Uses of Class org.apache.hadoop.mapreduce.TaskAttemptID (Hadoop 0.20.2-cdh3u3 API)
Date: 2012-03-20

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## Uses of Class
org.apache.hadoop.mapreduce.TaskAttemptID

Packages that use TaskAttemptID
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 TaskAttemptID in org.apache.hadoop.mapred

Subclasses of TaskAttemptID in org.apache.hadoop.mapred
`class` | `TaskAttemptID` TaskAttemptID represents the immutable and unique identifier for a task attempt.

Methods in org.apache.hadoop.mapred with parameters of type TaskAttemptID
`protected static
`<INKEY,INVALUE,OUTKEY,OUTVALUE> Reducer.Context`
` | `Task.createReduceContext(Reducer<INKEY,INVALUE,OUTKEY,OUTVALUE> reducer, Configuration job, TaskAttemptID taskId, RawKeyValueIterator rIter, Counter inputKeyCounter, Counter inputValueCounter, RecordWriter<OUTKEY,OUTVALUE> output, OutputCommitter committer, StatusReporter reporter, RawComparator<INKEY> comparator, Class<INKEY> keyClass, Class<INVALUE> valueClass)`
`static TaskAttemptID` | `TaskAttemptID.downgrade(TaskAttemptID old)` Downgrade a new TaskAttemptID to an old one

Uses of TaskAttemptID in org.apache.hadoop.mapreduce

Methods in org.apache.hadoop.mapreduce that return TaskAttemptID
`static TaskAttemptID` | `TaskAttemptID.forName(String str)` Construct a TaskAttemptID object from given string
`TaskAttemptID` | `TaskAttemptContext.getTaskAttemptID()` Get the unique name for this task attempt.

Methods in org.apache.hadoop.mapreduce with parameters of type TaskAttemptID
`void` | `Job.failTask(TaskAttemptID taskId)` Fail indicated task attempt.
`void` | `Job.killTask(TaskAttemptID taskId)` Kill indicated task attempt.

Constructors in org.apache.hadoop.mapreduce with parameters of type TaskAttemptID
`MapContext(Configuration conf, TaskAttemptID taskid, RecordReader<KEYIN,VALUEIN> reader, RecordWriter<KEYOUT,VALUEOUT> writer, OutputCommitter committer, StatusReporter reporter, InputSplit split)`
`Mapper.Context(Configuration conf, TaskAttemptID taskid, RecordReader<KEYIN,VALUEIN> reader, RecordWriter<KEYOUT,VALUEOUT> writer, OutputCommitter committer, StatusReporter reporter, InputSplit split)`
`ReduceContext(Configuration conf, TaskAttemptID taskid, RawKeyValueIterator input, Counter inputKeyCounter, Counter inputValueCounter, RecordWriter<KEYOUT,VALUEOUT> output, OutputCommitter committer, StatusReporter reporter, RawComparator<KEYIN> comparator, Class<KEYIN> keyClass, Class<VALUEIN> valueClass)`
`Reducer.Context(Configuration conf, TaskAttemptID taskid, RawKeyValueIterator input, Counter inputKeyCounter, Counter inputValueCounter, RecordWriter<KEYOUT,VALUEOUT> output, OutputCommitter committer, StatusReporter reporter, RawComparator<KEYIN> comparator, Class<KEYIN> keyClass, Class<VALUEIN> valueClass)`
`TaskAttemptContext(Configuration conf, TaskAttemptID taskId)`
`TaskInputOutputContext(Configuration conf, TaskAttemptID taskid, RecordWriter<KEYOUT,VALUEOUT> output, OutputCommitter committer, StatusReporter reporter)`

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