|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object org.apache.hadoop.mapred.ClusterStatus
public class ClusterStatus
Summarizes the size and current state of the cluster.
Method Summary | |
---|---|
int |
getMapTasks()
The number of currently running map tasks. |
int |
getMaxTasks()
The maximum capacity for running tasks in the cluster. |
int |
getReduceTasks()
The number of current running reduce tasks. |
int |
getTaskTrackers()
The number of task trackers in the cluster. |
void |
readFields(DataInput in)
Reads the fields of this object from in . |
void |
write(DataOutput out)
Writes the fields of this object to out . |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
---|
public int getTaskTrackers()
public int getMapTasks()
public int getReduceTasks()
public int getMaxTasks()
public void write(DataOutput out) throws IOException
Writable
out
.
write
in interface Writable
IOException
public void readFields(DataInput in) throws IOException
Writable
in
. For efficiency,
implementations should attempt to re-use storage in the existing object
where possible.
readFields
in interface Writable
IOException
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |