICE_AUTHORIZATION_TASK_UMBILICAL, MR_AM_STAGING_DIR, MR_AM_STAGING_DIR_ERASURECODING_ENABLED, MR_AM_TASK_ESTIMATOR, MR_AM_TASK_ESTIMATOR_EXPONENTIAL_RATE_ENABLE, MR_AM_TASK_ESTIMATOR_SIMPLE_SMOOTH_LAMBDA_MS, MR_AM_TASK_ESTIMATOR_SIMPLE_SMOOTH_SKIP_INITIALS, MR_AM_TASK_ESTIMATOR_SIMPLE_SMOOTH_STAGNATED_MS, MR_AM_TASK_ESTIMATOR_SMOOTH_LAMBDA_MS, MR_AM_TASK_LISTENER_THREAD_COUNT, MR_AM_TO_RM_HEARTBEAT_INTERVAL_MS, MR_AM_TO_RM_WAIT_INTERVAL_MS, MR_AM_VMEM_MB, MR_AM_WEBAPP_HTTPS_CLIENT_AUTH, MR_AM_WEBAPP_HTTPS_ENABLED, MR_AM_WEBAPP_PORT_RANGE, MR_APPLICATION_TYPE, MR_CLIENT_JOB_MAX_RETRIES, MR_CLIENT_JOB_RETRY_INTERVAL, MR_CLIENT_MAX_RETRIES, MR_CLIENT_TO_AM_IPC_MAX_RETRIES, MR_CLIENT_TO_AM_IPC_MAX_RETRIES_ON_TIMEOUTS, MR_ENCRYPTED_INTERMEDIATE_DATA, MR_ENCRYPTED_INTERMEDIATE_DATA_BUFFER_KB, MR_ENCRYPTED_INTERMEDIATE_DATA_KEY_SIZE_BITS, MR_JOB_END_NOTIFICATION_CUSTOM_NOTIFIER_CLASS, MR_JOB_END_NOTIFICATION_MAX_ATTEMPTS, MR_JOB_END_NOTIFICATION_MAX_RETRY_INTERVAL, MR_JOB_END_NOTIFICATION_PROXY, MR_JOB_END_NOTIFICATION_TIMEOUT, MR_JOB_END_NOTIFICATION_URL, MR_JOB_END_RETRY_ATTEMPTS, MR_JOB_END_RETRY_INTERVAL, MR_JOB_REDACTED_PROPERTIES, MR_JOB_REDUCER_PREEMPT_DELAY_SEC, MR_JOB_REDUCER_UNCONDITIONAL_PREEMPT_DELAY_SEC, MR_JOB_SEND_TOKEN_CONF, MR_NUM_OPPORTUNISTIC_MAPS_PERCENT, MR_PREFIX, NUM_MAP_PROFILES, NUM_MAPS, NUM_REDUCE_PROFILES, NUM_REDUCES, OUTPUT, OUTPUT_FORMAT_CLASS_ATTR, OUTPUT_KEY_CLASS, OUTPUT_VALUE_CLASS, PARTITIONER_CLASS_ATTR, PRESERVE_FAILED_TASK_FILES, PRESERVE_FILES_PATTERN, PRIORITY, QUEUE_NAME, RECORDS_BEFORE_PROGRESS, REDUCE_CLASS_ATTR, REDUCE_CPU_VCORES, REDUCE_DEBUG_SCRIPT, REDUCE_ENV, REDUCE_FAILURES_MAXPERCENT, REDUCE_INPUT_BUFFER_PERCENT, REDUCE_JAVA_OPTS, REDUCE_LOG_LEVEL, REDUCE_MARKRESET_BUFFER_PERCENT, REDUCE_MARKRESET_BUFFER_SIZE, REDUCE_MAX_ATTEMPTS, REDUCE_MEMORY_MB, REDUCE_MEMORY_TOTAL_BYTES, REDUCE_MEMTOMEM_ENABLED, REDUCE_MEMTOMEM_THRESHOLD, REDUCE_MERGE_INMEM_THRESHOLD, REDUCE_NODE_LABEL_EXP, REDUCE_RESOURCE_TYPE_PREFIX, REDUCE_SEPARATE_SHUFFLE_LOG, REDUCE_SKIP_INCR_PROC_COUNT, REDUCE_SKIP_MAXGROUPS, REDUCE_SPECULATIVE, RESERVATION_ID, RESOURCE_TYPE_ALTERNATIVE_NAME_MEMORY, RESOURCE_TYPE_NAME_MEMORY, RESOURCE_TYPE_NAME_VCORE, SETUP_CLEANUP_NEEDED, SHARED_CACHE_MODE, SHARED_CACHE_MODE_DEFAULT, SHUFFLE_CONNECT_TIMEOUT, SHUFFLE_FETCH_FAILURES, SHUFFLE_FETCH_RETRY_ENABLED, SHUFFLE_FETCH_RETRY_INTERVAL_MS, SHUFFLE_FETCH_RETRY_TIMEOUT_MS, SHUFFLE_INPUT_BUFFER_PERCENT, SHUFFLE_LOG_BACKUPS, SHUFFLE_LOG_KB, SHUFFLE_MEMORY_LIMIT_PERCENT, SHUFFLE_MERGE_PERCENT, SHUFFLE_NOTIFY_READERROR, SHUFFLE_PARALLEL_COPIES, SHUFFLE_READ_TIMEOUT, SKIP_OUTDIR, SKIP_RECORDS, SKIP_START_ATTEMPTS, SPECULATIVE_MINIMUM_ALLOWED_TASKS, SPECULATIVE_RETRY_AFTER_NO_SPECULATE, SPECULATIVE_RETRY_AFTER_SPECULATE, SPECULATIVE_SLOWNODE_THRESHOLD, SPECULATIVE_SLOWTASK_THRESHOLD, SPECULATIVECAP, SPECULATIVECAP_RUNNING_TASKS, SPECULATIVECAP_TOTAL_TASKS, SPLIT_FILE, SPLIT_METAINFO_MAXSIZE, STDERR_LOGFILE_ENV, STDOUT_LOGFILE_ENV, TASK_ATTEMPT_ID, TASK_CLEANUP_NEEDED, TASK_DEBUGOUT_LINES, TASK_EXIT_TIMEOUT, TASK_EXIT_TIMEOUT_CHECK_INTERVAL_MS, TASK_EXIT_TIMEOUT_CHECK_INTERVAL_MS_DEFAULT, TASK_EXIT_TIMEOUT_DEFAULT, TASK_ID, TASK_ISMAP, TASK_LOCAL_WRITE_LIMIT_BYTES, TASK_LOG_BACKUPS, TASK_LOG_PROGRESS_DELTA_THRESHOLD, TASK_LOG_PROGRESS_DELTA_THRESHOLD_DEFAULT, TASK_LOG_PROGRESS_WAIT_INTERVAL_SECONDS, TASK_LOG_PROGRESS_WAIT_INTERVAL_SECONDS_DEFAULT, TASK_MAP_PROFILE_PARAMS, TASK_OUTPUT_DIR, TASK_PARTITION, TASK_PREEMPTION, TASK_PROFILE, TASK_PROFILE_PARAMS, TASK_PROGRESS_REPORT_INTERVAL, TASK_REDUCE_PROFILE_PARAMS, TASK_STUCK_TIMEOUT_MS, TASK_TIMEOUT, TASK_TIMEOUT_CHECK_INTERVAL_MS, TASK_USERLOG_LIMIT, USER_NAME, WORKDIR, WORKFLOW_ADJACENCY_PREFIX_PATTERN, WORKFLOW_ADJACENCY_PREFIX_STRING, WORKFLOW_ID, WORKFLOW_NAME, WORKFLOW_NODE_NAME, WORKFLOW_TAGS, WORKING_DIR</code></li> |
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| </ul> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getArchiveClassPaths--">getArchiveClassPaths</a></span>()</code> |
| <div class="block">Get the archive entries in classpath as an array of Path</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getArchiveTimestamps--">getArchiveTimestamps</a></span>()</code> |
| <div class="block">Get the timestamps of the archives.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getCacheArchives--">getCacheArchives</a></span>()</code> |
| <div class="block">Get cache archives set in the Configuration</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getCacheFiles--">getCacheFiles</a></span>()</code> |
| <div class="block">Get cache files set in the Configuration</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce">Reducer</a><?,?,?,?>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getCombinerClass--">getCombinerClass</a></span>()</code> |
| <div class="block">Get the combiner class for the job.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getCombinerKeyGroupingComparator--">getCombinerKeyGroupingComparator</a></span>()</code> |
| <div class="block">Get the user defined <a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io"><code>RawComparator</code></a> comparator for |
