{"id":14275,"date":"2025-04-28T16:11:36","date_gmt":"2025-04-28T14:11:36","guid":{"rendered":"https:\/\/hopla.tech\/?p=14275"},"modified":"2025-07-02T13:40:39","modified_gmt":"2025-07-02T11:40:39","slug":"standalone-replica-cluster-cloudnativepg","status":"publish","type":"post","link":"https:\/\/hopla.tech\/en\/standalone-replica-cluster-cloudnativepg\/","title":{"rendered":"CloudNativePG &#8211; Replica Cluster &#8211; II"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\" id=\"h-standalone-replica-cluster\">Standalone Replica Cluster<\/h4>\n\n\n\n<p>En este segundo blog, continuaci\u00f3n de <strong class=\"\">\u201cCloudNativePG &#8211; Replica Cluster &#8211; I\u201d<\/strong>, queremos hacer un ejemplo sencillo y pr\u00e1ctico de c\u00f3mo funciona un replica cluster en una configuraci\u00f3n denominada: <strong class=\"\">Standalone replica cluster<\/strong>. Si todav\u00eda no has le\u00eddo la primera parte del blog te invitamos a hacerlo <a href=\"https:\/\/hopla.tech\/cloudnativepg-replica-cluster-kubernetes\/\">aqu\u00ed<\/a>: mantente aztualizado con nuestros \u00faltimos Insights.<\/p>\n\n\n\n<p>Con este procedimiento queremos mostrar c\u00f3mo funciona la replicaci\u00f3n entre dos clusters diferentes (que pueden estar separados en zonas geogr\u00e1ficas distintas) y ver que esta configuraci\u00f3n puede ser muy \u00fatil para:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Descargar a nuestro cluster principal de carga anal\u00edtica.<\/li>\n\n\n\n<li>Servir como entorno de recuperaci\u00f3n ante desastres (DR).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-1-creacion-del-cluster-principal\">1. Creaci\u00f3n del cluster principal<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"779\" height=\"288\" src=\"https:\/\/hopla.tech\/wp-content\/uploads\/2025\/04\/1-1.webp\" alt=\"\" class=\"wp-image-14276\"\/><figcaption class=\"wp-element-caption\">Configuraci\u00f3n del cluster principal con PostgreSQL 16.1<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"780\" height=\"188\" src=\"https:\/\/hopla.tech\/wp-content\/uploads\/2025\/04\/2.webp\" alt=\"\" class=\"wp-image-14277\"\/><figcaption class=\"wp-element-caption\">Creaci\u00f3n y verificaci\u00f3n del namespace y pods del cluster principal<\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-2-creacion-del-standalone-replica-cluster\">2. Creaci\u00f3n del Standalone Replica Cluster<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"776\" height=\"823\" src=\"https:\/\/hopla.tech\/wp-content\/uploads\/2025\/04\/3.webp\" alt=\"\" class=\"wp-image-14278\"\/><figcaption class=\"wp-element-caption\">Configuraci\u00f3n del cluster DR con replicaci\u00f3n habilitada<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"777\" height=\"159\" src=\"https:\/\/hopla.tech\/wp-content\/uploads\/2025\/04\/4.webp\" alt=\"\" class=\"wp-image-14279\"\/><figcaption class=\"wp-element-caption\">Despliegue y verificaci\u00f3n de pods en el cluster DR<\/figcaption><\/figure>\n\n\n\n<p>El cluster <strong class=\"\">\u201ccluster-dr-replicacluster\u201d<\/strong> se replica v\u00eda <em>streaming replication<\/em> (para simplificar el ejercicio). Lo habitual es disponer de un almacenamiento S3 o S3 compatible donde configurar el <strong class=\"\">Barman Object Store<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"778\" height=\"232\" src=\"https:\/\/hopla.tech\/wp-content\/uploads\/2025\/04\/5.webp\" alt=\"\" class=\"wp-image-14280\"\/><figcaption class=\"wp-element-caption\">Verificaci\u00f3n de la replicaci\u00f3n entre el cluster principal y el cluster DR<\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-3-rompemos-la-replica-y-convertimos-en-dos-clusters-independientes\">3. Rompemos