16 min
How to Design MongoDB for Scalable, Cost-Efficient Workloads on AWS
Atlas vs EC2 vs DocumentDB on AWS: TCO flips with DBA time, not $/vCPU. July 2026: index/cache pressure, hot shards, DocumentDB API-compat caveat.
AWS Cloud Architect & AI Expert
Palaniappan P
- Published articles
- 353
- AWS certifications
- 3
Articles (353) — Page 26
11 min
How to Design Multi-Region AWS Architectures Without Doubling Costs
Multi-region AWS architectures can easily cost 2 to 3× a single-region equivalent when data replication, cross-region transfer, and duplicated managed services are not accounted for. This post covers how to architect for resilience without proportional cost growth.
13 min
How to Choose Between Nginx, FrankenPHP, and Modern Web Runtimes (2026)
Pick runtimes by ECS density and team skills, not synthetic RPS. July 2026: FrankenPHP worker vs PHP-FPM, Node, Go memory bands + density matrix.
20 min
How to Use Redis and Valkey as a Cost-Saving Layer (Not Just Cache)
Valkey on ElastiCache: about 20% node / 33% serverless cheaper than Redis OSS engines. July 2026: sessions, rate limits, locks, migration checklist.
15 min
How to Build Reliable Queue Systems on AWS (SQS, Kafka, Redis)
SQS, MSK Kafka, and Redis queues are not interchangeable. Each has different cost models, ordering guarantees, and failure modes. This guide covers when to use each, how to autoscale workers on queue depth, and how to build idempotent consumers.
14 min
How to Tune PHP, Node.js, Python, and Go for High Concurrency on AWS
ECS concurrency: PHP-FPM vs Octane, Node event-loop lag, Gunicorn/asyncio, Go goroutines. July 2026 matrix + ulimit checklist.
9 min
AWS Application Modernization: When to Refactor, Replatform, or Rearchitect
Refactor, replatform, or rearchitect: pick the path that matches value and risk. July 2026 refresh: 6R framing, AWS Transform for mainframe, when strangler fig fails.
5 min
How to Use the AWS Migration Acceleration Program (MAP) to Cut Migration Costs
MAP still offsets dual-run migration cost if you qualify and tag correctly. July 2026 SMB guide: Assess→Mobilize→Migrate, MAP 2.0 tagging, partner-confirmed ARR tiers (credits are not self-serve).
11 min
How to Choose the Right AWS Migration Strategy for Your Business
The difference between a successful AWS migration and a costly failure often comes down to strategy. A practical guide to choosing the right migration approach, building your roadmap, and avoiding the pitfalls that derail most projects.
11 min
Hire an AWS Consultant: What to Look For and How to Evaluate Them
How to evaluate AWS consultants vs Partners: certs, red flags, SOW questions. July 2026 scorecard for freelancer vs agency vs Partner.
8 min
Do You Need an AWS Managed Services Provider? 10 Signs It's Time
Not every company needs an AWS MSP, but many are past the point in 2026. These are ten signs it is time, updated for Business Support+ vs MSP and GenAI ops gaps.
7 min
What Does an AWS Managed Services Partner Actually Do? (And What They Don't)
Most AWS MSP pitches are still vague in 2026. This covers the concrete day-to-day scope (CloudWatch Application Signals, FinOps, patching, incident response) and what stays out of a standard SOW, including GenAI/AgentCore unless named.
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