[HADOOP-805] JobClient should print the Task's stdout and stderr to the clients console - ASF JIRA

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The job client should be configurable to print stdout/stderr for Tasks to the user's console.

JobClient:

public static enum TaskStatusFilter

{ NONE, FAILED, SUCCEEDED}

;

public void setTaskOutputFilter(TaskStatusFilter newValue);
public TaskStatusFilter getTaskOutputFilter();

depends upon

HADOOP-801 job tracker should keep a log of task completion and failure

HADOOP-804 Cut down on the "mumbling" in the Task process' stdout/stderr

is blocked by

HADOOP-975 Separation of user tasks' stdout and stderr streams

is duplicated by

HADOOP-478 Streaming should deliver stderr to the user.

HADOOP-440 In streaming, error messages issued in stream mappers or reducers don't go anywhere