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Strands Agents SDK Deploy — Serverless Deployment to AWS Lambda
Deploy a Strands Agents SDK agent to AWS Lambda using the official Lambda Layer. Measured cold start Init Duration at ~1 second and warm start at under 1 second.
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Tag: #serverless
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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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Deploy, test, and operations insights for the Lambda Durable Functions fraud detection demo
SAM deployment gotchas, local testing with LocalDurableTestRunner, and execution history tracking from hands-on experience. The qualified ARN requirement is the first hurdle.
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6 best practices for Lambda Durable Functions verified with a fraud detection demo
Verified idempotency, DurableExecutionName, parallel callbacks, and timeout configuration hands-on. The common principle: design everything assuming replay will happen.
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Running a fraud detection workflow with Lambda Durable Functions
Deployed the official AWS fraud detection demo and verified 3 risk-score branches with suspend behavior. Confirmed zero compute charges during checkpoint-and-replay waits.
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Aurora PostgreSQL now starts in seconds without a VPC — hands-on with Express Configuration
Hands-on verification of Aurora PostgreSQL Express Configuration. VPC-free setup in ~30 seconds, TLS 1.3 via Internet Access Gateway, and default IAM auth — with real measurements and edge cases.
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Lambda Rust — Zero Cold Starts with Managed Instances Multi-Concurrency
Verified Lambda Managed Instances Rust support. run_concurrent enables 8 parallel requests with 2.9ms init — effectively eliminating cold starts. Compared with standard Lambda.
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Lambda Rust — Benchmarking Official Support Cold Start and Execution Speed vs Python
Verified Lambda's GA Rust support with cargo-lambda. Cold start at 29ms, warm execution at 1.2ms — 90x faster than Python with 2.6x better memory efficiency.
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4 Things I Learned from Hands-On Testing Lambda Durable Functions
Verified Step, Wait, Callback, and Parallel patterns via AWS CLI. Sharing checkpoint-replay behavior, gotchas, and when to choose Durable Functions over Step Functions.
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ElastiCache Serverless connections survive 10 minutes of idle
Official docs don't disclose the idle timeout for Serverless. Empirically confirmed that connections survive at least 10 minutes of idle with no timeout recurrence.
1 min read
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ElastiCache Serverless initial latency is documented by AWS
The official troubleshooting guide explicitly states that the first request has higher latency. Found in the 'Reuse connections' section.
1 min read