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AWS RDS Aurora

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AWS RDS Aurora is a managed relational database (MySQL and PostgreSQL compatible) optimized for cloud. Aurora is faster, cheaper at scale, and scales read replicas automatically. You provision cluster (primary + read replicas), manage backups (AWS handles 35-day retention), monitor performance (CloudWatch, enhanced monitoring). Mastery means understanding cluster architecture, read replica scaling, parameter groups, query optimization, and failover. Learning path: SQL refresher (1 week) → RDS setup (1 week) → Aurora specifics (2 weeks) → tuning + failover (3 weeks).

Vad är AWS RDS Aurora

AWS RDS Aurora is a cloud-native relational database. It's MySQL and PostgreSQL compatible but rebuilt for cloud: 5x faster throughput, auto-scaling read replicas, 35-day automated backups, point-in-time recovery. You provision an Aurora cluster (primary instance + read replicas), define parameters (CPU, memory, storage), and Aurora handles replication, failover, and scaling.

🔧 VERKTYG & EKOSYSTEM
AWS RDS ConsoleAurora ClusterRead ReplicasParameter GroupsEnhanced MonitoringCloudWatchAurora ProxyBacktrackAWS Secrets Manager

💰 Lön per region

OmrådeNybörjareMidErfaren
USA$80k$130k$180k
UK£48k£80k£120k
EU€52k€85k€130k
CANADAC$85kC$135kC$185k

🎯 Karriärer som använder AWS RDS Aurora

Cloud Architect

❓ Vanliga frågor

Should I use Aurora or RDS MySQL/PostgreSQL?
Aurora: 5x faster, better scaling, more expensive. RDS standard: cheaper upfront. Use Aurora for scale; RDS for small apps.
What's the difference between Aurora MySQL and Aurora PostgreSQL?
Both cloud-native, similar speed. MySQL wider ecosystem. PostgreSQL more advanced (JSON, arrays, custom types). Pick based on your tech stack.
How does Aurora scale reads?
Add read replicas (up to 15). Queries route to read replicas via read endpoint (load balanced). Writes go to primary. No replication lag.
What's Aurora Proxy (RDS Proxy)?
Connection pool. RDS Proxy sits between app and database, multiplexes connections. Prevents connection exhaustion on the database.
Can I restore from backups?
Yes, automated backups (35 days). Backtrack feature: rewind database to any point in time (without restoring). Rescue from accidental deletes.
How much does Aurora cost?
Pay per db.t3.small (~$0.18/hour = $130/mo) to db.r6g.16xlarge (~$20/hour = $14k+/mo). Storage: ~$0.10/GB/month. Read replicas: ~50% of primary cost.
Is Aurora suitable for production?
Yes, millions of production databases on Aurora. Default for scale-requiring SaaS. Caveats: connection pooling critical, parameter tuning needed.

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