Deprecated API

Contents

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

Deprecated Classes

org.apache.hadoop.mapreduce.filecache.DistributedCache

org.apache.hadoop.mapred.LineRecordReader.LineReader
Use LineReader instead.

Deprecated Enums

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

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

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.mapreduce.Cluster.cancelDelegationToken(Token)
Use Token.cancel(org.apache.hadoop.conf.Configuration) instead

org.apache.hadoop.mapred.JobClient.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.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.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.mapred.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.JobStatus.getJobId()
use getJobID instead

org.apache.hadoop.mapred.JobProfile.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.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.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.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.mapreduce.Cluster.renewDelegationToken(Token)
Use Token.renew(org.apache.hadoop.conf.Configuration) instead

org.apache.hadoop.mapred.JobClient.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

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.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)