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Home Forums AWS AWS Certified Database – Specialty Dynamo DB: How to achieve 1 Min RTO/2 Minute RPO for Disaster Recovery?

  • Dynamo DB: How to achieve 1 Min RTO/2 Minute RPO for Disaster Recovery?

  • SalientListener

    Member
    March 6, 2022 at 6:02 am

    DynamoDB how to achieve 1 minute RTO vs < 2 minute RPO?

    if we need to design a solution for disaster recovery for the above RTO/RPO requirements – which would suffice? I’m tempted to say (C) but PITR is 5 minutes (but global tables RPO is 1 second so how does PITR even come into the picture?). If (C) is incorrect – what would be the choice? A or D?

    • A. Create a DynamoDB stream that is processed by an AWS Lambda function that copies the data to a DynamoDB table in another Region.

    • B. Use a DynamoDB global table replica in another Region. Enable point-in-time recovery for both tables.

    • C. Use a DynamoDB Accelerator table in another Region. Enable point-in-time recovery for the table.

    • D. Create an AWS Backup plan and assign the DynamoDB table as a resource.

  • Joboy-Pineda-TD

    Member
    April 4, 2022 at 9:16 am

    Hi SalientListener,

    Thanks for posting your question. I’m unsure where you got this question. However, if you enrolled for the course, you should find a thorough explanation on this. I would say:

    RTO – focus on features that help on availability

    RPO – focus on features that address recovery.

    I hope this helps.

    Joboy

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