org.apache.drill.exec.planner.cost

Class NodeResource

java.lang.Object

org.apache.drill.exec.planner.cost.NodeResource

public class NodeResource
extends Object

This class abstracts the resources like cpu and memory used up by the operators. In future network resources can also be incorporated if required.

Constructor Summary

Constructors

Constructor and Description
NodeResource(long cpu, long memory)

Method Summary

Modifier and Type	Method and Description
void	add(NodeResource other)
static NodeResource	create()
static NodeResource	create(long cpu)
static NodeResource	create(long cpu, long memory)
long	getMemory()
static Map<CoordinationProtos.DrillbitEndpoint,NodeResource>	merge(Map<CoordinationProtos.DrillbitEndpoint,NodeResource> to, Map<CoordinationProtos.DrillbitEndpoint,NodeResource> from)
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

NodeResource

public NodeResource(long cpu,
                    long memory)

Method Detail

add

public void add(NodeResource other)

getMemory

public long getMemory()

merge

public static Map<CoordinationProtos.DrillbitEndpoint,NodeResource> merge(Map<CoordinationProtos.DrillbitEndpoint,NodeResource> to,
                                                                          Map<CoordinationProtos.DrillbitEndpoint,NodeResource> from)

toString

public String toString()

Overrides:

toString in class Object

create

public static NodeResource create()

create

public static NodeResource create(long cpu)

create

public static NodeResource create(long cpu,
                                  long memory)