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AWS Certified SysOps Administrator - Associate Exam Prep

AWS S3 Replication and Event Notifications

Explore how to configure AWS S3 replication for synchronizing data across regions or accounts with versioning and encryption. Understand setting up S3 Event Notifications to trigger actions using Lambda, SNS, SQS, or EventBridge when objects change. This lesson helps you manage data replication and automate workflows using AWS storage features.

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S3 Replication

We can configure S3 buckets to replicate their data to other buckets in the same region (same-region replication, or SRR) or across regions (cross-region replication, or CRR). We can do this for many use cases, like compliance and low-latency access.

  • Notes about S3 Replication:

    • Versioning should be enabled in both source and destination buckets.
    • Buckets can be in two different accounts.
    • Replication of data is asynchronous.
    • The S3 service should have the correct IAM permissions to get data from the source and put data in the destination bucket.
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