Blog
Strands Agents SDK Multi-Agent — Nest Swarm and Graph Together
Embed a Swarm as a node in a Graph to combine autonomous collaboration with structured workflows. Verify nested execution results and multi-agent Hooks for node monitoring.
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Blog
Strands Agents SDK Multi-Agent — Structure Workflows with Graph
Build deterministic workflows with Strands Agents SDK's Graph pattern. Define sequential, parallel, conditional, and feedback loop workflows with GraphBuilder, verified with real execution results.
Blog
Strands Agents SDK Multi-Agent — Autonomous Agent Collaboration with Swarm
Run Strands Agents SDK's Swarm pattern hands-on and verify how agents autonomously hand off tasks to each other. Compare with the Agents as Tools pattern from the intro series.
Blog
Testing AWS Agent Registry's Approval Workflow, Search Accuracy, and MCP Endpoint
Verified Agent Registry end-to-end: registry creation, record registration, approval workflow, and hybrid search via CLI. Measured semantic search accuracy, Japanese vs English query differences, and MCP endpoint consistency.
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Aurora Blue/Green in Practice — How RDS Proxy Changes Switchover Downtime
Measured Blue/Green Switchover downtime through RDS Proxy with psql. Compared against direct connection (26s) and JDBC BG plugin (0s) to quantify RDS Proxy's effect and constraints.
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Measuring EKS Warm Pool Scale-Out Times Across poolState and reuseOnScaleIn Configurations
Hands-on verification of EKS managed node group warm pools. Measured Running 28s, Stopped 48s, and cold start 62s for scale-out, plus a 16-minute drain wait for reuseOnScaleIn. Provides a decision framework for poolState selection.
Blog
Measuring S3 Files Sync Latency and Read Performance on a Real NFS Mount
Verify S3 Files from file system creation to mount, bidirectional sync delay measurement, and read performance. Includes comparison with EFS, Mountpoint for S3, and FSx for Lustre, plus measured data for selection decisions.
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Testing Route 53 Global Resolver's DNS Filtering and DoH Authentication from Outside a VPC
End-to-end CLI verification of Route 53 Global Resolver covering Do53/DoH authentication, DNS filtering, and propagation timing. Provides data to evaluate whether the 20x cost premium over VPC Resolver is justified.
Blog
Measuring Lambda Managed Instances Provisioning Time, Multi-Concurrency, and CPU-Based Scaling
Deployed AWS Lambda Managed Instances and measured 67s provisioning, auto-distribution across 10 execution environments with multi-concurrency, and throttling under CPU load. Includes an LMI migration checklist.
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Testing VPC Encryption Controls Monitor and Enforce Modes with Real Traffic Patterns
Hands-on verification of VPC Encryption Controls Monitor/Enforce modes. Reveals that encryption-status 2 only applies to PrivateLink, Enforce migration takes 15+ minutes asynchronously, and VPC endpoint ENI migration can silently block the transition.