{"id":9563,"date":"2019-04-11T16:24:24","date_gmt":"2019-04-11T14:24:24","guid":{"rendered":"http:\/\/arumel.com\/?p=9563"},"modified":"2019-04-11T16:36:10","modified_gmt":"2019-04-11T14:36:10","slug":"es-19c-la-muerte-de-rac-en-standard-edition","status":"publish","type":"post","link":"https:\/\/arumel.com\/es\/es-19c-la-muerte-de-rac-en-standard-edition\/","title":{"rendered":"\u00bfEs 19c la muerte de RAC en Standard Edition?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Llaga la versi\u00f3n LTS de Oracle 12c, bajo el nombre de 19c. Esta versi\u00f3n, ya disponible en versiones cloud y Exadata, pero no a\u00fan on-premise, trae una serie de cambios t\u00e9cnicos muy difundidos por Oracle, pero puede contener una bomba de profundidad a nivel de licenciamiento no confirmado a\u00fan de manera oficial, que es la desaparici\u00f3n de la tecnolog\u00eda RAC de Standard Edition, donde se encuentra disponible de serie hist\u00f3ricamente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Si no hay anuncio de Oracle, \u00bfpor qu\u00e9 preocuparse?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Oracle no ha comunicado hasta ahora ning\u00fan cambio de licenciamiento al respecto. Cualquier propietario de licencias SE2 en RAC puede pensar que el ciclo de vida de su instalaci\u00f3n est\u00e1 garantizado hasta 2025, fin del soporte de 12c. En 2017, Oracle ya hab\u00eda anunciado que 12.2.0.3 ser\u00eda la versi\u00f3n final de 12c. Con posterioridad, 12.2.0.2 pas\u00f3 a ser denominada 18c, y 12.2.0.3 19c.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/www.itconvergenceinsights.com\/hs-fs\/hubfs\/b1.png?w=1080&#038;ssl=1\" alt=\"b1.png\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Este mapa se transform\u00f3 en esto otro con la nueva nomenclatura:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"593\" src=\"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_920.png?resize=1024%2C593\" alt=\"\" class=\"wp-image-9512\" srcset=\"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_920.png?resize=1024%2C593&amp;ssl=1 1024w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_920.png?resize=300%2C174&amp;ssl=1 300w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_920.png?resize=768%2C444&amp;ssl=1 768w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_920.png?resize=1080%2C625&amp;ssl=1 1080w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_920.png?resize=610%2C353&amp;ssl=1 610w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_920.png?w=1455&amp;ssl=1 1455w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">As\u00ed, si consultamos por ejemplo la <a href=\"https:\/\/docs.oracle.com\/en\/database\/oracle\/oracle-database\/18\/dblic\/Licensing-Information.html#GUID-0F9EB85D-4610-4EDF-89C2-4916A0E7AC87\">documentaci\u00f3n de licenciamento m\u00e1s reciente previa a 19c<\/a>, veremos que <strong>RAC forma parte de SE2 hasta 18c<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"834\" height=\"157\" src=\"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_915.png?resize=834%2C157\" alt=\"\" class=\"wp-image-9537\" srcset=\"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_915.png?w=834&amp;ssl=1 834w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_915.png?resize=300%2C56&amp;ssl=1 300w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_915.png?resize=768%2C145&amp;ssl=1 768w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_915.png?resize=610%2C115&amp;ssl=1 610w\" sizes=\"(max-width: 834px) 100vw, 834px\" \/><figcaption>Disponibilidad de RAC por edici\u00f3n de BD en 18c<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"837\" height=\"200\" src=\"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_917.png?resize=837%2C200\" alt=\"\" class=\"wp-image-9527\" srcset=\"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_917.png?w=837&amp;ssl=1 837w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_917.png?resize=300%2C72&amp;ssl=1 300w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_917.png?resize=768%2C184&amp;ssl=1 768w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_917.png?resize=610%2C146&amp;ssl=1 610w\" sizes=\"(max-width: 837px) 100vw, 837px\" \/><figcaption>Disponibilidad de RAC por edici\u00f3n de BD en 18c<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Sin duda, disponer de una opci\u00f3n activo-activo en la edici\u00f3n Standard hace que Oracle tenga ventajas importantes a nivel de alta disponibilidad sobre otras alternativas de coste similar (SQLServer), como de potencial coste m\u00e1s reducido (PostgreSQL \/ MySQL). Pero al <strong> consultar la misma informaci\u00f3n en la documentaci\u00f3n de 19c, encontramos el cambio. SE2 ya no incluye RAC<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"836\" height=\"157\" src=\"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_916.png?resize=836%2C157\" alt=\"\" class=\"wp-image-9532\" srcset=\"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_916.png?w=836&amp;ssl=1 836w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_916.png?resize=300%2C56&amp;ssl=1 