Github user rezasafi commented on a diff in the pull request: https://github.com/apache/spark/pull/19848#discussion_r157111526 --- Diff: core/src/main/scala/org/apache/spark/mapred/SparkHadoopMapRedUtil.scala --- @@ -70,7 +70,8 @@ object SparkHadoopMapRedUtil extends Logging { if (shouldCoordinateWithDriver) { val outputCommitCoordinator = SparkEnv.get.outputCommitCoordinator val taskAttemptNumber = TaskContext.get().attemptNumber() - val canCommit = outputCommitCoordinator.canCommit(jobId, splitId, taskAttemptNumber) --- End diff -- @cloud-fan yeah, but as I mentioned above, removing jobId from the signature of commitTask will cause a binary incompatibility error, since commitTask here is a public method. So although we no longer use it, we cannot remove it.
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