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https://issues.apache.org/jira/browse/YARN-6947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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YunFan Zhou updated YARN-6947:
------------------------------
Description:
{code:java}
@Override
public Resource assignContainer(FSSchedulerNode node) {
Resource assigned = Resources.none();
// If this queue is over its limit, reject
if (!assignContainerPreCheck(node)) {
return assigned;
}
{code}
> The implementation of Schedulable#getResourceUsage so inefficiency that can
> reduce the performance of scheduling
> ----------------------------------------------------------------------------------------------------------------
>
> Key: YARN-6947
> URL: https://issues.apache.org/jira/browse/YARN-6947
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: fairscheduler
> Reporter: YunFan Zhou
> Priority: Critical
>
> {code:java}
> @Override
> public Resource assignContainer(FSSchedulerNode node) {
> Resource assigned = Resources.none();
> // If this queue is over its limit, reject
> if (!assignContainerPreCheck(node)) {
> return assigned;
> }
> {code}
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