org.apache.hadoop.hive.ql.exec
Class MapRedTask
java.lang.Object
org.apache.hadoop.hive.ql.exec.Task<mapredWork>
org.apache.hadoop.hive.ql.exec.MapRedTask
- All Implemented Interfaces:
- Serializable
public class MapRedTask
- extends Task<mapredWork>
- implements Serializable
Alternate implementation (to ExecDriver) of spawning a mapreduce task that runs it from
a separate jvm. The primary issue with this is the inability to control logging from
a separate jvm in a consistent manner
- See Also:
- Serialized Form
Methods inherited from class org.apache.hadoop.hive.ql.exec.Task |
addDependentTask, done, fetch, getChildTasks, getId, getParentTasks, getWork, initialize, isRunnable, removeDependentTask, setChildTasks, setDone, setId, setParentTasks, setWork |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
MapRedTask
public MapRedTask()
execute
public int execute()
- Specified by:
execute
in class Task<mapredWork>
isMapRedTask
public boolean isMapRedTask()
- Overrides:
isMapRedTask
in class Task<mapredWork>
hasReduce
public boolean hasReduce()
- Overrides:
hasReduce
in class Task<mapredWork>
Copyright © 2009 The Apache Software Foundation