Thank you, @David Anderson and @Fuyao Li. This answered my question and cleared my confusions.
On Fri, Mar 26, 2021 at 11:08 AM David Anderson <dander...@apache.org> wrote: > Prometheus is a metrics system; you can use Flink's Prometheus metrics > reporter to send metrics to Prometheus. > > Grafana can also be connected to influxdb, and to databases like mysql and > postgresql, for which sinks are available. > > And the Elasticsearch sink can be used to create visualizations with > Kibana. > > I'm sure there are other solutions as well, but these are some of the > popular ones. > > Regards, > David > > On Fri, Mar 26, 2021 at 5:15 PM Xiong Qiang <winniethepo...@gmail.com> > wrote: > >> Hi All, >> >> I am new to Flink, so forgive me if it is a naive question. >> >> The context is: >> We have a data streaming coming in, and we will use Flink applications to >> do the processing or aggregations. After the processing or aggregation, we >> need some approaches to visualize the results, to either build a dashboard >> or setup alerts, for example, using Prometheus and Grafana. >> However, after reading the documents ( >> https://flink.apache.org/flink-architecture.html and more links) and >> examples ( >> https://ci.apache.org/projects/flink/flink-docs-release-1.12/try-flink/datastream_api.html) >> ( >> https://github.com/ververica/flink-training/blob/master/long-ride-alerts/src/solution/java/org/apache/flink/training/solutions/longrides/LongRidesSolution.java) >> , *I am still not able to close the gap between Flink and a >> monitoring/dashboard tool, e.g. Prometheus/Grafana. * >> >> *The question is:* >> *How are processing results connected/sinked from Flink to >> Prometheus/Grafana? *for example, in the fraud detection example, how is >> the account id = 3, send to Prometheus and Grafana, so that I have a >> dashboard showing there is one suspected account? In the taxi long rides >> example, how do I send the count of long rides from Flink to >> Prometheus/Grafana? >> >> I understand there are sinks ( >> https://ci.apache.org/projects/flink/flink-docs-release-1.12/dev/connectors/). >> However, I didn't see sinks for Prometheus. >> >> Hope I made my question clear. >> >> Thanks >> >