Deprecated API

Contents

• Deprecated Classes
• Deprecated Enums
• Deprecated Fields
• Deprecated Methods
• Deprecated Constructors

Deprecated Classes

Class and Description
org.apache.hadoop.mapreduce.filecache.DistributedCache
org.apache.hadoop.mapred.LineRecordReader.LineReader Use LineReader instead.

Deprecated Enums

Enum and Description
org.apache.hadoop.mapred.JobInProgress.Counter Provided for compatibility. Use JobCounter instead.
org.apache.hadoop.mapred.Task.Counter Provided for compatibility. Use TaskCounter instead.

Deprecated Fields

Field and Description
org.apache.hadoop.mapreduce.MRJobConfig.CACHE_SYMLINK Symlinks are always on and cannot be disabled.
org.apache.hadoop.mapreduce.server.jobtracker.JTConfig.JT_SUPERGROUP Use MR_SUPERGROUP instead
org.apache.hadoop.mapred.JobConf.MAPRED_MAP_TASK_ULIMIT Configuration key to set the maximum virtual memory available to the map tasks (in kilo-bytes). This has been deprecated and will no longer have any effect.
org.apache.hadoop.mapred.JobConf.MAPRED_REDUCE_TASK_ULIMIT Configuration key to set the maximum virtual memory available to the reduce tasks (in kilo-bytes). This has been deprecated and will no longer have any effect.
org.apache.hadoop.mapred.JobConf.MAPRED_TASK_DEFAULT_MAXVMEM_PROPERTY
org.apache.hadoop.mapred.JobConf.MAPRED_TASK_ENV Use JobConf.MAPRED_MAP_TASK_ENV or JobConf.MAPRED_REDUCE_TASK_ENV
org.apache.hadoop.mapred.JobConf.MAPRED_TASK_JAVA_OPTS Use JobConf.MAPRED_MAP_TASK_JAVA_OPTS or JobConf.MAPRED_REDUCE_TASK_JAVA_OPTS
org.apache.hadoop.mapred.JobConf.MAPRED_TASK_MAXPMEM_PROPERTY
org.apache.hadoop.mapred.JobConf.MAPRED_TASK_MAXVMEM_PROPERTY Use JobConf.MAPRED_JOB_MAP_MEMORY_MB_PROPERTY and JobConf.MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY
org.apache.hadoop.mapred.JobConf.MAPRED_TASK_ULIMIT Configuration key to set the maximum virtual memory available to the child map and reduce tasks (in kilo-bytes). This has been deprecated and will no longer have any effect.
org.apache.hadoop.mapreduce.MRConfig.MR_SUPERGROUP
org.apache.hadoop.mapreduce.server.tasktracker.TTConfig.TT_MEMORY_CALCULATOR_PLUGIN Use TTConfig.TT_RESOURCE_CALCULATOR_PLUGIN instead
org.apache.hadoop.mapred.JobConf.UPPER_LIMIT_ON_TASK_VMEM_PROPERTY

