diff --git a/connect/api/src/main/java/org/apache/kafka/connect/source/SourceTask.java b/connect/api/src/main/java/org/apache/kafka/connect/source/SourceTask.java index 559f02340ca1..2b1770e3ea6a 100644 --- a/connect/api/src/main/java/org/apache/kafka/connect/source/SourceTask.java +++ b/connect/api/src/main/java/org/apache/kafka/connect/source/SourceTask.java @@ -105,9 +105,10 @@ public void initialize(SourceTaskContext context) { public abstract List poll() throws InterruptedException; /** - *

- * Commit the offsets, up to the offsets that have been returned by {@link #poll()}. This - * method should block until the commit is complete. + * This method is invoked periodically when offsets are committed for this source task. Note that the offsets + * being committed won't necessarily correspond to the latest offsets returned by this source task via + * {@link #poll()}. Also see {@link #commitRecord(SourceRecord, RecordMetadata)} which allows for a more + * fine-grained tracking of records that have been successfully delivered. *

* SourceTasks are not required to implement this functionality; Kafka Connect will record offsets * automatically. This hook is provided for systems that also need to store offsets internally