ScrapCodes commented on issue #25853: [SPARK-21869][SS] Apply Apache Commons Pool to Kafka producer URL: https://github.com/apache/spark/pull/25853#issuecomment-534524316 My question is, at any point in time, do we need more than one instance of kafka producer on the executor? Since Kafka Producer instance is shared across threads, there is actually one instance being used by all the executor threads. And if we are only using one instance of the Kafka Producer, then why do we need connection pooling? I am definitely not suggesting that Kafka Producer be created per task, in a micro batch. But, do we need object pooling here?
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