Deprecated Methods

Method and Description
org.apache.hadoop.mapreduce.filecache.DistributedCache.addArchiveToClassPath(Path, Configuration) Use Job.addArchiveToClassPath(Path) instead
org.apache.hadoop.mapreduce.filecache.DistributedCache.addCacheArchive(URI, Configuration) Use Job.addCacheArchive(URI) instead
org.apache.hadoop.mapreduce.filecache.DistributedCache.addCacheFile(URI, Configuration) Use Job.addCacheFile(URI) instead
org.apache.hadoop.mapreduce.filecache.DistributedCache.addFileToClassPath(Path, Configuration) Use Job.addFileToClassPath(Path) instead
org.apache.hadoop.mapred.JobClient.cancelDelegationToken(Token) Use Token.cancel(org.apache.hadoop.conf.Configuration) instead
org.apache.hadoop.mapreduce.Cluster.cancelDelegationToken(Token) Use Token.cancel(org.apache.hadoop.conf.Configuration) instead
org.apache.hadoop.mapred.TaskLog.captureOutAndError(List, List, File, File, long, String) pidFiles are no more used. Instead pid is exported to env variable JVM_PID.
org.apache.hadoop.mapred.FileOutputCommitter.cleanupJob(JobContext)
org.apache.hadoop.mapred.OutputCommitter.cleanupJob(JobContext) Use OutputCommitter.commitJob(JobContext) or OutputCommitter.abortJob(JobContext, int) instead.
org.apache.hadoop.mapred.OutputCommitter.cleanupJob(JobContext) Use OutputCommitter.commitJob(org.apache.hadoop.mapreduce.JobContext) or OutputCommitter.abortJob(org.apache.hadoop.mapreduce.JobContext, org.apache.hadoop.mapreduce.JobStatus.State) instead.
org.apache.hadoop.mapreduce.OutputCommitter.cleanupJob(JobContext) Use OutputCommitter.commitJob(JobContext) and OutputCommitter.abortJob(JobContext, JobStatus.State) instead.
org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.cleanupJob(JobContext)
org.apache.hadoop.mapred.Counters.Counter.contentEquals(Counters.Counter)
org.apache.hadoop.mapred.lib.CombineFileInputFormat.createPool(JobConf, List) Use CombineFileInputFormat.createPool(List).
org.apache.hadoop.mapred.lib.CombineFileInputFormat.createPool(JobConf, PathFilter...) Use CombineFileInputFormat.createPool(PathFilter...).
org.apache.hadoop.mapreduce.Job.createSymlink()
org.apache.hadoop.mapreduce.filecache.DistributedCache.createSymlink(Configuration) This is a NO-OP.
org.apache.hadoop.mapreduce.lib.db.DBRecordReader.createValue()
org.apache.hadoop.mapred.JobConf.deleteLocalFiles()
org.apache.hadoop.mapred.Counters.findCounter(String, int, String) use Counters.findCounter(String, String) instead
org.apache.hadoop.mapreduce.Cluster.getAllJobs() Use Cluster.getAllJobStatuses() instead.
org.apache.hadoop.mapreduce.filecache.DistributedCache.getArchiveClassPaths(Configuration) Use JobContext.getArchiveClassPaths() instead
org.apache.hadoop.mapreduce.filecache.DistributedCache.getArchiveTimestamps(Configuration) Use JobContext.getArchiveTimestamps() instead
org.apache.hadoop.mapreduce.filecache.DistributedCache.getCacheArchives(Configuration) Use JobContext.getCacheArchives() instead
org.apache.hadoop.mapreduce.filecache.DistributedCache.getCacheFiles(Configuration) Use JobContext.getCacheFiles() instead
org.apache.hadoop.mapred.Counters.Group.getCounter(int, String) use Counters.Group.findCounter(String) instead
org.apache.hadoop.mapreduce.filecache.DistributedCache.getFileClassPaths(Configuration) Use JobContext.getFileClassPaths() instead
org.apache.hadoop.mapreduce.filecache.DistributedCache.getFileTimestamps(Configuration) Use JobContext.getFileTimestamps() instead
org.apache.hadoop.mapreduce.Job.getInstance(Cluster) Use Job.getInstance()
org.apache.hadoop.mapreduce.Job.getInstance(Cluster, Configuration) Use Job.getInstance(Configuration)
org.apache.hadoop.mapred.JobClient.getJob(String) Applications should rather use JobClient.getJob(JobID).
org.apache.hadoop.mapred.JobProfile.getJobId() use getJobID() instead
org.apache.hadoop.mapred.JobStatus.getJobId() use getJobID instead
org.apache.hadoop.mapred.RunningJob.getJobID() This method is deprecated and will be removed. Applications should rather use RunningJob.getID().
org.apache.hadoop.mapred.JobID.getJobIDsPattern(String, Integer)
org.apache.hadoop.mapreduce.JobContext.getLocalCacheArchives() the array returned only includes the items the were downloaded. There is no way to map this to what is returned by JobContext.getCacheArchives().
