DevOps
AWS RDS: Amazon’s Fully Managed Relational Database
What is RDS?
Amazon Relational Database Service is a fully managed cloud based database subsystem that fits the process of configuring, maintaining and scaling relational databases in a cloud environment. Rather than stressing over activities such as installing the database application, performing backups and tuning performance, AWS does a majority of that work for its users.
RDS has easy and frequent setup, operating and scaling so the user can use all of the following database engines:
- Amazon Aurora
- MySQL
- PostgreSQL
- MariaDB
- Oracle
- Microsoft SQL Server
Why Use Amazon RDS?
Building and managing a database on your servers is a tedious work and RDS helps resolve these issues by helping businesses by:
1. Automating Maintenance Tasks
- Install updates and patches whenever required without worrying about work and complexity for AWS to take care of it.
- Automated backups ensure you will not lose critical information.
2. Scaling The System Effortlessly
- If your application grows, you can increase quota and spending power without worrying about a downtime.
- Caches read from slaves and thus improves performance and increases responsiveness.
3. High Availability And Reliability
- RDS uses multi-region deployment where in case of one data center failure, the backup automatic switchover to another data is made. This results in RDS having availability all the time.
- To avoid the loss of revenue and business opportunities, failures are dealt instantly with failover.
4. Security & Compliance
- Data encryption at rest and in transit.
- AWS Identity and access management (IAM) assists with your database security controls.
5. Cost-Effective
- You are only charged for resources that you consume, whether on an on-demand pricing model or paying up front for added discounts on longer terms.
How Does RDS Work?
- Select the database engine of choice such as MySQL or PostgreSQL.
- The AWS deploys and provisions the database on their cloud servers on your behalf.
- Now, you are able to use standard database connection tools to link your application to RDS.
- Tasks such as patching, scaling, backups and monitoring are done automatically by AWS.
Who Should Use Amazon RDS?
- Startups & Small Businesses: Eliminates the need for a full time database administrator.
- Enterprise Applications: Best for large scale applications due to the robust availability and security.
- Developers & DevOps Teams: Spend less time on database management and more time on application development.
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