Github user tzulitai commented on a diff in the pull request:
https://github.com/apache/flink/pull/2559#discussion_r80907326
--- Diff:
flink-streaming-connectors/flink-connector-kafka-0.9/src/main/java/org/apache/flink/streaming/connectors/kafka/internal/Kafka09Fetcher.java
---
@@ -285,7 +293,14 @@ public void
commitSpecificOffsetsToKafka(Map<KafkaTopicPartition, Long> offsets)
if (this.consumer != null) {
synchronized (consumerLock) {
- this.consumer.commitSync(offsetsToCommit);
+ if (!commitInProgress) {
+ commitInProgress = true;
+
this.consumer.commitAsync(offsetsToCommit, offsetCommitCallback);
+ }
+ else {
+ LOG.warn("Committing previous
checkpoint's offsets to Kafka not completed. " +
--- End diff --
If the user sets a relatively short checkpoint interval, will this be
flooding log?
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