istio.io/content/help/faq/telemetry/controlling-what-the-sidecar-reports.md

title	weight
How can I control the data being reported by the sidecar?	20

It's sometimes useful to exclude access to specific URLs from being reported. For example, you might wish to exclude some health-checking URLs. You can skip telemetry reports specific to certain URLs by excluding them using a match clause of the telemetry configuration such as:

{{< text yaml >}} match: source.name != "health" {{< /text >}}