| grouping keys of inputs to the combiner.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getConfiguration--">getConfiguration</a></span>()</code> |
| <div class="block">Return the configuration for the job.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getCredentials--">getCredentials</a></span>()</code> |
| <div class="block">Get credentials for the job.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getFileClassPaths--">getFileClassPaths</a></span>()</code> |
| <div class="block">Get the file entries in classpath as an array of Path</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getFileTimestamps--">getFileTimestamps</a></span>()</code> |
| <div class="block">Get the timestamps of the files.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getGroupingComparator--">getGroupingComparator</a></span>()</code> |
| <div class="block">Get the user defined <a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io"><code>RawComparator</code></a> comparator for |
| grouping keys of inputs to the reduce.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce">InputFormat</a><?,?>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getInputFormatClass--">getInputFormatClass</a></span>()</code> |
| <div class="block">Get the <a href="../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce"><code>InputFormat</code></a> class for the job.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getJar--">getJar</a></span>()</code> |
| <div class="block">Get the pathname of the job's jar.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/hadoop/mapreduce/JobID.html" title="class in org.apache.hadoop.mapreduce">JobID</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getJobID--">getJobID</a></span>()</code> |
| <div class="block">Get the unique ID for the job.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getJobName--">getJobName</a></span>()</code> |
| <div class="block">Get the user-specified job name.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getJobSetupCleanupNeeded--">getJobSetupCleanupNeeded</a></span>()</code> |
| <div class="block">Get whether job-setup and job-cleanup is needed for the job</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getLocalCacheArchives--">getLocalCacheArchives</a></span>()</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">the array returned only includes the items the were |
| downloaded. There is no way to map this to what is returned by |
| <a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getCacheArchives--"><code>getCacheArchives()</code></a>.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getLocalCacheFiles--">getLocalCacheFiles</a></span>()</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">the array returned only includes the items the were |
| downloaded. There is no way to map this to what is returned by |
| <a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getCacheFiles--"><code>getCacheFiles()</code></a>.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getMapOutputKeyClass--">getMapOutputKeyClass</a></span>()</code> |
| <div class="block">Get the key class for the map output data.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getMapOutputValueClass--">getMapOutputValueClass</a></span>()</code> |
| <div class="block">Get the value class for the map output data.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce">Mapper</a><?,?,?,?>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getMapperClass--">getMapperClass</a></span>()</code> |
| <div class="block">Get the <a href="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce"><code>Mapper</code></a> class for the job.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getMaxMapAttempts--">getMaxMapAttempts</a></span>()</code> |
| <div class="block">Get the configured number of maximum attempts that will be made to run a |
| map task, as specified by the <code>mapred.map.max.attempts</code> |
| property.</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getMaxReduceAttempts--">getMaxReduceAttempts</a></span>()</code> |
| <div class="block">Get the configured number of maximum attempts that will be made to run a |
| reduce task, as specified by the <code>mapred.reduce.max.attempts</code> |
| property.</div> |
| </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getNumReduceTasks--">getNumReduceTasks</a></span>()</code> |
| <div class="block">Get configured the number of reduce tasks for this job.</div> |
| </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/apache/hadoop/mapreduce/OutputFormat.html" title="class in org.apache.hadoop.mapreduce">OutputFormat</a><?,?>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getOutputFormatClass--">getOutputFormatClass</a></span>()</code> |
| <div class="block">Get the <a href="../../../../org/apache/hadoop/mapreduce/OutputFormat.html" title="class in org.apache.hadoop.mapreduce"><code>OutputFormat</code></a> class for the job.</div> |
| </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getOutputKeyClass--">getOutputKeyClass</a></span>()</code> |
| <div class="block">Get the key class for the job output data.</div> |
| </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getOutputValueClass--">getOutputValueClass</a></span>()</code> |
