From 43aeeb5784252aa69fc3a0674083524131fd6aaf Mon Sep 17 00:00:00 2001 From: James Lawrie Date: Tue, 31 Jan 2023 11:48:07 -0500 Subject: [PATCH] Adds caveats to current exemplar support in the demo architecture Also, updates collector version: exemplars for the latency histogram produced by the span metrics processor are now getting exported for all services and endpoints, not just the first one in the metric family. --- docker-compose.yml | 2 +- docs/demo_features.md | 6 +++++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/docker-compose.yml b/docker-compose.yml index d5285b0ae5..4d0aeb10f6 100644 --- a/docker-compose.yml +++ b/docker-compose.yml @@ -628,7 +628,7 @@ services: # OpenTelemetry Collector otelcol: - image: otel/opentelemetry-collector-contrib:0.69.0 + image: otel/opentelemetry-collector-contrib:0.70.0 container_name: otel-col deploy: resources: diff --git a/docs/demo_features.md b/docs/demo_features.md index a4c0067b55..4c9632cd2e 100644 --- a/docs/demo_features.md +++ b/docs/demo_features.md @@ -17,7 +17,7 @@ be added as the relevant SDKs are released. Collector](https://opentelemetry.io/docs/collector/getting-started)**: all services are instrumented and sending the generated traces and metrics to the OpenTelemetry Collector via gRPC. The received traces are then exported to the - logs and to Jaeger; received metrics and exemplars are exported to logs and Prometheus. + logs and to Jaeger; received metrics and exemplars* are exported to logs and Prometheus. - **[Jaeger](https://www.jaegertracing.io)**: all generated traces are being sent to Jaeger. - **Synthetic Load Generation**: the application demo comes with a background @@ -30,3 +30,7 @@ be added as the relevant SDKs are released. - **[Envoy](https://www.envoyproxy.io/)**: Envoy is used as a reverse proxy for user-facing web interfaces such as the frontend, load generator, and feature flag service. + +_\*Only exemplars attached to histograms are currently exported to Prometheus. +See [issue in the collector](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/18201) +for details._