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From pwendell <>
Subject [GitHub] spark pull request: [SPARK-4874] [CORE] Collect record count metri...
Date Mon, 02 Feb 2015 09:15:10 GMT
Github user pwendell commented on the pull request:
    Having a count does seem like a good idea, but I think the current approach of adding
function calls for each iteration is too expensive. What about using a counting iterator and
just asking it at the end?

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