Uses of Class
org.apache.hadoop.mapreduce.ID

Packages that use ID

org.apache.hadoop.mapred	A software framework for easily writing applications which process vast amounts of data (multi-terabyte data-sets) parallelly on large clusters (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant manner.
org.apache.hadoop.mapreduce

Uses of ID in org.apache.hadoop.mapred

Subclasses of ID in org.apache.hadoop.mapred

class

ID A general identifier, which internally stores the id as an integer.

Uses of ID in org.apache.hadoop.mapreduce

Subclasses of ID in org.apache.hadoop.mapreduce

class	JobID JobID represents the immutable and unique identifier for the job.
class	TaskAttemptID TaskAttemptID represents the immutable and unique identifier for a task attempt.
class	TaskID TaskID represents the immutable and unique identifier for a Map or Reduce Task.

Methods in org.apache.hadoop.mapreduce with parameters of type ID

int	TaskID.compareTo(ID o) Compare TaskInProgressIds by first jobIds, then by tip numbers.
int	TaskAttemptID.compareTo(ID o) Compare TaskIds by first tipIds, then by task numbers.
int	ID.compareTo(ID that) Compare IDs by associated numbers
int	JobID.compareTo(ID o) Compare JobIds by first jtIdentifiers, then by job numbers