Architect fault-tolerant applications with instance fleets on Amazon EMR on EC2
Big Data Blog
This article provides a comprehensive guide to architecting fault-tolerant applications using Amazon EMR instance fleets on EC2, focusing on strategies for both stable and spiky workloads.
- Stable workloads benefit from On-Demand Capacity Reservations (ODCRs) to guarantee baseline compute capacity
- Spiky workloads can leverage instance fleet flexibility with multiple strategies:
- Using up to 30 instance types
- Prioritizing newer generation instances
- Selecting multiple availability zones
- Implementing managed scaling
- Key recommendations include:
- Analyze historical compute usage
- Use targeted capacity reservations
- Configure flexible instance types
- Enable managed scaling
The goal is to optimize cluster performance, reduce capacity constraint risks, and manage costs effectively across different workload patterns.
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