fix(db): Bump readonly replica size

[evanhutnik]

Needs more memory

[coderabbitai]

Caution

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📥 Commits

Reviewing files that changed from the base of the PR and between 963c554 and 8811882.

📒 Files selected for processing (2)

• infra/stacks/macrodb/Pulumi.dev.yaml
• infra/stacks/macrodb/Pulumi.prod.yaml

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📝 Walkthrough

Summary by CodeRabbit

• Chores
  • Database infrastructure enhancements: Updated read replica instance sizes in development and production environments. These configuration changes increase compute capacity for database read operations, improving query performance and system stability. Enhanced infrastructure supports better handling of concurrent workloads across both development and production deployments, ensuring more responsive data access.

Walkthrough

Updated Pulumi configuration for macrodb read replica instance sizes. Development environment changed from db.t4g.micro to db.t4g.small. Production environment changed from db.t4g.small to db.t4g.medium.

Changes

Cohort / File(s)	Summary
MacroDB Read Replica Configuration infra/stacks/macrodb/Pulumi.dev.yaml, infra/stacks/macrodb/Pulumi.prod.yaml	Updated macrodb:read_replica_instance_size parameter in both dev and prod environments with incremental instance type upgrades (dev: micro→small, prod: small→medium).

Possibly related PRs

• macrodb replica #2251: Updates the same macrodb:read_replica_instance_size config values for dev and prod that are used by index.ts to configure RDS read replica sizing.

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