| <div class="block">Get the value class for job outputs.</div> |
| </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/apache/hadoop/mapreduce/Partitioner.html" title="class in org.apache.hadoop.mapreduce">Partitioner</a><?,?>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getPartitionerClass--">getPartitionerClass</a></span>()</code> |
| <div class="block">Get the <a href="../../../../org/apache/hadoop/mapreduce/Partitioner.html" title="class in org.apache.hadoop.mapreduce"><code>Partitioner</code></a> class for the job.</div> |
| </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getProfileEnabled--">getProfileEnabled</a></span>()</code> |
| <div class="block">Get whether the task profiling is enabled.</div> |
| </td> |
| </tr> |
| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getProfileParams--">getProfileParams</a></span>()</code> |
| <div class="block">Get the profiler configuration arguments.</div> |
| </td> |
| </tr> |
| <tr id="i30" class="altColor"> |
| <td class="colFirst"><code>org.apache.hadoop.conf.Configuration.IntegerRanges</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getProfileTaskRange-boolean-">getProfileTaskRange</a></span>(boolean isMap)</code> |
| <div class="block">Get the range of maps or reduces to profile.</div> |
| </td> |
| </tr> |
| <tr id="i31" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce">Reducer</a><?,?,?,?>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getReducerClass--">getReducerClass</a></span>()</code> |
| <div class="block">Get the <a href="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce"><code>Reducer</code></a> class for the job.</div> |
| </td> |
| </tr> |
| <tr id="i32" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getSortComparator--">getSortComparator</a></span>()</code> |
| <div class="block">Get the <a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io"><code>RawComparator</code></a> comparator used to compare keys.</div> |
| </td> |
| </tr> |
| <tr id="i33" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getSymlink--">getSymlink</a></span>()</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| </td> |
| </tr> |
| <tr id="i34" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getTaskCleanupNeeded--">getTaskCleanupNeeded</a></span>()</code> |
| <div class="block">Get whether task-cleanup is needed for the job</div> |
| </td> |
| </tr> |
| <tr id="i35" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getUser--">getUser</a></span>()</code> |
| <div class="block">Get the reported username for this job.</div> |
| </td> |
| </tr> |
| <tr id="i36" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getWorkingDirectory--">getWorkingDirectory</a></span>()</code> |
| <div class="block">Get the current working directory for the default file system.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="getConfiguration--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getConfiguration</h4> |
| <pre><a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> getConfiguration()</pre> |
| <div class="block">Return the configuration for the job.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the shared configuration object</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getCredentials--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getCredentials</h4> |
| <pre><a href="../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a> getCredentials()</pre> |
| <div class="block">Get credentials for the job.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>credentials for the job</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getJobID--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getJobID</h4> |
| <pre><a href="../../../../org/apache/hadoop/mapreduce/JobID.html" title="class in org.apache.hadoop.mapreduce">JobID</a> getJobID()</pre> |
| <div class="block">Get the unique ID for the job.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the object with the job id</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getNumReduceTasks--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getNumReduceTasks</h4> |
| <pre>int getNumReduceTasks()</pre> |
| <div class="block">Get configured the number of reduce tasks for this job. Defaults to |
| <code>1</code>.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of reduce tasks for this job.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getWorkingDirectory--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getWorkingDirectory</h4> |
| <pre><a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> getWorkingDirectory() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Get the current working directory for the default file system.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the directory name.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getOutputKeyClass--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getOutputKeyClass</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> getOutputKeyClass()</pre> |
| <div class="block">Get the key class for the job output data.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the key class for the job output data.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getOutputValueClass--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getOutputValueClass</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> getOutputValueClass()</pre> |
