--- title: Monitoring the Health of KurrentDB Clusters Part 2 description: Part 2 of a KurrentDB cluster monitoring series focuses on log-based monitoring and general health maintenance. Key log signals to watch include projection... canonical: https://daily.dev/posts/monitoring-the-health-of-kurrentdb-clusters-part-2-xfmt7blul twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Monitoring the Health of KurrentDB Clusters Part 2 | daily.dev og:description: Part 2 of a KurrentDB cluster monitoring series focuses on log-based monitoring and general health maintenance. Key log signals to watch include projection... og:url: https://daily.dev/posts/monitoring-the-health-of-kurrentdb-clusters-part-2-xfmt7blul og:image: https://api.daily.dev/og/posts/xfmT7bLuL.png og:image:alt: Monitoring the Health of KurrentDB Clusters Part 2 og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Monitoring the Health of KurrentDB Clusters Part 2 **[Event Store](https://daily.dev/sources/eventstore)** · 4 min read · 0 upvotes · 0 comments ## Summary Part 2 of a KurrentDB cluster monitoring series focuses on log-based monitoring and general health maintenance. Key log signals to watch include projection state size warnings (alert at 8 MB, limit is 16 MB), index merge durations, cluster node version mismatches during non-upgrade periods, and SSL certificate expiration warnings. General health tips cover running scavenges regularly, keeping up with patch versions, monitoring for spikes in error/warning log rates, and using the built-in health endpoint at /health/live to verify node liveness. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Monitoring the Health of KurrentDB Clusters Part 1](https://daily.dev/posts/monitoring-the-health-of-kurrentdb-clusters-part-1-bbs78ahtv) · Event Store · 0 upvotes · 0 comments - [Monitoring the Health of KurrentDB Clusters Part 3](https://daily.dev/posts/monitoring-the-health-of-kurrentdb-clusters-part-3-xa8li5ah4) · Event Store · 0 upvotes · 0 comments - [Monitoring Replication Health in ClickHouse](https://daily.dev/posts/monitoring-replication-health-in-clickhouse-ltsqtitju) · BigData Boutique blog · 0 upvotes · 0 comments - [ClickHouse: Production Monitoring & Optimization Tips](https://daily.dev/posts/clickhouse-production-monitoring-optimization-tips-b06lppnki) · BigData Boutique blog · 5 upvotes · 0 comments - [Quick preview of KurrentDB v26.2](https://daily.dev/posts/quick-preview-of-kurrentdb-v26-2-il7mfj5qb) · Event Store · 1 upvotes · 0 comments --- Tags: [#kubernetes](https://daily.dev/tags/kubernetes), [#architecture](https://daily.dev/tags/architecture), [#logging](https://daily.dev/tags/logging) [View this post on daily.dev](https://daily.dev/posts/monitoring-the-health-of-kurrentdb-clusters-part-2-xfmt7blul) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Monitoring the Health of KurrentDB Clusters Part 2","url":"https://daily.dev/posts/monitoring-the-health-of-kurrentdb-clusters-part-2-xfmt7blul","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/monitoring-the-health-of-kurrentdb-clusters-part-2-xfmt7blul"},"datePublished":"2026-08-04T14:30:29.619Z","dateModified":"2026-08-04T14:31:17.731Z","description":"Part 2 of a KurrentDB cluster monitoring series focuses on log-based monitoring and general health maintenance. 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