istio.io/content/help/faq/mixer/mixer-self-monitoring.md

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Does Mixer provide any self-monitoring?	30

Mixer exposes a monitoring endpoint (default port: 9093). There are a few useful paths to investigate Mixer performance and audit function:

• /metrics provides Prometheus metrics on the Mixer process as well as gRPC metrics related to API calls and metrics on adapter dispatch.
• /debug/pprof provides an endpoint for profiling data in pprof format.
• /debug/vars provides an endpoint exposing server metrics in JSON format.

Mixer logs can be accessed via a kubectl logs command, as follows:

{{< text bash >}} kubectl -n istio-system logs(kubectl -n istio-system get pods -listio=mixer -o jsonpath='{.items[0].metadata.name}') -c mixer {{< /text >}}

Mixer trace generation is controlled by the command-line flag traceOutput. If the flag value is set to STDOUT or STDERR trace data will be written directly to those locations. If a URL is provided, Mixer will post Zipkin-formatted data to that endpoint (example: http://zipkin:9411/api/v1/spans).