300w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_916.png?resize=768%2C144&amp;ssl=1 768w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_916.png?resize=610%2C115&amp;ssl=1 610w\" sizes=\"(max-width: 836px) 100vw, 836px\" \/><figcaption>Cambio de disponibilidad de RAC por edici\u00f3n de BD en 19c<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"833\" height=\"227\" src=\"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_918.png?resize=833%2C227\" alt=\"\" class=\"wp-image-9522\" srcset=\"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_918.png?w=833&amp;ssl=1 833w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_918.png?resize=300%2C82&amp;ssl=1 300w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_918.png?resize=768%2C209&amp;ssl=1 768w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_918.png?resize=610%2C166&amp;ssl=1 610w\" sizes=\"(max-width: 833px) 100vw, 833px\" \/><figcaption>Cambio de disponibilidad de RAC por edici\u00f3n de BD en 19c<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>La involuci\u00f3n de Standard Edition<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hasta la aparici\u00f3n de la versi\u00f3n 12.1.0.2, exist\u00edan dos opciones \u00ablow cost\u00bb de la base de datos Oracle, Standard Edition One y Standard Edition, la segunda de ellas incluyendo RAC. SE1 permit\u00eda la ejecuci\u00f3n en hasta dos sockets y SE en un m\u00e1ximo de 4 sin l\u00edmite de cores en los dos casos. 12.1.0.2 trajo la desaparici\u00f3n de SE1 y SE, y la presentaci\u00f3n de SE2. Actualizar las licencias a SE2 es necesario para poder actualizar el software y aplicar nuevos parches, con el correspondiente coste para los propietarios de licencias antiguas. SE2 impone un l\u00edmite de 2 procesadores, algo que ya supuso un problema por ejemplo en clientes con RAC sobre servidores de 2 sockets. Si dispones de 4 licencias SE para un entorno de producci\u00f3n con un RAC de 2 nodos con 2 procesadores cada uno, no puedes actualizar a SE2 sin modificar previamente el hardware. Adicionalmente debes asumir el incremento de precio del soporte anual, siendo mayor el impacto econ\u00f3mico en clientes SE1. Adem\u00e1s del nuevo l\u00edmite de procesadores reducido, desde 12.1.0.2 SE2 tiene <em>hard-coded<\/em> una restricci\u00f3n de paralelismo para toda la instancia de un m\u00e1ximo de 16 threads, limitando con ello la escalabilidad. El resumen es un mayor coste de licenciamiento y de soporte a cambio de restringir la capacidad de procesado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Con 19c, es posible que quienes han evolucionado o adquirido nuevas licencias para SE2 con la intenci\u00f3n de utilizar RAC, pueden perder a corto plazo parte del valor de esa inversi\u00f3n, la alta disponibilidad y escalabilidad RAC, ya que <strong>18c tiene como fecha de caducidad el primer trimestre de 2021<\/strong>. A partir de ese momento, no habr\u00eda nuevas actualizaciones para ese RAC. Para el movimiento a 19c ser\u00eda necesario un cambio de arquitectura y moverse a single instance (presumiblemente al mismo precio).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As\u00ed, si hoy instalamos la \u00faltima versi\u00f3n disponible on-premise (18c) con RAC y compramos nuevas licencias para este entorno, el ciclo de vida de la soluci\u00f3n ser\u00e1 de menos de 2 a\u00f1os, pudiento estar comprando una tecnolog\u00eda que dejar\u00e1 de ser viable antes de completar el tiempo previsto de amortizaci\u00f3n.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"344\" src=\"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_919.png?resize=1024%2C344\" alt=\"\" class=\"wp-image-9517\" srcset=\"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_919.png?resize=1024%2C344&amp;ssl=1 1024w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_919.png?resize=300%2C101&amp;ssl=1 300w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_919.png?resize=768%2C258&amp;ssl=1 768w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_919.png?resize=1080%2C363&amp;ssl=1 1080w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_919.png?resize=610%2C205&amp;ssl=1 610w, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2019\/04\/Selecci%C3%B3n_919.png?w=1867&amp;ssl=1 1867w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00bfQu\u00e9 alternativas dar\u00e1 Oracle?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Una posibilidad parece ser que ser\u00e1 el reconocimiento de licencias SE2 como opci\u00f3n BYOL (Bring Your Own Licenses) de la Autonomous Database con una conversi\u00f3n que podr\u00eda ser de 4OCPUs por cada socket SE2 licenciado. De ser as\u00ed, Oracle estar\u00eda reforzando la presi\u00f3n sobre sus clientes para el movimiento a cloud para competir con AWS y Azure principalmente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>La nube como estrategia<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La estrategia de Oracle es clara, apostar por la nube, concretamente por la suya. As\u00ed, estos posibles cambios y conversiones de licencias encajar\u00edan en esa estrategia de ganar masa de clientes en los servicios cloud.