in src/main/java/com/amazon/kinesis/kafka/AmazonKinesisSinkTask.java [320:327]
public void close(Collection<TopicPartition> partitions) {
if (singleKinesisProducerPerPartition) {
for (TopicPartition topicPartition : partitions) {
producerMap.get(topicPartition.partition() + "@" + topicPartition.topic()).destroy();
producerMap.remove(topicPartition.partition() + "@" + topicPartition.topic());
}
}
}