WebNov 18, 2024 · Recovery Point Objective (RPO) is the maximum interval of time your organization expects to recover from data loss during disasters. If RPO is not met, the chances of your organization losing significant amounts of important data during downtime go up, putting your organization at risk of losing business and customer confidence.
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Web背景两节点HA架构,如何做到跨机房RPO=0(可靠性维度)?同时RTO可控(可用性维度)?半同步是一个不错的选择。1、当只挂掉一个节点时,可以保证RPO=0。如下:主 -> 从(挂) 主(挂) -> 从 2、当一个节点挂掉后,在另一个节点恢复并开启同步模式前,如果在此期间(当前)主节点也挂掉,(虽然此时从 ... WebAmazon RDS and Amazon Redshift are both structured relational databases. 3. You are a solutions architect working for a media company that hosts its website on AWS. Currently, there is a single Amazon Elastic Compute Cloud (Amazon EC2) Instance on AWS with MySQL installed locally to that Amazon EC2 Instance. asmirandah biodata
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WebThe rds.global_db_rpo parameter controls the RPO setting for a PostgreSQL database. This parameter is supported by Aurora PostgreSQL. Valid values for rds.global_db_rpo range from 20 seconds to 2,147,483,647 seconds … WebAug 30, 2024 · A company runs a fleet of web servers using an Amazon RDS for PostgreSQL DB instance. After a routine compliance check, the company sets a standard that requires a recovery point objective (RPO) of less than 1 second for all its production databases. Which solution meets these requirements? A. Enable a Multi-AZ deployment for the DB instance. WebSep 13, 2024 · また、rpoが5分である点を許容できるのであればrds採用に大きなメリットがあります。 監視やバックアップ以外の運用要件として、スケーリング方法やセキュリティ対策がありますが、これらもAWSの仕組みを生かした検討が必要です。 atenohsah