KAFKA-8275; Take throttling into account when choosing least loaded node #6619
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If a node is currently throttled, we should take it out of the running for
leastLoadedNode
. Additionally, current logic seems to favor connecting to new nodes rather than using existing connections which have one or more in flight requests. The javadoc is slightly vague about whether this is expected, but it seems not.Committer Checklist (excluded from commit message)