kangtiann commented on issue #26149: [SPARK-29267][CORE] Support rdd.countApprox should stop when 'timeout' URL: https://github.com/apache/spark/pull/26149#issuecomment-544331897 > > Current countApprox(timeout: Long, confidence: Double = 0.95) can not stop when timeout comes, still running at background, this is a waste of resources. > > This should be a bug, and a bug-fix is expected. `org.apache.spark.partial.PartialResult` is return by countApprox(), PartialResult.getFinalValue() allow us to get final value if wait more time. I think get `final value` is confused, if job is stoped when timeout, how get `final value` ? If job should stop when timeout , we must remove `getFinalValue()` from PartialResult.
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