[grafana] Add Exemplars Dashboard (open-telemetry#1836)

* [grafana] Add Exemplars Dashboard

* changelog

* use heatmap and 95th pct chart

* decrease user load to 5

* increase Jaeger capacity

* use heatmap for histogram

* linter fix

* Add extra row

---------

Co-authored-by: Pierre Tessier <[email protected]>

Author: julianocosta89

.env

@@ -94,7 +94,7 @@ IMAGE_PROVIDER_DOCKERFILE=./src/imageprovider/Dockerfile
 
 # Load Generator
 LOCUST_WEB_PORT=8089
-LOCUST_USERS=10
+LOCUST_USERS=5
 LOCUST_HOST=http://${FRONTEND_PROXY_ADDR}
 LOCUST_WEB_HOST=loadgenerator
 LOCUST_AUTOSTART=true

CHANGELOG.md

@@ -32,6 +32,8 @@ the release.
   ([#1827](https://github.com/open-telemetry/opentelemetry-demo/pull/1827))
 * [cartservice] - Add Exemplars to Cart Service
   ([#1830](https://github.com/open-telemetry/opentelemetry-demo/pull/1830))
+* [grafana] Add Exemplars Dashboard
+  ([#1836](https://github.com/open-telemetry/opentelemetry-demo/pull/1836))
 * [otel-collector] rename otelcol to otel-collector
   ([#1841](https://github.com/open-telemetry/opentelemetry-demo/pull/1841))
 

docker-compose.yml

@@ -689,15 +689,15 @@ services:
     image: ${JAEGERTRACING_IMAGE}
     container_name: jaeger
     command:
-      - "--memory.max-traces=5000"
+      - "--memory.max-traces=25000"
       - "--query.base-path=/jaeger/ui"
       - "--prometheus.server-url=http://${PROMETHEUS_ADDR}"
       - "--prometheus.query.normalize-calls=true"
       - "--prometheus.query.normalize-duration=true"
     deploy:
       resources:
         limits:
-          memory: 400M
+          memory: 1200M
     restart: unless-stopped
     ports:
       - "${JAEGER_SERVICE_PORT}"         # Jaeger UI