Introducing Spring Framework

Chapter 20 ■ Your First Spring XD Application
Figure 20-9. Spring XD’s Metrics at http://localhost:9393/metrics
Figure 20-9 shows the Spring XD’s metrics; the counter you care about is counter.status.200.streams.docs-pdf.
Also, you can go to http://localhost:9393/metrics/counters and see the name of the actual counter. In your case,
it’s “pdfcount”.
Next, you are going to start by sending a few documents to the RabbitMQ. (You can use the RabbitMQ web
console under the queues and select docs-pdf > Publish Message section.) Look at the metric reported by Spring XD;
you should have the number of messages sent. Also, you can send document messages using one of the producers
from other chapters. After sending the PDF document messages, you can open any browser and go to
http://localhost:9393/metrics/counters/pdfcount (see Figure 20-10).
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