{"id":1613,"date":"2026-04-11T14:38:27","date_gmt":"2026-04-11T14:38:27","guid":{"rendered":"https:\/\/abilit.eu\/?page_id=1613"},"modified":"2026-04-12T08:40:54","modified_gmt":"2026-04-12T08:40:54","slug":"monitoring-metrics-alerting-dashboards","status":"publish","type":"page","link":"https:\/\/abilit.eu\/index.php\/offer\/concept-area\/monitoring-metrics-alerting-dashboards\/","title":{"rendered":"Monitoring \u2014 Metrics, Alerting &#038; Dashboards"},"content":{"rendered":"<h2 class=\"wp-block-post-title\">Monitoring \u2014 Metrics, Alerting &#038; Dashboards<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Comprehensive observability layer for SCADA\u2011LTS and supporting tools (Watchdog, Cleanup, Rate Watcher). Includes metrics collection, alert rules, Grafana dashboards and incident routing best practices.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-c7ebd8d6 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<h3 class=\"wp-block-heading\">Core components<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Metrics: Prometheus collectors for JVM, Host, Application, Probe, and Cleanup metrics.<\/li>\n\n\n\n<li>Traces: Optional OpenTelemetry instrumentation for request traces and slow paths.<\/li>\n\n\n\n<li>Logs: Centralized ingestion (Loki\/ELK) with structured JSON and correlation IDs.<\/li>\n\n\n\n<li>Dashboards: Grafana panels for system health, capacity, probe success rates and SLA windows.<\/li>\n\n\n\n<li>Alerting &amp; Routing: Alertmanager with receiver chains (email, Slack, Ops SMS, PagerDuty, ServiceNow).<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"border-top-left-radius:42px;border-top-right-radius:42px;border-bottom-left-radius:42px;border-bottom-right-radius:42px;background-color:#f8fbff;padding-top:0;padding-bottom:0;flex-basis:33.33%\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-094d544d wp-block-group-is-layout-constrained\" style=\"border-top-left-radius:27px;border-top-right-radius:27px;border-bottom-left-radius:27px;border-bottom-right-radius:27px;padding-top:var(--wp--preset--spacing--x-small);padding-right:var(--wp--preset--spacing--x-small);padding-bottom:var(--wp--preset--spacing--x-small);padding-left:var(--wp--preset--spacing--x-small)\">\n<h4 class=\"wp-block-heading\">Quick facts<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Stack:<\/strong> Prometheus + Alertmanager + Grafana + Loki\/OTel<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Retention:<\/strong> Metrics 15d (hot), 90d (cold) \u2014 configurable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dashboards:<\/strong><a href=\"https:\/\/abilit.eu\/&lt;!-- TODO: GRAFANA DASHBOARD URL --&gt;\">Export \/ Import JSON<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Recommended metrics &amp; labels<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Design metric schema with consistent labels for service, instance, region, environment, and team. Example key metrics:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>service_up{service,instance,env}<\/li>\n\n\n\n<li>jvm_memory_bytes_used{area,service,instance}<\/li>\n\n\n\n<li>http_request_duration_seconds_bucket{le,handler,service}<\/li>\n\n\n\n<li>probe_success_ratio{probe,service,instance}<\/li>\n\n\n\n<li>cleanup_runs_total{status,rule_set}<\/li>\n\n\n\n<li>watchdog_restarts_total{service,reason}<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Alerting strategy &amp; example rules<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Use multi\u2011tier alerting: P0 (page immediate), P1 (on\u2011call), P2 (email\/Slack). Suppress noisy signals with grouping and inhibition rules.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted has-contrast-color has-text-color has-background has-link-color wp-elements-df0066fa4e8d81d5b9fbcfdc2054b139\" style=\"background-color:#f6f9ff\"># Example Prometheus alert (YAML snippet) - alert: ServiceDown expr: up{job=\"scada-service\"} == 0 for: 3m labels: severity: critical annotations: summary: \"{{ $labels.service }} is down on {{ $labels.instance }}\" description: \"No healthy targets for service {{ $labels.service }} for &gt;3m.\" <\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Inhibition examples: suppress non\u2011critical CPU alerts during maintenance windows; route P0 to PagerDuty and SMS, P1 to Slack + Email.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Grafana dashboards \u2014 essential panels<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Cluster Overview \u2014 service_up, instance counts, alert state summary.<\/li>\n\n\n\n<li>JVM Health \u2014 heap\/non\u2011heap, GC pause histogram, thread states.