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How does enabling high availability (HA) affect Cloud SQL pricing?

hard📝 Application Q9 of 15
GCP - Cloud SQL and Databases
How does enabling high availability (HA) affect Cloud SQL pricing?
AIt roughly doubles the cost due to standby instance
BIt reduces cost by sharing resources
CIt has no impact on pricing
DIt only increases network egress cost
Step-by-Step Solution
Solution:

  1. Step 1: Understand HA architecture

    HA creates a standby instance that duplicates resources, increasing cost.

  2. Step 2: Evaluate pricing impact

    Costs roughly double because you pay for both primary and standby instances.

  3. Final Answer:

    It roughly doubles the cost due to standby instance -> Option A

  4. Quick Check:

    HA doubles cost due to standby [OK]
Quick Trick: HA means paying for two instances, doubling cost [OK]
Common Mistakes:
  • Assuming HA reduces cost
  • Ignoring standby instance charges

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