Fernando Azevedo - DEV Community

Fernando Azevedo

Oct 27

Your agent crashed after the write. Should you retry?

#aiagents #idempotency #crashrecovery #mcp

9 min read

Fernando Azevedo

Oct 27

Migrating agents from GPT-5.6 Terra to GPT-6.1 Terra on Bedrock

#aiagents #amazonbedrock #openai #llmmigration

10 min read

Fernando Azevedo

Oct 23

Amazon Quick on a private network: PrivateLink's two planes and where they leak

#awscloud #amazonquick #privatelink #vpcendpoints

9 min read

Fernando Azevedo

Oct 21

After login: per-operation authorization, revocation and recovery for agent tools

#securityresilience #aws #iam #agenticai

1

6 min read

Fernando Azevedo

Oct 20

Retro: EMR Serverless on IPv6-only and the subnet left without DNS64

#awscloud #emrserverless #ipv6 #vpc

9 min read

Fernando Azevedo

Oct 16

CloudFront dual-stack VPC origins: IPv6 to private origins, with caveats

#awscloud #cloudfront #vpcorigins #ipv6

8 min read

Fernando Azevedo

Oct 13

Well-Architected Agent: architecture review becomes a weekly process

#awscloud #wellarchitected #aiagents #finops

8 min read

Fernando Azevedo

Oct 10

Sharing a GPU cluster on HyperPod: three designs and when each one pays off

#aiagents #sagemakerhyperpod #eks #gpu

8 min read

Fernando Azevedo

Oct 8

Critical or non-critical: the failure contract of ECS daemons

#awscloud #ecs #managedinstances #containers

9 min read

Fernando Azevedo

Oct 8

AMIs with a contract: anatomy of EC2's new instance-type block

#awscloud #ec2 #ami #goldenimage

10 min read

Fernando Azevedo

Oct 8

3LO in Bedrock Managed KB: 5-minute setup, 1 irreversible decision

#aiagents #bedrock #rag #iam

11 min read

Fernando Azevedo

Oct 8

RAG on ServiceNow: the connector that erases user criteria

#aiagents #bedrock #rag #servicenow

11 min read

Fernando Azevedo

Oct 8

ECS Early Success Criteria: where your deployment rollback ends

#awscloud #ecs #deployments #cicd

10 min read

Fernando Azevedo

Oct 8

Fable 5.1 on Bedrock: data retention is now an architecture decision

#aiagents #bedrock #anthropic #governance

11 min read

Fernando Azevedo

Oct 8

GPT-6 Astra on Bedrock: the endpoint decides what you audit

#aiagents #amazonbedrock #openai #gpt6astra

10 min read

Fernando Azevedo

Oct 8

Workload-type capacity in Amazon Connect: what actually changes

#dataplatforms #amazonconnect #routing #capacityplanning

10 min read

Fernando Azevedo

Oct 8

Lambda recursive loops: four guardrails compared in the Sovereign Cloud

#awscloud #awslambda #europeansovereigncloud #eventdriven

10 min read

Fernando Azevedo

Oct 8

MediaLive without timecode: what Video Aligned Locking changes in redundancy

#dataplatforms #medialive #livestreaming #pipelinelocking

9 min read

Fernando Azevedo

Oct 8

LLM cold starts on HyperPod: from 27 minutes to seconds with model caching

#aiagents #sagemakerhyperpod #llminference #coldstart

9 min read

Fernando Azevedo

Oct 8

Training and inference on one GPU fleet: four ways to share 10,000 accelerators

#aiagents #kubernetes #eks #gpu

10 min read

Fernando Azevedo

Oct 8

Beanstalk Cluster Mode: the postmortem I wrote before the incident

#awscloud #elasticbeanstalk #eks #multitenancy

9 min read

Fernando Azevedo

Oct 8

Four engineering patterns that separate multi-agent from prompt chains

#aiagents #mcp #eventdriven #bedrock

11 min read

Fernando Azevedo

Oct 8

Notebook off the cluster: migrating to Spark Connect on EMR on EKS

#awscloud #emroneks #sparkconnect #kubernetes

10 min read

Fernando Azevedo

Oct 8

Multi-Region training on HyperPod: how Qumulo's cache hides 60 ms

#aiagents #sagemakerhyperpod #multiregion #treinamentodistribuido

8 min read

Fernando Azevedo

Oct 8

Security Hub remediation plans: root-cause remediation, dissected

#securityresilience #securityhub #exposuremanagement #remediation

8 min read

Fernando Azevedo

Oct 8

AI Builder in Practice: What It Is, What Changes, and How I Apply It

#aiagents #iabuilder #aidlc #kiro

13 min read

Fernando Azevedo

Oct 8

Private CA logs every issuance: a field guide to IssueCertificateDetails

#awscloud #awsprivateca #cloudtrail #pki

10 min read

Fernando Azevedo

Sep 2

SnapStart on containers: the bake-off against provisioned concurrency

#awscloud #awslambda #snapstart #serverless

10 min read

Fernando Azevedo

Sep 2

Apps in Amazon Quick vs. App Studio vs. a custom build

#awscloud #amazonquick #awsappstudio #lowcode

11 min read

Fernando Azevedo

Sep 1

Amazon Connect compact mode: operational density with caution

#dataplatforms #amazonconnect #contactcenter #observability

8 min read

Fernando Azevedo

Sep 1

MWAA with Airflow 3.3.1: state, language, and operational discipline

#awscloud #aws #mwaa #airflow33

11 min read

Fernando Azevedo

Sep 1

DocumentDB 8.0: direct MVU reduces risk, not migration work

#awscloud #aws #documentdb #mongodb

10 min read

Fernando Azevedo

Sep 1

PRM by User Agent: better attribution, governance still required

#aiagents #aws #partnerrevenuemeasurement #cloudtrail

9 min read

Fernando Azevedo

Sep 1

MediaTailor Analytics: console, BI, or lakehouse?