<\/li>\n\n\n\n<li>Probe Health \u2014 probe success rate by probe and instance, recent failures.<\/li>\n\n\n\n<li>Latency &amp; Error Budget \u2014 p99\/p95 request latency, error rates, SLA burn rate.<\/li>\n\n\n\n<li>Cleanup &amp; Archival \u2014 last run time, items archived, verification failures.<\/li>\n\n\n\n<li>Capacity &amp; Storage \u2014 DB size growth, archive storage usage, reclaimable space.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Logging &amp; Tracing<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Correlate logs with metrics using a correlation_id propagated in headers. Use Loki for logs and OTel for traces to connect slow traces to alerting signals.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Structured logs: include service, instance, request_id, correlation_id, user (if applicable).<\/li>\n\n\n\n<li>Trace sample rate: start low (0.1%) and increase for error paths or performance investigations.<\/li>\n\n\n\n<li>Retention &amp; access: logs 30\u201390 days depending on compliance; archive longer to cold storage.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Operational playbooks<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">For each alert create a one\u2011page runbook containing: immediate checks, mitigation steps, rollbacks and post\u2011mortem triggers.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ServiceDown: check instance logs \u2192 run probe commands \u2192 verify network \u2192 scale or restart with Watchdog hooks.<\/li>\n\n\n\n<li>HighGC: identify memory leak candidates \u2192 increase heap temporarily \u2192 enable allocation sampling \u2192 schedule heap dump.<\/li>\n\n\n\n<li>ProbeFailuresHigh: check upstream dependencies \u2192 verify DNS &amp; certificates \u2192 escalate to team owning dependency.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Scaling &amp; High\u2011availability<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Run Prometheus in HA (federation or Thanos\/Cortex for long\u2011term retention), deploy Alertmanager in clustered mode and use redundant Grafana backends with a shared DB for dashboards.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Long\u2011term metrics: Thanos or Cortex for multi\u2011year retention and cross\u2011cluster queries.<\/li>\n\n\n\n<li>Disaster recovery: backup Alertmanager configs, Grafana dashboards and Prometheus rules to repo with CI\/CD deployment.<\/li>\n\n\n\n<li>Access control: use Grafana RBAC and datasource permissions; restrict edit rights to dashboards that affect on\u2011call behavior.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Integrations &amp; Notifications<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Suggested receivers: Email (team buckets), Slack channels per team, SMS for critical P0, PagerDuty for escalation, ServiceNow for traceable incidents.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Templates &amp; Resources<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Prometheus alert rules repo (example):<\/li>\n\n\n\n<li>Grafana dashboard JSON exports:<\/li>\n\n\n\n<li>Runbook templates and incident report forms:<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Comprehensive observability layer for SCADA\u2011LTS and supporting tools (Watchdog, Cleanup, Rate Watcher). Includes metrics collection, alert rules, Grafana dashboards and incident routing best practices. Core components Quick facts Stack: Prometheus + Alertmanager + Grafana + Loki\/OTel Retention: Metrics 15d (hot), 90d (cold) \u2014 configurable. Dashboards:Export \/ Import JSON Recommended metrics &amp; labels Design metric schema [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":1547,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1613","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/abilit.eu\/index.php\/wp-json\/wp\/v2\/pages\/1613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/abilit.eu\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/abilit.eu\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/abilit.eu\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/abilit.eu\/index.php\/wp-json\/wp\/v2\/comments?post=1613"}],"version-history":[{"count":3,"href":"https:\/\/abilit.eu\/index.php\/wp-json\/wp\/v2\/pages\/1613\/revisions"}],"predecessor-version":[{"id":1664,"href":"https:\/\/abilit.eu\/index.php\/wp-json\/wp\/v2\/pages\/1613\/revisions\/1664"}],"up":[{"embeddable":true,"href":"https:\/\/abilit.eu\/index.php\/wp-json\/wp\/v2\/pages\/1547"}],"wp:attachment":[{"href":"https:\/\/abilit.eu\/index.php\/wp-json\/wp\/v2\/media?parent=1613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}