ScrapCodes commented on a change in pull request #19096: [SPARK-21869][SS] A
cached Kafka producer should not be closed if any task is using it - adds inuse
tracking.
URL: https://github.com/apache/spark/pull/19096#discussion_r269419077
##########
File path:
external/kafka-0-10-sql/src/main/scala/org/apache/spark/sql/kafka010/KafkaStreamingWrite.scala
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@@ -103,20 +103,21 @@ class KafkaStreamDataWriter(
// Send is asynchronous, but we can't commit until all rows are actually
in Kafka.
// This requires flushing and then checking that no callbacks produced
errors.
// We also check for errors before to fail as soon as possible - the check
is cheap.
- checkForErrors()
- producer.flush()
- checkForErrors()
+ close()
Review comment:
@zsxwing and @gaborgsomogyi, Doing a flush during a commit can have an
impact on the overall performance of the KafkaSink. I have not changed it, from
what it was, but it is worth mentioning.
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