AWS Certified Solution Architect – Points to remember (miscellaneous)

1. Simple Queue Service.
   Use Visibility Timeout parameter to avoid duplication of message being processed.
   By Default AWS uses short polling which could incur unnecessary cost to empty response polling.
   Long polling should be used to avoid this.
   ReceiveMessage call sets WaitTimeSeconds to 0.
2. Simple Notification Service usage.
3. Simple Workflow Service Usage.
4. Redshift is a Database Warehouse service.
5. Uses block size of 1 MB. Compared to other databases which use 2 KB to 32 KB much more efficient and reduces IO’s.
6. Kenesis is used for streaming data.