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fix(dashboard): restore pipeline health metrics #411

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2 changes: 1 addition & 1 deletion charts/observability-stack/files/dashboard-pipeline-health.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@ panels:

- id: pipeline-otel-collector-memory
title: "OTel Collector Memory (bytes)"
query: "otelcol_process_memory_rss_bytes"
query: "otelcol_process_memory_rss"
chartType: line

# --- Row 4: OTel Collector CPU & Uptime ---
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9 changes: 9 additions & 0 deletions charts/observability-stack/tests/init_dashboards_configmap_test.yaml
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Expand Up @@ -22,3 +22,12 @@ tests:
- equal:
path: metadata.annotations["helm.sh/hook"]
value: post-install,post-upgrade

- it: should use the collector RSS metric exposed by the OTel Collector
asserts:
- matchRegex:
path: data["dashboard-pipeline-health.yaml"]
pattern: 'query: "otelcol_process_memory_rss"'
- notMatchRegex:
path: data["dashboard-pipeline-health.yaml"]
pattern: "otelcol_process_memory_rss_bytes"
2 changes: 1 addition & 1 deletion docker-compose/opensearch-dashboards/dashboard-pipeline-health.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@ panels:

- id: pipeline-otel-collector-memory
title: "OTel Collector Memory (bytes)"
query: "otelcol_process_memory_rss_bytes"
query: "otelcol_process_memory_rss"
chartType: line

# --- Row 4: OTel Collector CPU & Uptime ---
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30 changes: 28 additions & 2 deletions docker-compose/otel-collector/config.yaml
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Expand Up @@ -56,6 +56,32 @@ receivers:
- target_label: service.name
replacement: frontend-proxy

# Cortex internal metrics for the Pipeline Health dashboard.
prometheus/cortex:
config:
scrape_configs:
- job_name: cortex
scrape_interval: 15s
metrics_path: /metrics
static_configs:
- targets: ["prometheus:9090"]
relabel_configs:
- target_label: service.name
replacement: cortex

# Data Prepper pipeline metrics for the Pipeline Health dashboard.
prometheus/data-prepper:
config:
scrape_configs:
- job_name: data-prepper-pipelines
scrape_interval: 15s
metrics_path: /metrics/prometheus
static_configs:
- targets: ["data-prepper:4900"]
relabel_configs:
- target_label: service.name
replacement: data-prepper

processors:
# Memory limiter prevents OOM by dropping data when memory usage is high
# Critical for stability under load
Expand Down Expand Up @@ -171,9 +197,9 @@ service:
processors: [resourcedetection, memory_limiter, gen_ai_normalizer, transform, batch]
exporters: [otlp/opensearch, debug]

# Metrics pipeline: OTLP + self-scrape + envoy scrape -> processing -> Cortex
# Metrics pipeline: OTLP + component scrapes -> processing -> Cortex
metrics:
receivers: [otlp, prometheus/self, prometheus/envoy]
receivers: [otlp, prometheus/self, prometheus/envoy, prometheus/cortex, prometheus/data-prepper]
processors: [resourcedetection, memory_limiter, batch]
exporters: [prometheusremotewrite/cortex, debug]

Expand Down