You may have seen the nice graph in Kiali showing you how your Istio mesh is composed and where the traffic is flowing.

Showing traffic flow from product page workload to reviews workloads

Another important feature is to highlight when something is not as you would expect it.

I have recorded an 8 minutes video to give you some impressions about what Kiali can tell you in the graph and how you can then dig deeper to find the issue behind it:

The video does not show everything Kiali can present. If you want to learn more, checkout this post from my colleague Mazz, who did a much more in depth video about what the graph can show you.

Also make sure to follow Kialiproject here on Medium to learn more about Kiali.