HeartSaVioR commented on a change in pull request #22138: [SPARK-25151][SS]
Apply Apache Commons Pool to KafkaDataConsumer
URL: https://github.com/apache/spark/pull/22138#discussion_r318327913
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File path:
external/kafka-0-10-sql/src/main/scala/org/apache/spark/sql/kafka010/KafkaDataConsumer.scala
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@@ -266,12 +293,9 @@ private[kafka010] case class InternalKafkaConsumer(
}
} catch {
case e: OffsetOutOfRangeException =>
- // When there is some error thrown, it's better to use a new
consumer to drop all cached
- // states in the old consumer. We don't need to worry about the
performance because this
- // is not a common path.
- resetConsumer()
Review comment:
OffsetOutOfRangeException doesn't seem to indicate consumer itself is
corrupted so I feel consumer is not strictly necessary to be reset, but as we
don't know the case of delegation token it would be safer to get new consumer.
I'll address it.
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