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https://issues.apache.org/jira/browse/YARN-10085?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17017331#comment-17017331
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Wangda Tan commented on YARN-10085:
-----------------------------------
[~pbacsko], I also posted a comment on YARN-10043, to me it is sufficient to
convert (drf/fair) from FS to fair (CS), if any of the drf is set in FS, we
should set global DominanteResourceCalculator in CS, and we can print a warning
for that. To be honest it is a minor behavior which we don't need warning too.
> FS-CS converter: remove mixed ordering policy check
> ---------------------------------------------------
>
> Key: YARN-10085
> URL: https://issues.apache.org/jira/browse/YARN-10085
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Peter Bacsko
> Assignee: Peter Bacsko
> Priority: Critical
>
> When YARN-9892 gets committed, this part will become unnecessary:
> {noformat}
> // Validate ordering policy
> if (queueConverter.isDrfPolicyUsedOnQueueLevel()) {
> if (queueConverter.isFifoOrFairSharePolicyUsed()) {
> throw new ConversionException(
> "DRF ordering policy cannot be used together with fifo/fair");
> } else {
> capacitySchedulerConfig.set(
> CapacitySchedulerConfiguration.RESOURCE_CALCULATOR_CLASS,
> DominantResourceCalculator.class.getCanonicalName());
> }
> }
> {noformat}
> We will be able to freely mix fifo/fair/drf, so let's get rid of this strict
> check and also rewrite {{FSQueueConverter.emitOrderingPolicy()}}.
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