Cloud Architecture

CDC via AWS DMS and EventBridge

Cloud Architecture diagram · made in Skemio

Change Data Capture architecture showing PostgreSQL transaction logs captured by AWS DMS, published to EventBridge, and updating Redis and OpenSearch.
Change Data Capture architecture showing PostgreSQL transaction logs captured by AWS DMS, published to EventBridge, and updating Redis and OpenSearch.
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What it shows

  • AWS DMS reads transaction logs without impacting database query throughput.
  • EventBridge decouples downstream subscribers via schema-validated rules.
  • Maintains read replicas, search indexes, and caches in near real-time.

The takeaway

Use transaction log CDC instead of application-level dual-writes to keep caches and search clusters in sync.

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