HeartSaVioR commented on issue #25853: [SPARK-21869][SS] Apply Apache Commons Pool to Kafka producer URL: https://github.com/apache/spark/pull/25853#issuecomment-564030756 I just went through implementing new approach of SPARK-21869: please take a look at the branch below, which I revise the cache logic for producer. https://github.com/HeartSaVioR/spark/tree/SPARK-21869-new-cache-on-top-of-reverting-SPARK-21869 The actual diff is in this commit, https://github.com/HeartSaVioR/spark/commit/ae2b607089ee115f5993eacf26444c3266fef81f which is on top of revert commit of this PR. To minimize the change I just took the existing class and object, hence things may not seem to be beauty. (For example, I'd really like to avoid having only object and don't expose a chance to inject anything for testing - that's why I separated KafkaDataConsumer and pool implementations.) But it should be easier for us to review the concept. Please let me know if the concept/direction looks good; if we feel this as good alternative for SPARK-21869, I guess we can revert the commit first, and raise a PR for new approach afterwards.
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