PatrickRen commented on code in PR #54:
URL:
https://github.com/apache/flink-connector-kafka/pull/54#discussion_r1363055143
##########
flink-connector-kafka/src/main/java/org/apache/flink/connector/kafka/source/reader/KafkaPartitionSplitReader.java:
##########
@@ -110,6 +110,13 @@ public RecordsWithSplitIds<ConsumerRecord<byte[], byte[]>>
fetch() throws IOExce
markEmptySplitsAsFinished(recordsBySplits);
return recordsBySplits;
}
+
+ // Track the record fetch lag
+ consumerRecords
+ .iterator()
+ .forEachRemaining(
+ record ->
kafkaSourceReaderMetrics.recordFetched(record.timestamp()));
Review Comment:
@Tan-JiaLiang Indeed. This is a shared issue across all source connectors,
because SourceReaderBase doesn't provide an interface for implementations to
deliver `FetchTime` all the way to the place extracting `EventTime` in
SourceOutput.
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