org.apache.hadoop.mapreduce.filecache.DistributedCache.getLocalCacheArchives(Configuration) Use JobContext.getLocalCacheArchives() instead
org.apache.hadoop.mapreduce.JobContext.getLocalCacheFiles() the array returned only includes the items the were downloaded. There is no way to map this to what is returned by JobContext.getCacheFiles().
org.apache.hadoop.mapreduce.filecache.DistributedCache.getLocalCacheFiles(Configuration) Use JobContext.getLocalCacheFiles() instead
org.apache.hadoop.mapred.JobClient.getMapTaskReports(String) Applications should rather use JobClient.getMapTaskReports(JobID)
org.apache.hadoop.mapred.ClusterStatus.getMaxMemory()
org.apache.hadoop.mapred.JobConf.getMaxPhysicalMemoryForTask() this variable is deprecated and nolonger in use.
org.apache.hadoop.mapred.JobConf.getMaxVirtualMemoryForTask() Use JobConf.getMemoryForMapTask() and JobConf.getMemoryForReduceTask()
org.apache.hadoop.mapreduce.lib.db.DBRecordReader.getPos()
org.apache.hadoop.mapred.JobQueueInfo.getQueueState()
org.apache.hadoop.mapred.JobClient.getReduceTaskReports(String) Applications should rather use JobClient.getReduceTaskReports(JobID)
org.apache.hadoop.mapred.JobConf.getSessionId()
org.apache.hadoop.mapreduce.JobContext.getSymlink()
org.apache.hadoop.mapreduce.filecache.DistributedCache.getSymlink(Configuration) symlinks are always created.
org.apache.hadoop.mapred.TaskAttemptID.getTaskAttemptIDsPattern(String, Integer, Boolean, Integer, Integer)
org.apache.hadoop.mapred.TaskAttemptID.getTaskAttemptIDsPattern(String, Integer, TaskType, Integer, Integer)
org.apache.hadoop.mapred.TaskCompletionEvent.getTaskId() use TaskCompletionEvent.getTaskAttemptId() instead.
org.apache.hadoop.mapred.TaskID.getTaskIDsPattern(String, Integer, Boolean, Integer) Use TaskID.getTaskIDsPattern(String, Integer, TaskType, Integer)
org.apache.hadoop.mapred.TaskID.getTaskIDsPattern(String, Integer, TaskType, Integer)
org.apache.hadoop.mapred.JobClient.getTaskOutputFilter()
org.apache.hadoop.mapred.ClusterStatus.getUsedMemory()
org.apache.hadoop.mapreduce.TaskID.isMap()
org.apache.hadoop.mapreduce.TaskAttemptID.isMap()
org.apache.hadoop.mapred.RunningJob.killTask(String, boolean) Applications should rather use RunningJob.killTask(TaskAttemptID, boolean)
org.apache.hadoop.mapreduce.lib.db.DBRecordReader.next(LongWritable, T) Use DBRecordReader.nextKeyValue()
org.apache.hadoop.mapred.JobID.read(DataInput)
org.apache.hadoop.mapred.TaskID.read(DataInput)
org.apache.hadoop.mapred.TaskAttemptID.read(DataInput)
org.apache.hadoop.mapred.JobClient.renewDelegationToken(Token) Use Token.renew(org.apache.hadoop.conf.Configuration) instead
org.apache.hadoop.mapreduce.Cluster.renewDelegationToken(Token) Use Token.renew(org.apache.hadoop.conf.Configuration) instead
org.apache.hadoop.mapred.jobcontrol.Job.setAssignedJobID(JobID) setAssignedJobID should not be called. JOBID is set by the framework.
org.apache.hadoop.mapreduce.filecache.DistributedCache.setCacheArchives(URI[], Configuration) Use Job.setCacheArchives(URI[]) instead
org.apache.hadoop.mapreduce.filecache.DistributedCache.setCacheFiles(URI[], Configuration) Use Job.setCacheFiles(URI[]) instead
org.apache.hadoop.mapreduce.Counter.setDisplayName(String) (and no-op by default)
org.apache.hadoop.mapreduce.counters.GenericCounter.setDisplayName(String)
org.apache.hadoop.mapreduce.counters.AbstractCounter.setDisplayName(String)
org.apache.hadoop.mapred.JobConf.setMaxPhysicalMemoryForTask(long)
org.apache.hadoop.mapred.JobConf.setMaxVirtualMemoryForTask(long) Use JobConf.setMemoryForMapTask(long mem) and Use JobConf.setMemoryForReduceTask(long mem)
org.apache.hadoop.mapred.JobConf.setSessionId(String)
org.apache.hadoop.mapreduce.util.ProcfsBasedProcessTree.setSigKillInterval(long) Use ProcfsBasedProcessTree.ProcfsBasedProcessTree( String, boolean, long) instead
org.apache.hadoop.mapred.TaskCompletionEvent.setTaskId(String) use TaskCompletionEvent.setTaskAttemptId(TaskAttemptID) instead.
org.apache.hadoop.mapred.JobClient.setTaskOutputFilter(JobClient.TaskStatusFilter)
org.apache.hadoop.mapred.Counters.size() use AbstractCounters.countCounters() instead
org.apache.hadoop.mapred.pipes.Submitter.submitJob(JobConf) Use Submitter.runJob(JobConf)

