Choosing between an Application Load Balancer and API Gateway is not a feature comparison. It is a choice of hard limits, a billing curve and an authentication story. Here is how each one bills you, which constraints surface months later, what ALB's native JWT validation changes, and a decision procedure you can run in ten minutes.
A backfill that exits zero can still be missing a week of data, and nothing will tell you. This is a practical guide to the failure families behind silent gaps: pagination drift under a mutating source, retries that duplicate pages, prefix layouts designed for writes instead of reads, the seam where backfill meets live ingest, and the storage class rules that make mistakes expensive. Includes deterministic key derivation, S3 conditional writes, Athena partition projection, and a per-window manifest pattern that turns completeness into something you can query.
Before I quote AWS work, I run a read-only account health check: six passes covering identity, logging, region sprawl, infrastructure code, cost shape and support escalation. Here are the commands, the pass tests, and the findings that change the number.
Connecting Salesforce to Amazon Bedrock Knowledge Bases takes an afternoon. Making sure the assistant does not read people records they were never allowed to see takes longer. A practical walkthrough of the connector, the permission model it quietly drops, and the two architectures that actually hold up.
Adding another account to a bucket policy takes one line and delegates far more than most people realize. A practical look at AWS cross-account data sharing: the delegation model, the KMS gaps, object ownership, references versus copies, and the guardrails that catch the mistake you will eventually make.
A Glue job that stops running emits no metrics, so the dashboard stays green and the alert quietly resolves itself. Here is why Grafana monitoring for AWS data pipelines misses that failure, and the heartbeat, metric math and no-data configuration that closes the gap, along with the CloudWatch query costs and IAM boundaries nobody warns you about.
Choosing between Lightsail, EC2 and ECS for a small client workload is not a performance question. It is a question about which constraints you are accepting and how expensive they are to reverse. Profiles of all three with where each wins and loses, the cost levers that actually move the bill, a six-step decision procedure, and the arguments that fall apart on contact with a real project.
Encryption is the part everyone gets right. The PHI sitting in your logs, dead letter queues and object key names is the part that fails an audit. A boundary-by-boundary guide to building a medical lab data pipeline on AWS that survives review.
Textract rarely fails loudly. It returns a plausible result that is quietly incomplete: a truncated result set, a tick box read as an empty string, a clause split across a page break. A practitioner's guide to the failure modes that actually bite when you point Amazon Textract at contracts, technical reports and correspondence, plus how to choose between sync and async, which feature types are worth paying for, and where Textract stops being the right tool.
Claims pipelines rarely crash. They succeed, emit clean JSON, and hand a wrong number to a payment system. Six failure families in an insurance claims processing pipeline on AWS, with the Textract, Bedrock Data Automation and Step Functions details that decide whether a bad extraction is visible or silent.