{"id":2242,"date":"2019-08-22T10:56:18","date_gmt":"2019-08-22T10:56:18","guid":{"rendered":"https:\/\/www.testpreptraining.com\/tutorial\/?page_id=2242"},"modified":"2020-05-02T07:46:25","modified_gmt":"2020-05-02T07:46:25","slug":"amazon-rds-2","status":"publish","type":"page","link":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-devops-engineer\/amazon-rds-2\/","title":{"rendered":"Amazon RDS"},"content":{"rendered":"\n<ul class=\"wp-block-list\"><li>Expands to Relational Database Service<\/li><li>Traditional relational databases that include tables, rows, fields<\/li><li>On-Line Transaction Processing (OLTP) type DB<\/li><li>You can copy a snapshot to another region if you want to have your database available in another region<\/li><li>You scale your DB by taking a snapshot and doing a restore to a larger sized tier<\/li><li>Eliminates much of relational database management<\/li><li>Can be scaled independently\n<ul>\n<li>CPU<\/li>\n<\/ul>\n<ul>\n<li>memory<\/li>\n<\/ul>\n<ul>\n<li>storage<\/li>\n<\/ul>\n<ul>\n<li>IOPS&nbsp;<\/li>\n<\/ul>\n<\/li><li>AWS manages\n<ul>\n<li>backups<\/li>\n<\/ul>\n<ul>\n<li>software patching<\/li>\n<\/ul>\n<ul>\n<li>automatic failure detection<\/li>\n<\/ul>\n<ul>\n<li>recovery<\/li>\n<\/ul>\n<\/li><li>Can trigger, manual or automated backups<\/li><li>It provides high availability with primary instance which if fails, switch to secondary instance<\/li><li>Has a soft limit of 40 Amazon RDS DB instances per account<\/li><li>From 40, up to 10 can be Oracle or Microsoft SQL Server DB instances under the License Included model.<\/li><li>Customers can Bring Your Own License (BYOL) model to have all 40 DB instances for Oracle or Microsoft SQL Server<\/li><li>Supports database engines\n<ul>\n<li>MySQL<\/li>\n<\/ul>\n<ul>\n<li>MariaDB<\/li>\n<\/ul>\n<ul>\n<li>PostgreSQL<\/li>\n<\/ul>\n<ul>\n<li>Oracle<\/li>\n<\/ul>\n<ul>\n<li>Microsoft SQL Server<\/li>\n<\/ul>\n<ul>\n<li>MySQL-compatible Amazon Aurora<\/li>\n<\/ul>\n<ul>\n<li>AWS IAM controls AWS resources access to Amazon RDS databases.<\/li>\n<\/ul>\n<\/li><li>For security\n<ul>\n<li>put database in an Amazon Virtual Private Cloud (Amazon VPC)<\/li>\n<\/ul>\n<ul>\n<li>using Secure Sockets Layer (SSL) for data in transit<\/li>\n<\/ul>\n<ul>\n<li>Using encryption for data at rest<\/li>\n<\/ul>\n<\/li><li>RDS APIs and the AWS Management Console provide a management interface that allows you to create, delete, modify, and terminate RDS DB instances; to create DB snapshots; and to perform point-in-time restores<\/li><li>There is no AWS data API for Amazon RDS.<\/li><li>Once a database is created, RDS provides a DNS endpoint for the database which can be used to connect to the database.<\/li><li>Endpoint does not change over the lifetime of the instance even during the failover in case of Multi-AZ configuration<\/li><li>RDS leverages Amazon EBS volumes as its data store<\/li><li>RDS provides database backups, which are replicated across multiple AZ\u2019s<\/li><li>RDS Multi AZ\u2019s feature synchronously replicate data between a primary RDS DB instance and a standby instance in another Availability Zone, which prevents data loss,<\/li><li>RDS provides a DNS endpoint and in case of an failure on the primary, it automatically fails over to the standby instance<\/li><li>RDS also allows Read replicas for the supported databases, which are replicated asynchronously<\/li><li>RDS Provisioned IOPS, where the IOPS can be specified when the instance is launched and is guaranteed over the life of the instance<\/li><\/ul>\n\n\n\n<p>AWS RDS limits per region<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Resource<\/strong><\/td><td><strong>Default Limit<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Cross-region snapshots copy requests<\/td><td>5<\/td><\/tr><tr><td>DB Instances<\/td><td>40<\/td><\/tr><tr><td>Event subscriptions<\/td><td>20<\/td><\/tr><tr><td>Manual snapshots<\/td><td>100<\/td><\/tr><tr><td>Option groups<\/td><td>20<\/td><\/tr><tr><td>Parameter groups<\/td><td>50<\/td><\/tr><tr><td>Read replicas per master<\/td><td>5<\/td><\/tr><tr><td>Reserved instances<\/td><td>40<\/td><\/tr><tr><td>Rules per DB security group<\/td><td>20<\/td><\/tr><tr><td>Rules per VPC security group<\/td><td>50 inbound 50 outbound<\/td><\/tr><tr><td>DB Security groups<\/td><td>25<\/td><\/tr><tr><td>VPC Security groups<\/td><td>5<\/td><\/tr><tr><td>Subnet groups<\/td><td>50<\/td><\/tr><tr><td>Subnets per subnet group<\/td><td>20<\/td><\/tr><tr><td>Tags per resource<\/td><td>50<\/td><\/tr><tr><td>Total storage for all DB instances<\/td><td>100 TiB<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"590\" height=\"400\" src=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/08\/image-166-590x400.png\" alt=\"\" class=\"wp-image-2243\" srcset=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/08\/image-166-590x400.png 590w, https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/08\/image-166.png 624w\" sizes=\"auto, (max-width: 590px) 100vw, 590px\" \/><\/figure>\n\n\n\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Expands to Relational Database Service Traditional relational databases that include tables, rows, fields On-Line Transaction Processing (OLTP) type DB You can copy a snapshot to another region if you want to have your database available in another region You scale your DB by taking a snapshot and doing a restore to a larger sized tier&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2084,"menu_order":44,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[218,7,372,380],"class_list":["post-2242","page","type-page","status-publish","hentry","category-amazon-aws","tag-amazon-rds","tag-aws","tag-devops","tag-devops-engineer"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Amazon RDS | TestPrep Tutorials<\/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:\/\/www.testpreptraining.ai\/tutorial\/aws-devops-engineer\/amazon-rds-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Amazon RDS | TestPrep Tutorials\" 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