Jonathan Hung created YARN-9824:
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Summary: Fall back to configured queue ordering policy class name
Key: YARN-9824
URL: https://issues.apache.org/jira/browse/YARN-9824
Project: Hadoop YARN
Issue Type: Improvement
Reporter: Jonathan Hung
Currently this is how configured queue ordering policy is determined:
{noformat}
if (policyType.trim().equals(QUEUE_UTILIZATION_ORDERING_POLICY)) {
// Doesn't respect priority
qop = new PriorityUtilizationQueueOrderingPolicy(false);
} else if (policyType.trim().equals(
QUEUE_PRIORITY_UTILIZATION_ORDERING_POLICY)) {
qop = new PriorityUtilizationQueueOrderingPolicy(true);
} else {
String message =
"Unable to construct queue ordering policy=" + policyType + " queue="
+ queue;
throw new YarnRuntimeException(message);
} {noformat}
If we want to enable a policy which is not QUEUE_UTILIZATION_ORDERING_POLICY orÂ
QUEUE_PRIORITY_UTILIZATION_ORDERING_POLICY, it requires code change here to add
a keyword for this policy.
It'd be easier if the admin could configure a class name here instead of
requiring a keyword.
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