The text_with_headers serializer (HDFS sink serializer) allows to save the Flume event headers rather than discarding them. The output format consists of the headers, followed b
You can set serializer property to header_and_text, which outputs both the headers and the body.
For example:
agent.sinks.my-hdfs-sink.type = hdfs agent.sinks.my-hdfs-sink.hdfs.fileType = DataStream ... # very important agent.sinks.my-hdfs-sink.serializer = header_and_text