@JsonProperty
    public int size() {
        return size;
    }
A PayloadGenerator which generates a sequentially increasing payload.

The generated number will wrap around to 0 after the maximum value is reached.
Payloads bigger than 8 bytes will always just be padded with zeros after byte 8.
trogdor/src/main/java/org/apache/kafka/trogdor/workload/SequentialPayloadGenerator.java