EC2 T8i Instances Now in São Paulo

Amazon EC2 T8i instances are now available in South America (São Paulo)

In practice: The arrival of T8i instances in São Paulo expands options for cost-conscious workloads in the region.

The news, in plain English

The T8i instance type, built on sixth-gen Intel Xeon 6 processors, is now available in the South America (São Paulo) region.

Amazon EC2 has announced the availability of T8i instances in the South America (São Paulo) region. These instances use custom sixth-generation Intel Xeon 6 processors and offer improvements over previous T3 instances in price performance, compute throughput, network bandwidth, and EBS I/O. This regional expansion gives local cloud engineers a new option for general-purpose workloads.

Technical context

T8i instances are built on the sixth-generation AWS Nitro cards and feature Intel Xeon 6 processors. Compared to T3 instances, they provide:

• Up to 30% better price performance
• Up to 70% higher compute performance
• 1.25x higher network bandwidth
• 2.4x higher EBS bandwidth

These metrics suggest that T8i instances are optimized for workloads that benefit from higher CPU, memory, and I/O throughput at a more favorable cost per unit of performance. The underlying Nitro architecture continues to provide hardware-based isolation and fast instance startup.

Where this fits in practice

The T8i instance family targets a range of general-purpose workloads, including:

• Small to medium-sized application servers
• Development and testing environments
• Low-traffic web applications
• Data processing tasks with moderate I/O requirements

Watch out: While the performance gains are notable, actual workload performance will depend on the specific use case. Workloads heavily dependent on disk I/O or network throughput may see the most benefit. The lack of detailed benchmarks means users should expect some variability in real-world performance.

Adoption path

Adopting T8i instances in São Paulo requires minimal changes to existing workflows:

1. Assess workload fit: Determine if your workloads can benefit from the improved compute and I/O characteristics. Review service-level objectives to see if higher bandwidth or CPU density matters.
2. Test performance: Run benchmarks using representative workloads to compare T8i against current instance types. Use AWS Performance Testing tools where available.
3. Migrate resources: Use AWS tools like CloudFormation or the EC2 console to deploy T8i instances. Update Auto Scaling groups or ECS task definitions as needed.
4. Monitor and optimize: Use CloudWatch and other AWS services to track performance and cost post-deployment. Set alarms for any unexpected latency or throttling.

Cost and operations

• Free Tier eligibility: The T8i.micro and T8i.small sizes are available under the AWS Free Tier, making them attractive for new users or small projects. This can reduce initial costs for proof-of-concept workloads.
• Purchasing options: Currently available as On-Demand instances, with Spot instances and Savings Plan options coming soon. This limited selection may affect cost planning for long-term workloads.
• Operational impact: The improved bandwidth and compute capabilities may reduce the need for additional instances or networking layers in some architectures. However, the lack of detailed vCPU and memory specifications makes capacity planning more challenging.

Security and reliability

The fact pack does not provide specific details on security or reliability enhancements for T8i instances. It is reasonable to assume they inherit the standard security features of EC2 instances on the AWS Nitro system, including hardware-based isolation and secure boot capabilities. Users should review AWS documentation for any region-specific compliance considerations in São Paulo.

Limits and trade-offs

• Region availability: While now available in São Paulo, T8i instances are also deployed in multiple other regions, suggesting a global rollout is underway. This regional presence supports latency-sensitive applications local to South America.
• Instance size range: The announcement mentions T8i.micro and T8i.small under the Free Tier, but does not detail larger sizes or specific vCPU and memory configurations. Users requiring larger instances will need to monitor future updates.
• Missing details: The source does not include specific limitations, configuration examples, or code snippets. Users should refer to official AWS documentation for full specifications and deployment guidance. The absence of detailed benchmarks also limits pre-migration analysis.

Who should act

• New users in São Paulo: The Free Tier eligibility makes T8i instances a cost-effective entry point for developers and small businesses exploring cloud computing.
• Existing EC2 users: Those running T3-based workloads in São Paulo may want to evaluate T8i for potential performance and cost benefits. Compare current spend and latency metrics against projected improvements.
• Workload-specific adopters: Teams with I/O-intensive or compute-bound applications can test the new instance type to see if it meets their needs. Pay particular attention to EBS and network bandwidth requirements.

Bottom line

The availability of T8i instances in South America (São Paulo) offers cloud engineers a new, price-performance-optimized option for general-purpose workloads. While details on specific configurations and advanced features are pending, the stated improvements over T3 instances suggest a meaningful upgrade path for suitable use cases. Cloud teams should treat this as a regional expansion rather than a fundamental architecture shift, and prioritize testing against actual workloads.

Sources

Amazon EC2 T8i instances are now available in South America (São Paulo)