September 2024
Intermediate to advanced
514 pages
13h 29m
Spanish
Content preview from MongoDB: La Guía Definitiva, 3ª EdiciónBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Capítulo 12. Conexión a un Conjunto de Réplicas desde tu aplicación
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Este capítulo trata de cómo interactúan las aplicaciones con los conjuntos de réplica, incluyendo:
Cómo funcionan las conexiones y los fallos
Esperando replicación en escrituras
Enrutar las lecturas al miembro correcto
Comportamiento de la conexión entre cliente y conjunto de réplicas
MongoDB Las bibliotecas cliente ("controladores" en la jerga de MongoDB) están diseñadas para gestionar la comunicación con los servidores MongoDB, independientemente de si el servidor es una instancia MongoDB independiente o un conjunto de réplicas. Para los conjuntos de réplicas, por defecto, los controladores se conectarán al primario y dirigirán todo el tráfico hacia él. Tu aplicación puede realizar lecturas y escrituras como si estuviera hablando con un servidor independiente, mientras que tu conjunto de réplicas mantiene silenciosamente listas las réplicas en caliente en segundo plano.
Las conexiones a un conjunto de réplicas son similares a las conexiones a un único servidor. Utiliza la clase MongoClient clase (o equivalente) en tu controlador y proporciona una lista de semillas para que el controlador se conecte a ella. Una lista de semillas es simplemente una lista de direcciones de servidores. Las semillas son miembros del conjunto de réplicas del que tu aplicación leerá y en el que escribirá datos. No es necesario ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.