HeartSaVioR 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_r270610319
##########
File path:
external/kafka-0-10-sql/src/main/scala/org/apache/spark/sql/kafka010/KafkaStreamingWrite.scala
##########
@@ -103,20 +103,18 @@ 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()
KafkaWriterCommitMessage
}
- def abort(): Unit = {}
+ def abort(): Unit = {
+ close()
+ }
- def close(): Unit = {
+ private def close(): Unit = {
+ checkForErrors()
+ producer.flush()
checkForErrors()
- if (producer != null) {
Review comment:
This doesn't seem to be addressed yet. Given we are now dealing reference
count, bugs on double release would break the logic. Could you please comment
if you think it is not needed, or address it if you think it's valid?
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