sqd commented on code in PR #333:
URL:
https://github.com/apache/flink-connector-kafka/pull/333#discussion_r4486512435
##########
flink-connector-kafka/src/main/java/org/apache/flink/connector/kafka/source/reader/KafkaPartitionSplitReader.java:
##########
@@ -64,6 +66,12 @@
public class KafkaPartitionSplitReader
implements SplitReader<ConsumerRecord<byte[], byte[]>,
KafkaPartitionSplit> {
private static final Logger LOG =
LoggerFactory.getLogger(KafkaPartitionSplitReader.class);
+ // The commit delays closing the consumer. The reader waits for its
fetcher to close for at most
+ // source.reader.close.timeout, 30 seconds by default.
+ private static final Duration COMMIT_ON_CLOSE_TIMEOUT =
Duration.ofSeconds(10);
Review Comment:
This is a timeout. Actual time waited is however long it takes for Kafka
broker to ack, usually within milliseconds. It is also just a last line of
defense, which only fires when the latest completed checkpoint's commit hasn't
finished.
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