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java.lang.Objectorg.apache.hadoop.mapred.TaskTrackerStatus.ResourceStatus
public static class TaskTrackerStatus.ResourceStatus
Class representing a collection of resources on this tasktracker.
| Method Summary | |
|---|---|
long |
getAvailableSpace()
Will return LONG_MAX if space hasn't been measured yet. |
long |
getTotalPhysicalMemory()
Get the maximum amount of physical memory on the tasktracker. |
long |
getTotalVirtualMemory()
Get the maximum amount of virtual memory on the tasktracker. |
void |
readFields(DataInput in)
Deserialize the fields of this object from in. |
void |
write(DataOutput out)
Serialize 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 long getTotalVirtualMemory()
JobConf.DISABLED_MEMORY_LIMIT, it should be ignored
and not used in any computation.
public long getTotalPhysicalMemory()
JobConf.DISABLED_MEMORY_LIMIT, it should be ignored
and not used in any computation.
public long getAvailableSpace()
public void write(DataOutput out)
throws IOException
Writableout.
write in interface Writableout - DataOuput to serialize this object into.
IOException
public void readFields(DataInput in)
throws IOException
Writablein.
For efficiency, implementations should attempt to re-use storage in the existing object where possible.
readFields in interface Writablein - DataInput to deseriablize this object from.
IOException
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