Data Streaming on AWS: Kinesis, Firehose, Flink, or MSK?
What each one is and when to use it: Kinesis Data Streams, Amazon Data Firehose, Managed Service for Apache Flink, and Amazon MSK.
Jul 18, 202612 min read
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Multi-cloud makes you less resilient, not more (and you can prove it with math)
Multi-cloud promises more resilience and delivers the opposite: more failure surface. Let's open up the availability math, see why the "if one goes down the other holds" intuition fools you, and go through the few cases where multi-cloud actually earns its keep.
Jul 16, 202622 min read
Multi-cloud te deixa menos resiliente, não mais (e dá para provar na conta)
Multi-cloud promete mais resiliência e entrega o contrário: mais superfície de falha. Bora abrir a conta de disponibilidade, ver por que a intuição do "se uma cair a outra segura" engana, e quais são os poucos casos em que multi-cloud vale de verdade.
Jul 16, 202622 min read
Data Streaming na AWS: Kinesis, Firehose, Flink ou MSK?
O que é e quando usar cada um: Kinesis Data Streams, Amazon Data Firehose, Managed Service for Apache Flink e Amazon MSK.
Jun 26, 202612 min read
AWS Lambda MicroVMs: run untrusted code with VM-level isolation (no infra to manage)
AWS just shipped Lambda MicroVMs, a new serverless primitive that gives each user or session a VM-level isolated sandbox, with near-instant launch and state preserved for up to 8 hours, all on Firecracker. Here is what it is, when to reach for it instead of a plain Lambda Function, and how to architect on top of it.
Jun 24, 202612 min read
AWS Lambda MicroVMs: rode código não confiável com isolamento de VM (sem gerenciar infra)
A AWS lançou o Lambda MicroVMs, um novo primitivo serverless que entrega a cada usuário ou sessão um sandbox isolado a nível de VM, com launch quase instantâneo e estado preservado por até 8 horas, tudo em cima do Firecracker. Aqui vai o que é, quando usar no lugar de uma Lambda Function comum, e como arquitetar em cima dele.
Jun 24, 202612 min read
High Availability Has a Price: Resilience Is a Decision, Not a Stack
The cost of high availability: resilience starts with strategic decisions, not technology.
Jun 20, 202612 min read
AWS MCP Server: which one to use, when, and how to set it up (now that AWS recommends just one)
Knowledge MCP vs the managed AWS MCP Server, IAM, and the setup in Claude Code, the Claude app, and Kiro without pasting a key into .env
Jun 20, 202621 min read
AWS MCP Server: qual usar, quando e como configurar (agora que a AWS recomenda um só)
Knowledge MCP x AWS MCP gerenciado, IAM e o passo a passo pra conectar no Kiro e no Claude Code sem colar access key no `.env`.
Jun 20, 202622 min read