Github user andrewor14 commented on the pull request:
https://github.com/apache/spark/pull/5537#issuecomment-93799183
@SaintBacchus It's fine to set it to 0, but maybe it makes more sense to
just remove the logic that retries port in the first place since the shuffle
service is the only place that binds to ports in the whole subproject. More
specifically I'm referring to `TransportServer#bindRightPort` and
`TransportConf#portMaxRetries`.
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