Spot Instance - 용어집

Spot Instance - 용어집

A spot instance is spare cloud capacity available at a discount, subject to interruption.

Detailed Explanation

Spot Instance is a fundamental concept in cloud computing. Understanding spot instance is essential for making informed decisions about cloud architecture, pricing, and optimization.

Key Aspects

  1. Definition: A spot instance is spare cloud capacity available at a discount, subject to interruption.
  2. Relevance: Spot Instance directly impacts cloud performance, cost, and architecture decisions
  3. Measurement: Spot Instance is typically measured and billed according to the cloud provider’s pricing model
  4. Optimization: Proper understanding of Spot Instance enables better resource utilization and cost savings

가격 비교

제공자Related 서비스시간당Notes
AWSAWS service$0.0960Integrated with AWS ecosystem
AzureAzure service$0.0960Integrated with Azure ecosystem
GCPGCP service$0.0670Competitive pricing
AlibabaAlibaba service$0.0500Best APAC pricing

How It Affects Cost

Spot Instance has a direct impact on cloud costs:

  • Higher spot instance typically means higher instance pricing
  • Optimizing spot instance usage can reduce costs by 20-50%
  • Right-sizing based on actual spot instance needs is critical
  • Monitoring spot instance utilization helps identify waste

Best Practices

  1. Monitor regularly: Track spot instance usage to identify trends and anomalies
  2. Right-size: Choose the appropriate level of spot instance for your workload
  3. Use auto-scaling: Automatically adjust spot instance based on demand
  4. Consider cost trade-offs: Balance spot instance with other factors like latency and throughput
  5. Review pricing models: Compare on-demand, reserved, and spot pricing for spot instance resources

데이터 소스

  • API: Multi-provider 공식 가격 API
  • 조회일: 2026-07-23
  • 방법론: 공식 API를 통해 가격을 조회하고 USD 시간당/월간 요금으로 정규화

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