[GitHub] [spark] ScrapCodes commented on a change in pull request #23956: [SPARK-27042][SS] Close cached Kafka producer in case of task retry

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ScrapCodes commented on a change in pull request #23956: [SPARK-27042][SS] Close cached Kafka producer in case of task retry
URL: https://github.com/apache/spark/pull/23956#discussion_r262835386
 
 

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 File path: external/kafka-0-10-sql/src/main/scala/org/apache/spark/sql/kafka010/CachedKafkaProducer.scala
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 @@ -79,6 +79,10 @@ private[kafka010] object CachedKafkaProducer extends Logging {
    * one instance per specified kafkaParams.
    */
   private[kafka010] def getOrCreate(kafkaParams: ju.Map[String, Object]): Producer = {
+    if (TaskContext.get != null && TaskContext.get.attemptNumber >= 1) {
+      logDebug(s"Reattempt detected, invalidating cached producer for params $kafkaParams")
+      close(kafkaParams)
 
 Review comment:
   @gaborgsomogyi , I wanted to revive it soon. sorry for the delay. Now I am on it. I will need your help for sure, to discuss possible approaches.

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