| <div class="block">Get the value class for job outputs.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the value class for job outputs.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getMapOutputKeyClass--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getMapOutputKeyClass</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> getMapOutputKeyClass()</pre> |
| <div class="block">Get the key class for the map output data. If it is not set, use the |
| (final) output key class. This allows the map output key class to be |
| different than the final output key class.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the map output key class.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getMapOutputValueClass--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getMapOutputValueClass</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> getMapOutputValueClass()</pre> |
| <div class="block">Get the value class for the map output data. If it is not set, use the |
| (final) output value class This allows the map output value class to be |
| different than the final output value class.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the map output value class.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getJobName--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getJobName</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getJobName()</pre> |
| <div class="block">Get the user-specified job name. This is only used to identify the |
| job to the user.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the job's name, defaulting to "".</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getInputFormatClass--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getInputFormatClass</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce">InputFormat</a><?,?>> getInputFormatClass() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></pre> |
| <div class="block">Get the <a href="../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce"><code>InputFormat</code></a> class for the job.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the <a href="../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce"><code>InputFormat</code></a> class for the job.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getMapperClass--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getMapperClass</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce">Mapper</a><?,?,?,?>> getMapperClass() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></pre> |
| <div class="block">Get the <a href="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce"><code>Mapper</code></a> class for the job.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the <a href="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce"><code>Mapper</code></a> class for the job.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getCombinerClass--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getCombinerClass</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce">Reducer</a><?,?,?,?>> getCombinerClass() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></pre> |
| <div class="block">Get the combiner class for the job.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the combiner class for the job.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getReducerClass--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getReducerClass</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce">Reducer</a><?,?,?,?>> getReducerClass() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></pre> |
| <div class="block">Get the <a href="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce"><code>Reducer</code></a> class for the job.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the <a href="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce"><code>Reducer</code></a> class for the job.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getOutputFormatClass--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getOutputFormatClass</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/apache/hadoop/mapreduce/OutputFormat.html" title="class in org.apache.hadoop.mapreduce">OutputFormat</a><?,?>> getOutputFormatClass() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></pre> |
| <div class="block">Get the <a href="../../../../org/apache/hadoop/mapreduce/OutputFormat.html" title="class in org.apache.hadoop.mapreduce"><code>OutputFormat</code></a> class for the job.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the <a href="../../../../org/apache/hadoop/mapreduce/OutputFormat.html" title="class in org.apache.hadoop.mapreduce"><code>OutputFormat</code></a> class for the job.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getPartitionerClass--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getPartitionerClass</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/apache/hadoop/mapreduce/Partitioner.html" title="class in org.apache.hadoop.mapreduce">Partitioner</a><?,?>> getPartitionerClass() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></pre> |
