https://eddywiyatno.my.id/journals/Recent content in Journals on Eddy WiyatnoHugo -- gohugo.ioenMon, 21 Sep 2026 19:20:00 +0700https://eddywiyatno.my.id/journals/tomcat-windows-service-vs-windows-container/Mon, 21 Sep 2026 19:20:00 +0700https://eddywiyatno.my.id/journals/tomcat-windows-service-vs-windows-container/Analisis komparatif mendalam antara Apache Tomcat sebagai Windows Service tradisional dan kontainerisasi berbasis Windows Docker NanoServer: membedah batas isolasi memori via Windows Job Objects, mitigasi kebuntuan status STOP_PENDING, pembatasan hak akses ContainerUser, serta strategi mengatasi strict kernel matching LTSC.https://eddywiyatno.my.id/journals/knowledge-as-code-diagnostic-rule-engine-hot-reload/Mon, 21 Sep 2026 08:30:00 +0700https://eddywiyatno.my.id/journals/knowledge-as-code-diagnostic-rule-engine-hot-reload/Membedah arsitektur Autonomous Diagnostic Engine pada project tomcat-diagnostic-service: bagaimana mentransformasikan proses diagnosa insiden yang selama ini manual, lambat, dan membebani on-call SRE menjadi evaluasi otomatis real-time berbasis declarative JSON rulepack yang dapat di-hot-reload di runtime tanpa restart container, analisis keputusan arsitektur TM-ADR-0013 (Node.js 24 ESM + SQLite WAL), 5-Layer Defense-in-Depth ingestion guard (TM-ADR-0018), serta Out-of-Band AI Forensic Enrichment Loop (TM-ADR-0019).https://eddywiyatno.my.id/journals/forensik-kontainer-real-time-golang-socket-engine-spool/Mon, 21 Sep 2026 07:50:00 +0700https://eddywiyatno.my.id/journals/forensik-kontainer-real-time-golang-socket-engine-spool/Membedah arsitektur forensik kontainer modern di production: mengapa interval scrape Prometheus gagal menangkap momen crash fatal OOMKilled atau segfault saat auto-restart aktif, bagaimana Golang dan Container Engine Socket API (Podman, Docker, Windows Named Pipes) menangkap point-in-time evidence milidetik terminasi, serta implementasi zero-dependency tooling melalui tm-agent dan tmctl.https://eddywiyatno.my.id/journals/menjinakkan-windows-containers-docker-nanoserver-linux/Mon, 21 Sep 2026 06:08:00 +0700https://eddywiyatno.my.id/journals/menjinakkan-windows-containers-docker-nanoserver-linux/Panduan mendalam menjinakkan Windows Containers di lingkungan enterprise: strategi menjalankan kontainer secara simetris di Windows Docker NanoServer dan Linux tanpa mengubah basis kode. Mengupas tuntas tantangan kernel matching LTSC, pembatasan hak akses non-admin ContainerUser, otomatisasi DACL NTFS, serta standardisasi storage multi-OS.https://eddywiyatno.my.id/journals/deep-dive-observability-apache-tomcat-jmx-exporter-tls/Sun, 20 Sep 2026 20:00:00 +0700https://eddywiyatno.my.id/journals/deep-dive-observability-apache-tomcat-jmx-exporter-tls/Panduan mendalam mengamankan eksposur metrik internal JVM dan Tomcat MBeans di lingkungan produksi menggunakan Prometheus JMX Exporter Java Agent dengan enkripsi TLS/HTTPS Keystore, pemisahan isolasi konfigurasi runtime (TM-ADR-0002 & TM-ADR-0003), serta optimasi filter MBeans rendah overhead.https://eddywiyatno.my.id/journals/mendeteksi-concurrency-saturation-dan-gc-thrashing/Sat, 19 Sep 2026 18:00:00 +0700https://eddywiyatno.my.id/journals/mendeteksi-concurrency-saturation-dan-gc-thrashing/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.https://eddywiyatno.my.id/journals/mengapa-auto-restart-di-production-berbahaya/Sat, 19 Sep 2026 15:00:00 +0700https://eddywiyatno.my.id/journals/mengapa-auto-restart-di-production-berbahaya/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.