private static byte[] toPrettyString(JsonNode resources) throws JsonProcessingException {
        return jsonMapper.writerWithDefaultPrettyPrinter()
                .writeValueAsString(resources)
                .getBytes();
    }
Produces a flat list of metric entries from a snapshot (which organizes metrics by dimensions)
container-core/src/main/java/com/yahoo/container/jdisc/state/StateHandler.java