AWS | Page 3 of 7 | John Nessime

Choosing an AWS Region for a MENA Client: Latency Is the Last Question

Post category:Cloud Computing Compliance

Latency is the constraint everyone reaches for first when choosing an AWS region for MENA clients, and it is almost always the one that matters least. Residency law eliminates candidates, service availability eliminates more, and latency only picks between whatever survives. A practical walkthrough of that filter, with the commands to check service availability and region opt-in status programmatically, the guardrail that keeps the decision true, and the things that break in the first few weeks after you commit.

Legal Document Intelligence on AWS: The Five Boundaries That Have to Hold

Post category:Case Studies Cloud Computing Web Security

A confident answer with a citation from a matter the reader was walled off from. Nothing crashed, nothing alerted. Building legal document intelligence on AWS with Textract, Bedrock and OpenSearch is the easy half; the hard half is tenant isolation, verified deletion, S3 Object Lock holds, what leaves the account, and an audit trail that names the actual user.

ALB vs API Gateway: Pick the Limits You Can Live With

Post category:Cloud Computing DevOps Networking

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.

Backfilling Historical API Data into S3 Without Silent Gaps

Post category:Cloud Computing DevOps Technical Guides

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.

The AWS Account Health Check I Run Before Quoting a Project

Post category:Cloud Computing Cloud Security FinOps

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.

Build a CRM Knowledge Assistant on Amazon Bedrock Without Leaking Salesforce Records

Post category:Cloud Computing DevOps Technical Guides

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.

AWS Cross-Account Data Sharing Done Safely: Share Access, Not Copies

Post category:Cloud Computing Cloud Security Data Engineering

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.

Grafana Monitoring for AWS Data Pipelines: The Green Dashboard Problem

Post category:Cloud Computing DevOps Technical Guides

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.

Lightsail vs EC2 vs ECS: What I Actually Pick for Small Client Workloads

Post category:Cloud Computing DevOps Hosting & Infrastructure

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.

Where PHI Escapes: Building a Secure Medical Lab Data Pipeline on AWS

Post category:Cloud Computing Cloud Security Compliance Data Engineering

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.