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How would you automate Redshift cluster scaling for peak loads?

SQLeasy0.3 min readPremium

**Concurrency Scaling**: Automatic for read bursts; no config. **Compute scaling**: (1) Elastic Resize: Lambda + EventBridge triggers resize API before known peak. (2) Schedule: Cron for recurring (e.g., month-end). (3) Spectrum: Overflow to S3 for ad-hoc. **Automation**:...

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Frequency
Low
Asked at 1 company
Category
487
questions in SQL
Difficulty Split
130E|271M|86H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
Capco

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Expert Answer
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Concurrency Scaling: Automatic for read bursts; no config. Compute scaling: (1) Elastic Resize: Lambda + EventBridge triggers resize API before known peak. (2) Schedule: Cron for recurring (e.g., month-end). (3) Spectrum: Overflow to S3 for ad-hoc. Automation: EventBridge rule → Lambda → modify-cluster. Scale-down rule after peak. Monitor: CloudWatch metrics; alert on queue depth.

The complete answer continues with detailed implementation patterns, architectural trade-offs, and production-grade considerations covering performance optimization and real-world examples.

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