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This adds a tutorial for enabling tracing along with a simple all-in-one Jaeger tracing server. Change-Id: I2c0e9b63730e4981c1b9acb67f8a4f90c38395ed
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Tracing
Tracing
Zuul includes support for distributed tracing as described by the OpenTelemetry project. This allows operators (and potentially users) to visualize the progress of events and queue items through the various Zuul components as an aid to debugging.
OpenTelemetry defines several observability signals such as traces, metrics, and logs. Zuul uses other systems for metrics and logs; only traces are exported via OpenTelemetry.
Zuul supports the OpenTelemetry Protocol (OTLP) for exporting traces. Many observability systems support receiving traces via OTLP (including Jaeger tracing).
Configuration
Related configuration is in the tracing section of zuul.conf.
Tutorial
Here is a tutorial that shows how to enable tracing with Zuul and Jaeger.
tutorials/tracing
_`distributed tracing`: https://opentelemetry.io/docs/concepts/observability-primer/#distributed-traces