- Lambda Runtime.ImportModuleError and 'Unable to import module': fix packaging, handlers and layersAWS · 12 Nov 2026
- Kinesis Data Streams consumers falling behind: iterator age, ReadProvisionedThroughputExceeded and Lambda event source mapping tuningAWS · 9 Nov 2026
- Lambda with SQS: one bad message retries the whole batch - fix it with ReportBatchItemFailuresAWS · 6 Nov 2026
- S3 event notifications not triggering Lambda, SQS or SNS: filters, destination policies, KMS and EventBridgeAWS · 3 Nov 2026
- Lambda in a VPC can't reach the internet or AWS services: subnets, NAT, endpoints and security groupsAWS · 30 Oct 2026
- EventBridge rule not triggering its target: patterns, permissions and FailedInvocationsAWS · 29 Oct 2026
- SQS FIFO in depth: message groups, deduplication, high-throughput mode and ordering without bottlenecksAWS · 29 Oct 2026
- Step Functions error handling done right: Retry, Catch, idempotency and Distributed Map at scaleAWS · 29 Oct 2026
- Lambda runtime deprecations in late 2026 - python3.10, dotnet8, provided.al2 and nodejs20.x: find affected functions and upgradeAWS · 27 Oct 2026
- RDS Proxy in front of RDS and Aurora: setup, target health and connection pinningAWS · 27 Oct 2026
- API Gateway returning 403, 429, 502 or 504 - finding the cause with access logs and execution logsAWS · 26 Oct 2026
- Secrets Manager rotation failed: Lambda, network, permissions and stuck AWSPENDINGAWS · 26 Oct 2026
- Optimization: cutting CloudWatch Logs cost with retention, log classes and smarter shippingAWS · 25 Oct 2026
- Optimization: Lambda performance and cost - memory power tuning, arm64, SnapStart and provisioned concurrencyAWS · 25 Oct 2026
- CloudWatch Logs Insights cheat sheet: queries for errors, Lambda, VPC Flow Logs and CloudTrailAWS · 24 Oct 2026
- Sev1: every Lambda function throttling — account concurrency exhausted by one runaway functionAWS · 24 Oct 2026
- Sev1: SQS backlog growing and dead-letter queue filling — find the poison, drain safely, redriveAWS · 24 Oct 2026
- Transformation: replace cron on EC2 with EventBridge Scheduler, Lambda and Step FunctionsAWS · 24 Oct 2026
- AWS Lambda timeouts and throttling: diagnosis and fixesAWS · 22 Oct 2026
- Serverless API baseline: API Gateway + Lambda + DynamoDB ready for productionAWS · 22 Oct 2026