[Backport] Coordinator drop segment selection through cost balancer #5948
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* drop selection through cost balancer * use collections.emptyIterator * add test to ensure does not drop from server with larger loading queue with cost balancer * javadocs and comments to clear things up * random drop for completeness
leventov
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Jul 20, 2018
apache#5948) * drop selection through cost balancer * use collections.emptyIterator * add test to ensure does not drop from server with larger loading queue with cost balancer * javadocs and comments to clear things up * random drop for completeness
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Backport of #5529 to 0.12.2.
This change is