la r\u00e9plica y convertimos en dos clusters independientes<\/h4>\n\n\n\n<p>Para ello, simplemente se modifica el par\u00e1metro [replica.enable] = false <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"777\" height=\"213\" src=\"https:\/\/hopla.tech\/wp-content\/uploads\/2025\/04\/6.webp\" alt=\"\" class=\"wp-image-14281\"\/><figcaption class=\"wp-element-caption\">Deshabilitaci\u00f3n de la replicaci\u00f3n y aplicaci\u00f3n de cambios en el cluster DR<\/figcaption><\/figure>\n\n\n\n<p>Ahora la replicaci\u00f3n ya no funciona y tenemos dos clusters independientes. O visto de otro modo, podemos convertir nuestro cluster de solo lectura en nuestro nuevo cluster de lectura\/escritura.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"775\" height=\"346\" src=\"https:\/\/hopla.tech\/wp-content\/uploads\/2025\/04\/7.webp\" alt=\"\" class=\"wp-image-14282\"\/><figcaption class=\"wp-element-caption\">Validaci\u00f3n de datos tras deshabilitar la replicaci\u00f3n<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"776\" height=\"111\" src=\"https:\/\/hopla.tech\/wp-content\/uploads\/2025\/04\/8.webp\" alt=\"\" class=\"wp-image-14283\"\/><figcaption class=\"wp-element-caption\">Resultado de la consulta tras deshabilitar la replicaci\u00f3n<\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-conclusiones\">Conclusiones<\/h3>\n\n\n\n<p>Este tipo de arquitectura puede ser muy \u00fatil si queremos montar una copia de otro entorno, por ejemplo para:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Descargar a nuestro cluster principal.<\/li>\n\n\n\n<li>Montar un entorno DR.<\/li>\n\n\n\n<li>Realizar pruebas en un cluster diferente al de producci\u00f3n.<\/li>\n<\/ul>\n\n\n\n<p>En el siguiente post, realizaremos una explicaci\u00f3n pr\u00e1ctica de c\u00f3mo implementar y configurar una configuraci\u00f3n \u00ab<a href=\"https:\/\/hopla.tech\/cloudnativepg-distributed-topology-configuracion\/\">Distributed Topology<\/a>\u00ab.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Standalone Replica Cluster En este segundo blog, continuaci\u00f3n de \u201cCloudNativePG &#8211; Replica Cluster &#8211; I\u201d, queremos hacer un ejemplo sencillo y pr\u00e1ctico de c\u00f3mo funciona un replica cluster en una configuraci\u00f3n denominada: Standalone replica cluster. Si todav\u00eda no has le\u00eddo la primera parte del blog te invitamos a hacerlo aqu\u00ed: mantente aztualizado con nuestros \u00faltimos [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14330,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[284],"tags":[310,244,177,311,315],"class_list":["post-14275","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-postgresql","tag-cloudnativepg","tag-cluster","tag-postgresql","tag-replicacluster","tag-standalone"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.4 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Standalone Replica Cluster en CloudNativePG: Gu\u00eda Pr\u00e1ctica<\/title>\n<meta name=\"description\" content=\"Aprende c\u00f3mo funciona un Standalone Replica Cluster en CloudNativePG y sus beneficios para entornos DR y carga anal\u00edtica.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hopla.tech\/en\/standalone-replica-cluster-cloudnativepg\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CloudNativePG - Replica Cluster - II\" \/>\n<meta property=\"og:description\" content=\"Aprende c\u00f3mo funciona un Standalone Replica Cluster en CloudNativePG y sus beneficios para entornos DR y carga anal\u00edtica.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hopla.tech\/en\/standalone-replica-cluster-cloudnativepg\/\" \/>\n<meta property=\"og:site_name\" content=\"Hopla! 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