An interceptor that includes metadata about specific instance in record
headers.
An interceptor that looks for the publish_time
header and record timestamp and calculates
how much time has passed since the each of those times and updates stats for each.
An interceptor that puts a header on each Kafka record indicating when the record was published.
An interceptor that includes metadata about specific instance in
record
headers.instance_key
is a configurable header serialized withSerdes.StringSerde
. The value of the header is configured bykafka.instance.key
application flag. Only if the flag is set will a header key/value be serialized into the record.