in flume-kafka-sink/src/main/java/org/apache/flume/sink/kafka/KafkaSink.java [475:488]
public void onCompletion(RecordMetadata metadata, Exception exception) {
if (exception != null) {
logger.warn("Error sending message to Kafka {} ", exception.getMessage());
}
if (logger.isDebugEnabled()) {
long eventElapsedTime = System.currentTimeMillis() - startTime;
if (metadata != null) {
logger.debug("Acked message partition:{} ofset:{}", metadata.partition(),
metadata.offset());
}
logger.debug("Elapsed time for send: {}", eventElapsedTime);
}
}