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La nube es a d\u00eda de hoy una gran parte del presente, y lo ser\u00e1 todav\u00eda m\u00e1s en el futuro, pero en este momento siguen existiendo reticencias y limitaciones t\u00e9cnicas a la hora de moverse a este tipo de servicios. En el caso de una base de datos, cambiar de modelo implicar\u00e1 cambios adicionales en forma de rendimiento y mayores latencias, especialmente si mantenemos en remoto clientes y servidores de aplicaciones, que puede no ser aceptable para todo el mundo.<br>La estrategia de movimiento a la nube choca tambi\u00e9n con la actual predisposici\u00f3n de muchos clientes. En el webimar de presentaci\u00f3n a partners de las nuevas funcionalidades 19c al que pude asistir, una de las encuestas hechas por Oracle era qu\u00e9 sobre el tipo de despliegues en los que est\u00e1n interesados actualmente los clientes de los partners que asist\u00edamos. El 18% de los asistentes marcaron la opci\u00f3n cloud, 36% on-premise, y el 47% soluciones h\u00edbridas, con todo lo amb\u00edguo que este concepto puede llegar a ser. Se trata de una encuesta poco fiable a nivel estad\u00edstico, y ni siquiera conozco el n\u00famero de asistentes, pero me encaja en el d\u00eda a d\u00eda de nuestros  clientes a d\u00eda de hoy. Este hecho me hace pensar sobre cu\u00e1nto tiene de soluci\u00f3n (mucho sin duda) y cu\u00e1nto de m\u00e1rketing los servicios cloud, y qu\u00e9 cambios surgen con el fin de dar servicio a tus clientes, y cuales lo hacen para marcar el camino que prefieres que sigan.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En la visi\u00f3n cloud de Oracle, es importante tener en cuenta que <a href=\"https:\/\/www.oracle.com\/technetwork\/database\/options\/clustering\/overview\/rac-cloud-support-2843861.pdf\">RAC no tiene soporte en ningunha plataforma cloud que no sea la de Oracle<\/a>, otra limitaci\u00f3n adicional a la libertad de elecci\u00f3n de los clientes, de manera similar a lo que ocurri\u00f3 con VMWare y el soporte de virtualizaci\u00f3n y reconovimiento de particionado de CPUs, batalla claramente perdida por Oracle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Pr\u00f3ximos pasos<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En este momento, <strong>las cosas parecen claras, pero no est\u00e1n confirmadas<\/strong>, y ser\u00eda una muy buena noticia descubrir que esta interpretaci\u00f3n no es la correcta y que podremos seguir usando RAC en 19c SE2, pero hay varias dudas a resolver a corto plazo:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Respuesta oficial de Oracle. \u00bfEs un error lo que vemos en la documentaci\u00f3n y tendremos RAC en 19c? En Arumel estamos esperando confirmaci\u00f3n a nivel comercial de Oracle Espa\u00f1a.<\/li><li>Disponibilidad de 19c on-premise. Esto permitir\u00e1 resolver al menos la duda de si el instalador de SE2 permite desplegar RAC. En el momento de escribir esta entrada, s\u00f3lo est\u00e1 disponible 19c en cloud y Exadata.<\/li><li>Soporte RAC para la familia 12c. En caso de desaparecer, \u00bfqu\u00e9 ocurre con aquellos que invirtieron en licencias para una instalaci\u00f3n RAC sobre 12c con un ciclo de vida que deber\u00eda finalizar en 2026? \u00bfMorir\u00e1 esta inversi\u00f3n on-premise 5 a\u00f1os antesde lo previsto?<\/li><li>Con las restricciones que vemos estos a\u00f1os, \u00bfcu\u00e1l es el futuro de SE2? \u00bfApostamos por Oracle en cliente \u00abno Enterprise\u00bb o pasa a ser una opci\u00f3n de riesgo de ruptura de baraja por parte del proveedor cuando su estrategia no encaje con la del tipo de cliente de sus productos?<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Seg\u00fan la documentaci\u00f3n 19c, SE2 dejar\u00eda de contar con RAC<\/p>\n","protected":false},"author":3,"featured_media":9557,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[62,27,50],"tags":[115,321,390],"class_list":["post-9563","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oracle","category-portada-es","category-slider-post-es","tag-licencias","tag-real-application-clusters","tag-se2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00bfEs 19c la muerte de RAC en Standard Edition? - Arumel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/arumel.com\/es\/es-19c-la-muerte-de-rac-en-standard-edition\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00bfEs 19c la muerte de RAC en Standard Edition? - Arumel\" \/>\n<meta property=\"og:description\" content=\"Seg\u00fan la documentaci\u00f3n 19c, SE2 dejar\u00eda de contar con RAC\" \/>\n<meta property=\"og:url\" content=\"https:\/\/arumel.com\/es\/es-19c-la-muerte-de-rac-en-standard-edition\/\" \/>\n<meta property=\"og:site_name\" content=\"Arumel\" \/>\n<meta property=\"article:published_time\" content=\"2019-04-11T14:24:24+00:00\" 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