| <div class="block">Get the <a href="../../../../org/apache/hadoop/mapreduce/Partitioner.html" title="class in org.apache.hadoop.mapreduce"><code>Partitioner</code></a> class for the job.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the <a href="../../../../org/apache/hadoop/mapreduce/Partitioner.html" title="class in org.apache.hadoop.mapreduce"><code>Partitioner</code></a> class for the job.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getSortComparator--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getSortComparator</h4> |
| <pre><a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</a><?> getSortComparator()</pre> |
| <div class="block">Get the <a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io"><code>RawComparator</code></a> comparator used to compare keys.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the <a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io"><code>RawComparator</code></a> comparator used to compare keys.</dd> |
| </dl> |
| </li> |
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| <a name="getJar--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getJar</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getJar()</pre> |
| <div class="block">Get the pathname of the job's jar.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the pathname</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getCombinerKeyGroupingComparator--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getCombinerKeyGroupingComparator</h4> |
| <pre><a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</a><?> getCombinerKeyGroupingComparator()</pre> |
| <div class="block">Get the user defined <a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io"><code>RawComparator</code></a> comparator for |
| grouping keys of inputs to the combiner.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>comparator set by the user for grouping values.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/hadoop/mapreduce/Job.html#setCombinerKeyGroupingComparatorClass-java.lang.Class-"><code>Job.setCombinerKeyGroupingComparatorClass(Class)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getGroupingComparator--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getGroupingComparator</h4> |
| <pre><a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</a><?> getGroupingComparator()</pre> |
| <div class="block">Get the user defined <a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io"><code>RawComparator</code></a> comparator for |
| grouping keys of inputs to the reduce.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>comparator set by the user for grouping values.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/hadoop/mapreduce/Job.html#setGroupingComparatorClass-java.lang.Class-"><code>Job.setGroupingComparatorClass(Class)</code></a>, |
| <a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getCombinerKeyGroupingComparator--"><code>getCombinerKeyGroupingComparator()</code></a></dd> |
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| </ul> |
| <a name="getJobSetupCleanupNeeded--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getJobSetupCleanupNeeded</h4> |
| <pre>boolean getJobSetupCleanupNeeded()</pre> |
| <div class="block">Get whether job-setup and job-cleanup is needed for the job</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>boolean</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getTaskCleanupNeeded--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getTaskCleanupNeeded</h4> |
| <pre>boolean getTaskCleanupNeeded()</pre> |
| <div class="block">Get whether task-cleanup is needed for the job</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>boolean</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getProfileEnabled--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getProfileEnabled</h4> |
| <pre>boolean getProfileEnabled()</pre> |
| <div class="block">Get whether the task profiling is enabled.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if some tasks will be profiled</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getProfileParams--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getProfileParams</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getProfileParams()</pre> |
| <div class="block">Get the profiler configuration arguments. |
| |
| The default value for this property is |
| "-agentlib:hprof=cpu=samples,heap=sites,force=n,thread=y,verbose=n,file=%s"</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the parameters to pass to the task child to configure profiling</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getProfileTaskRange-boolean-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getProfileTaskRange</h4> |
| <pre>org.apache.hadoop.conf.Configuration.IntegerRanges getProfileTaskRange(boolean isMap)</pre> |
| <div class="block">Get the range of maps or reduces to profile.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>isMap</code> - is the task a map?</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the task ranges</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getUser--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getUser</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getUser()</pre> |
