slfan1989 commented on PR #6356:
URL: https://github.com/apache/hadoop/pull/6356#issuecomment-1857019443
@singer-bin Thank you forYARN's scheduler compares based on memory by
default. We can refer to `FairSharePolicy.java`
Therefore, using memory for comparison in LoadBasedRouterPolicy is in line
with the design rules of the scheduler.
```
/**
* Makes scheduling decisions by trying to equalize shares of memory.
*/
@Private
@Unstable
public class FairSharePolicy extends SchedulingPolicy {
@VisibleForTesting
public static final String NAME = "fair";
private static final Logger LOG =
LoggerFactory.getLogger(FairSharePolicy.class);
private static final String MEMORY =
ResourceInformation.MEMORY_MB.getName();
private static final DefaultResourceCalculator RESOURCE_CALCULATOR =
new DefaultResourceCalculator();
private static final FairShareComparator COMPARATOR =
new FairShareComparator();
@Override
public String getName() {
return NAME;
}
...
```
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