Github user tzulitai commented on a diff in the pull request: https://github.com/apache/flink/pull/4871#discussion_r146466699 --- Diff: flink-connectors/flink-connector-kinesis/src/main/java/org/apache/flink/streaming/connectors/kinesis/FlinkKinesisProducer.java --- @@ -265,19 +257,86 @@ public void close() throws Exception { if (kp != null) { LOG.info("Flushing outstanding {} records", kp.getOutstandingRecordsCount()); // try to flush all outstanding records - while (kp.getOutstandingRecordsCount() > 0) { - kp.flush(); - try { - Thread.sleep(500); - } catch (InterruptedException e) { - LOG.warn("Flushing was interrupted."); - // stop the blocking flushing and destroy producer immediately - break; - } - } + flushSync(kp); --- End diff -- Makes sense, will change.
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