Amazon’s Simple Storage Service(S3) and Relational Database Service(RDS) both have mustered some popularity in recent times owing to their simplistic yet cost-effective and efficient features. Several business owners and professionals dealing in large amounts of data have shifted and linked their prior data warehouses to Amazon S3 and RDS. Some of these users face the need to make a direct integration between the two, to import data from S3 to RDS MySQL through their AWS accounts.
This article will help you explore the basic functionality and key features of Amazon S3 and Amazon RDS. You will also read about the steps you can follow to integrate Amazon S3 to RDS as well as the challenges faced in this process.
Understanding Amazon S3
Amazon S3 i.e. Simple Storage Service is a highly scalable and versatile object storage service. It optimizes features such as data availability, performance, and security. Web-scale computing is simplified with easy storage and retrieval of data. The data is stored in S3 buckets or file folders that use the metadata and data of an object for storing. S3 operations are carried out in batches as illustrated below:
Understanding the Key Features of Amazon S3
Alongside robust data storage and availability for easy computing, Amazon S3 offers a range of key services and features through its platform:
- Metadata tags can be appended to objects for storage and migration of data across S3 storage classes.
- You can configure and implement a variety of data access controls for data security and prompt protection against any unauthorized users.
- Easy monitoring of data and objects is facilitated with advanced features like Big Data analytics and other processes.
- Storage in the form of objects enables the storage, analysis, and retrieval of large amounts of data from various platforms and multiple devices.
- Four distinct storage classes offer varying levels of availability, performance-based requirements, and durability to the platform.
Understanding Amazon RDS
Amazon RDS is a Relational Database Service that provides features for easy setup, operations, and scalability with cloud services. The merits of Amazon RDS can be illustrated as shown below:
Understanding the Key Features of Amazon RDS
Amazon RDS offers several integral features for streamlined administration and easy data management. These include:
- Features for resizable capacities and automation of mundane tasks such as database setups, hardware provisioning, backups, and patching processes.
- It allows push-button compute scaling and lowers the administrative burden with an improved performance scale.
- The availability and durability of the system are improved with automated backups and robust processes.
- RDS provides prompt security with thorough encryption taking place at all rest and in transit states.
- With the monitoring of various metrics, it makes manageability easier along with a pay for use basis policy, thus, making RDS highly cost-effective and efficient.
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Steps to Integrate Amazon S3 to RDS
To integrate Amazon S3 to RDS and effectively load data from an S3 bucket to an RDS instance, you can follow the approach of copying the CSV file from your S3 bucket in one account to an RDS instance in another. Follow these steps to achieve the same:
S3 to RDS Step 1: Create and attach IAM role to RDS Cluster
Start by creating an IAM role for your RDS cluster in the second account. To do this head over to the IAM page and click the Roles tab. Here, create a new Role and select “service: RDS” along with “use case: RDS – CloudHSM and Directory Service”.
Proceed to attach the policy “AmazonS3FullAccess” to the role, and consequently attach the role to the concerned RDS instance. For this select your Aurora cluster, click “Actions” and “Manage IAM roles”. Add the new role to your cluster.
S3 to RDS Step 2: Create and Attach Parameter Group to RDS Cluster
The next step is to create and attach a custom parameter group to your cluster. For this, go to the RDS page>Parameter Groups and create a new parameter group. Assign the type “DB cluster parameter group” and add a name and a description.
Now, assign the ARN of the previously created IAM role to aurora_load_from_s3_role and aws_default_s3_role parameters.
You also need to attach this group to the RDS cluster. Go to Databases tab>Your Aurora Cluster and start making alterations. Alter the DB cluster parameter group to make the attachment.
S3 to RDS Step 3: Reboot your RDS Instances
Reboot your RDS instances by selecting the instance and clicking on “Actions” and “Reboot”. This will bring all the previous changes made into effect,
S3 to RDS Step 4: Alter S3 Bucket Policy
Now, you need to select the Buket Policy to update your S3 bucket permissions. You can do so by altering the ARN of the IAM role created earlier and the ARN of the S3 bucket as shown below:
S3 to RDS Step 5: Establish a VPC Endpoint
Finally, you need to set up a VPC endpoint in the second account. Go to the VPC page and select the Endpoints tab. Here, select the desired “Service Name”, for instance: com.amazonaws.us-east-1.s3 . Select the VPC, Subnets associated with the cluster, and the Policy as per your requirements.
For a full access integration, the following can be used:
Custom access to only specific S3 buckets can be established as follows:
With all these setups followed through you can now load files from your S3 bucket in your first account to RDS in another using this simple command:
LOAD DATA FROM S3 “s3://sample_bucket/sample_file.csv” INTO TABLE
dbname.dbtable(field1, field2, ...);
Thus, a successful integration between Amazon S3 and Amazon RDS has been made.
Understanding the Challenges of Migrating Data from Amazon S3 to RDS
The process of migrating data from Amazon S3 to Amazon RDS is really easy and simple to follow. However, there are some typical challenges that users might face owing to the manual process of migration. Challenges owing to resiliency can be observed with networking issues to retain RDS instances. If the application state of the machine isn’t preserved it can be challenging during migration.
The limitations due to security vacuums and risks are also major while migrating from an on-premise location to the cloud. The manual management and storage of this data call for centralized monitoring and other operations that require manpower and a hefty budget. Some of these challenges can be easily tackled with integration into an automation platform such as Hevo Data.
Thus, the layered benefits of Amazon S3 and Amazon RDS can be observed with a swift integration between your S3 bucket and RDS instance in respective accounts. To experience less bandwidth eros and an increasingly automated system, Hevo can be a great option for complete management of data transfers, integrations, replication, and analytics.
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