@Override
public void updateDemand() {
// Compute demand by iterating through apps in the queue
// Limit demand to maxResources
Resource maxRes = scheduler.getAllocationConfiguration().getMaxResources(getName());
demand = Resources.createResource(0);
for (FSAppAttempt sched : runnableApps) {
if (Resources.equals(demand, maxRes)) {
break;
}
updateDemandForApp(sched, maxRes);
}
for (FSAppAttempt sched : nonRunnableApps) {
if (Resources.equals(demand, maxRes)) {
break;
}
updateDemandForApp(sched, maxRes);
}
if (LOG.isDebugEnabled()) {
LOG.debug("The updated demand for " + getName() + " is " + demand + "; the max is " + maxRes);
}
}
