org.apache.hadoop.mapreduce.tools
Class CLI
java.lang.Object
org.apache.hadoop.conf.Configured
org.apache.hadoop.mapreduce.tools.CLI
- All Implemented Interfaces:
- org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool
- Direct Known Subclasses:
- JobClient
@InterfaceAudience.Public
@InterfaceStability.Stable
public class CLI
- extends org.apache.hadoop.conf.Configured
- implements org.apache.hadoop.util.Tool
Interprets the map reduce cli options
Constructor Summary |
CLI()
|
CLI(org.apache.hadoop.conf.Configuration conf)
|
Methods inherited from class org.apache.hadoop.conf.Configured |
getConf, setConf |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.hadoop.conf.Configurable |
getConf, setConf |
cluster
protected Cluster cluster
headerPattern
@InterfaceAudience.Private
public static String headerPattern
dataPattern
@InterfaceAudience.Private
public static String dataPattern
CLI
public CLI()
CLI
public CLI(org.apache.hadoop.conf.Configuration conf)
run
public int run(String[] argv)
throws Exception
- Specified by:
run
in interface org.apache.hadoop.util.Tool
- Throws:
Exception
getCounter
protected long getCounter(Counters counters,
String counterGroupName,
String counterName)
throws IOException
- Throws:
IOException
getTaskLogURL
protected static String getTaskLogURL(TaskAttemptID taskId,
String baseUrl)
displayTasks
protected void displayTasks(Job job,
String type,
String state)
throws IOException,
InterruptedException
- Display the information about a job's tasks, of a particular type and
in a particular state
- Parameters:
job
- the jobtype
- the type of the task (map/reduce/setup/cleanup)state
- the state of the task
(pending/running/completed/failed/killed)
- Throws:
IOException
InterruptedException
displayJobList
public void displayJobList(JobStatus[] jobs)
throws IOException,
InterruptedException
- Throws:
IOException
InterruptedException
displayJobList
@InterfaceAudience.Private
public void displayJobList(JobStatus[] jobs,
PrintWriter writer)
main
public static void main(String[] argv)
throws Exception
- Throws:
Exception
Copyright © 2013 Apache Software Foundation. All Rights Reserved.