@ravi@hortonworks.com More info added Link setResourceName @InterfaceAudience.Public
@InterfaceStability.Stable
public abstract void setResourceName(String resourceName)
Set the resource name (e.g. host/rack) on which the allocation is desired. A special value of * signifies that any resource name (e.g. host/rack) is acceptable.
Parameters: resourceName - (e.g. host/rack) on which the allocation is desired
or You can research on Node Labels
Another doc link
@Public
@Stable
public static ResourceRequest newInstance(Priority priority, String hostName,
Resource capability, int numContainers, boolean relaxLocality,
String labelExpression) {
ResourceRequest request = Records.newRecord(ResourceRequest.class);
request.setPriority(priority);
request.setResourceName(hostName);
request.setCapability(capability);
request.setNumContainers(numContainers);
request.setRelaxLocality(relaxLocality);
request.setNodeLabelExpression(labelExpression);
return request;
}
It only makes sense when the resource location is ANY or rack and not data local.
... View more
