Cloud Intermediate
Cloud Cost Optimization — Praktický průvodce¶
Cost OptimizationFinOpsRight-sizingReserved Instances 5 min read
Right-sizing, reserved capacity, spot instances, tagging a governance.
Tři pilíře¶
- Visibility — tagging, cost allocation
- Optimization — RI, Savings Plans, spot
- Governance — budgets, alerts, policies
Quick wins¶
- Vypnutí dev/staging mimo pracovní dobu — úspora ~65 %
- Smazání unused EBS, snapshots, EIPs
- S3 Lifecycle policies
- RI/Savings Plans — 30-72 % úspora
- Spot — až 90 % úspora
- Graviton/ARM — 20 % levnější
Right-sizing¶
40 % instancí využívá <20 % CPU. AWS Cost Explorer rightsizing recommendations pomáhají identifikovat.
Summary¶
Cost optimization = kontinuální proces. Tagging → right-sizing → commitment discounts.
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