<ul data-eligibleForWebStory="true"><li>Recording Rules in Prometheus allow precomputing complex queries for faster dashboards and alerts.</li><li>Recording Rules are like materialized views in databases, storing query results for reuse.</li><li>Prometheus supports Recording Rules and Alerting Rules defined in YAML.</li><li>Create Recording Rules in a YAML file, defining PromQL expressions and unique names.</li><li>Add the rule file to Prometheus config and restart to apply new rules.</li><li>Example rule calculates average CPU idle time over the last 5 minutes.</li><li>Naming convention for rules: <level>:<metric>:<operations>.</li><li>Benefits of Recording Rules include speed and efficiency in data processing.</li><li>By default, rules are evaluated at intervals defined in Prometheus server config.</li><li>Promtool helps validate rule files to ensure correct configuration.</li></ul>

Recording Rules in Prometheus

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