Deprecated Constructors

Constructor and Description
org.apache.hadoop.mapred.FileSplit(Path, long, long, JobConf)
org.apache.hadoop.mapreduce.Job()
org.apache.hadoop.mapreduce.Job(Configuration)
org.apache.hadoop.mapreduce.Job(Configuration, String)
org.apache.hadoop.mapred.JobProfile(String, String, String, String, String) use JobProfile(String, JobID, String, String, String) instead
org.apache.hadoop.mapred.JobStatus(JobID, float, float, float, float, int, JobPriority)
org.apache.hadoop.mapred.JobStatus(JobID, float, float, float, int)
org.apache.hadoop.mapred.JobStatus(JobID, float, float, float, int, JobPriority)
org.apache.hadoop.mapred.JobStatus(JobID, float, float, int)
org.apache.hadoop.mapreduce.jobhistory.MapAttemptFinishedEvent(TaskAttemptID, TaskType, String, long, long, String, String, Counters) please use the constructor with an additional argument, an array of splits arrays instead. See ProgressSplitsBlock for an explanation of the meaning of that parameter. Create an event for successful completion of map attempts
org.apache.hadoop.mapreduce.jobhistory.ReduceAttemptFinishedEvent(TaskAttemptID, TaskType, String, long, long, long, String, String, Counters) please use the constructor with an additional argument, an array of splits arrays instead. See ProgressSplitsBlock for an explanation of the meaning of that parameter. Create an event to record completion of a reduce attempt
org.apache.hadoop.mapred.TaskAttemptID(String, int, boolean, int, int) Use TaskAttemptID.TaskAttemptID(String, int, TaskType, int, int).
org.apache.hadoop.mapreduce.jobhistory.TaskAttemptUnsuccessfulCompletionEvent(TaskAttemptID, TaskType, String, long, String, String) please use the constructor with an additional argument, an array of splits arrays instead. See ProgressSplitsBlock for an explanation of the meaning of that parameter. Create an event to record the unsuccessful completion of attempts
org.apache.hadoop.mapred.TaskID(JobID, boolean, int) Use TaskID.TaskID(String, int, TaskType, int)
org.apache.hadoop.mapred.TaskID(String, int, boolean, int) Use TaskID.TaskID(org.apache.hadoop.mapreduce.JobID, TaskType, int)