| <div class="block">Get the reported username for this job.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the username</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getSymlink--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getSymlink</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| boolean getSymlink()</pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">Originally intended to check if symlinks should be used, but currently |
| symlinks cannot be disabled.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true</dd> |
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| </ul> |
| <a name="getArchiveClassPaths--"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getArchiveClassPaths</h4> |
| <pre><a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[] getArchiveClassPaths()</pre> |
| <div class="block">Get the archive entries in classpath as an array of Path</div> |
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| </ul> |
| <a name="getCacheArchives--"> |
| <!-- --> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getCacheArchives</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</a>[] getCacheArchives() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Get cache archives set in the Configuration</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A URI array of the caches set in the Configuration</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <a name="getCacheFiles--"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getCacheFiles</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</a>[] getCacheFiles() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Get cache files set in the Configuration</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A URI array of the files set in the Configuration</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <a name="getLocalCacheArchives--"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getLocalCacheArchives</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[] getLocalCacheArchives() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">the array returned only includes the items the were |
| downloaded. There is no way to map this to what is returned by |
| <a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getCacheArchives--"><code>getCacheArchives()</code></a>.</span></div> |
| <div class="block">Return the path array of the localized caches</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A path array of localized caches</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <a name="getLocalCacheFiles--"> |
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| <ul class="blockList"> |
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| <h4>getLocalCacheFiles</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[] getLocalCacheFiles() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">the array returned only includes the items the were |
| downloaded. There is no way to map this to what is returned by |
| <a href="../../../../org/apache/hadoop/mapreduce/JobContext.html#getCacheFiles--"><code>getCacheFiles()</code></a>.</span></div> |
| <div class="block">Return the path array of the localized files</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A path array of localized files</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <a name="getFileClassPaths--"> |
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| <h4>getFileClassPaths</h4> |
| <pre><a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[] getFileClassPaths()</pre> |
| <div class="block">Get the file entries in classpath as an array of Path</div> |
| </li> |
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| <div class="block">Get the timestamps of the archives. Used by internal |
| DistributedCache and MapReduce code.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a string array of timestamps</dd> |
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| <div class="block">Get the timestamps of the files. Used by internal |
| DistributedCache and MapReduce code.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a string array of timestamps</dd> |
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| <pre>int getMaxMapAttempts()</pre> |
| <div class="block">Get the configured number of maximum attempts that will be made to run a |
| map task, as specified by the <code>mapred.map.max.attempts</code> |
| property. If this property is not already set, the default is 4 attempts.</div> |
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| <dd>the max number of attempts per map task.</dd> |
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| <pre>int getMaxReduceAttempts()</pre> |
| <div class="block">Get the configured number of maximum attempts that will be made to run a |
| reduce task, as specified by the <code>mapred.reduce.max.attempts</code> |
| property. If this property is not already set, the default is 4 attempts.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the max number of attempts per reduce task.</dd> |
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