Prometheus

Mendeteksi Concurrency Saturation & GC Thrashing: Jangan Hanya Mengandalkan Metrik CPU & Memory Biasa

19 September 2026·1744 words·9 mins

SRE Observability Performance Jvm Tomcat Garbage-Collection Concurrency Promql Prometheus Sre-Best-Practices

Membongkar jebakan ambang batas statis mentah pada Java Virtual Machine dan bagaimana sinyal saturasi beban nyata (GC Golden Signals & Concurrency Saturation) mencegah alert fatigue dan cascading outage di Apache Tomcat.

Mengapa Auto-Restart di Production Berbahaya: Menerapkan Kebijakan Zero Destructive Auto-Remediation

19 September 2026·2038 words·10 mins

SRE Observability DevOps Tomcat Incident-Response Zero-Remediation Prometheus Alertmanager Architecture Sre-Best-Practices

Membongkar ilusi ‘self-healing’ otomatis di lingkungan produksi dan bagaimana kebijakan Zero Destructive Auto-Remediation serta arsitektur Canonical Diagnostic Authority menjaga integritas sistem dan forensik insiden.

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