HeartSaVioR commented on a change in pull request #25135: [SPARK-28367][SS] Use
new KafkaConsumer.poll API in Kafka connector
URL: https://github.com/apache/spark/pull/25135#discussion_r303792433
##########
File path:
external/kafka-0-10-sql/src/main/scala/org/apache/spark/sql/kafka010/KafkaOffsetReader.scala
##########
@@ -419,6 +416,19 @@ private[kafka010] class KafkaOffsetReader(
stopConsumer()
_consumer = null // will automatically get reinitialized again
}
+
+ private def getPartitions(): ju.Set[TopicPartition] = {
+ var partitions = Set.empty[TopicPartition].asJava
+ val startTimeMs = System.currentTimeMillis()
+ while (partitions.isEmpty && System.currentTimeMillis() - startTimeMs <
pollTimeoutMs) {
+ // Poll to get the latest assigned partitions
+ consumer.poll(jt.Duration.ofMillis(100))
Review comment:
No you just need to start the method with below:
```
consumer.poll(jt.Duration.Zero)
var partitions = consumer.assignment()
```
instead of initializing partitions as empty set.
If `consumer.poll(0)` works and partitions are filled with assignment, loop
will not be executed. Does it work for you?
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