#dataplatforms #aws #mediatailor #cloudwatch

10 min read

Fernando Azevedo

Sep 1

ADR: bringing governed agents into Amazon Quick

#aiagents #aws #agentregistry #amazonquick

8 min read

Fernando Azevedo

Sep 1

Private Redshift SSO with EVR: a pattern teardown

#dataplatforms #redshift #iamidentitycenter #privatelink

8 min read

Fernando Azevedo

Sep 1

Migrating Time Series to Timestream for InfluxDB

#solutionarchitecture #aws #timestream #influxdb

10 min read

Fernando Azevedo

Sep 1

Active-active Amazon Connect: the resilience lesson

#securityresilience #amazonconnect #resilience #dr

8 min read

Fernando Azevedo

Sep 1

Redshift and Iceberg v3: field notes for mutable lakes

#dataplatforms #redshift #iceberg #datalake

9 min read

Fernando Azevedo

Sep 1

Claude Fable 5.1 on AWS: the model that demands an immutable history

#aiagents #amazonbedrock #claude #agentes

13 min read

Fernando Azevedo

Sep 1

InvokeGuardrailChecks vs Classic Guardrails: Which to Use in AI Agents?

#aiagents #bedrock #guardrails #agenticai

10 min read

Fernando Azevedo

Sep 1

Amazon Bedrock AgentCore: Continuous Agent Optimization in Production

#aiagents #bedrock #agentcore #agenticai

11 min read

Fernando Azevedo

Sep 1

Secure Multi-Tenant RAG: ADR for Two-Layer Authorization

#aiagents #rag #multitenant #amazonbedrock

11 min read

Fernando Azevedo

Sep 1

Managed Syslog Ingestion in CloudWatch: Anatomy of a Pattern

#awscloud #cloudwatch #syslog #observability

11 min read

Fernando Azevedo

Sep 1

Amazon Bedrock AgentCore Harness: From Idea to Production-Grade Agent

#aiagents #bedrock #agentcore #agenticai

10 min read

Fernando Azevedo

Sep 1

AMI Watermarks: Image Governance at Financial-Grade Scale

#securityresilience #ami #ec2 #governance

10 min read

Fernando Azevedo

Sep 1

C7a in Singapore: A Migration Incident Retro for Financial-Grade Systems

#solutionarchitecture #ec2 #c7a #amdepyc

12 min read

Fernando Azevedo

Sep 1

Graviton4 R8g: Global Expansion and What Changes for Memory-Intensive Architectures

#awscloud #graviton4 #ec2r8g #memoryoptimized

10 min read

Fernando Azevedo

Sep 1

EC2 R8g in New Regions: Migration Field Guide for Financial Workloads

#awscloud #ec2 #graviton4 #r8g

12 min read

Fernando Azevedo

Sep 1

EC2 R8g and Graviton4: A Technical Deep Dive for Memory-Intensive Workloads

#awscloud #ec2 #graviton4 #r8g

10 min read

Fernando Azevedo

Sep 1

The IDE Became the Exception: How I Shifted to Building Loops Instead of Code

#aiagents #loopengineering #awsbedrock #eventbridge

7 min read

Fernando Azevedo

Sep 1

AWS WAF on AgentCore Gateway: Production Security for Agentic AI

#aiagents #awswaf #bedrockagentcore #agenticai

12 min read

Fernando Azevedo

Sep 1

CloudWatch Logs Tag Enrichment vs. Alternative Approaches

#dataplatforms #cloudwatch #observability #logenrichment

11 min read

Fernando Azevedo

Sep 1

ADR: Scaling Agents to Production with AgentCore Runtime Quotas

#aiagents #bedrockagentcore #agenticai #quotamanagement

11 min read

Fernando Azevedo

Sep 1

IaC for AI Platforms: Terraform and SageMaker Unified Studio

#aiagents #terraform #sagemaker #iac

9 min read

Fernando Azevedo

Sep 1

SageMaker Unified Studio via Terraform: Migrating to IaC in Financial-Grade Environments

#aiagents #sagemaker #terraform #iac

13 min read

Fernando Azevedo

Sep 1

SageMaker Unified Studio + Terraform: IaC for AI Platforms Incident Retro

#aiagents #sagemaker #terraform #iac

11 min read

Fernando Azevedo

Sep 1

SageMaker Unified Studio + Terraform: IaC for Financial-Grade AI Platforms

#aiagents #sagemaker #terraform #iac

11 min read

Fernando Azevedo

Sep 1

DPD on HyperPod: Disaggregated Prefill and Decode in Production

#aiagents #sagemakerhyperpod #llminference #disaggregatedinference

13 min read

Fernando Azevedo

Sep 1

GameLift Streams Admin Shell: Secure Live-Session Access Without SSH

#dataplatforms #gameliftstreams #ssmsessionmanager #zerotrust

10 min read

Two Year Club

Writing Debut

One Year Club