Aiden Tran

Posts

Amazon S3 Security: Encryption, Object Lock, Access Points, and What to Remember for the SAA Exam
Devops, AWS, SAA
Jun 16, 2026
AWS Security & Encryption: A Map of KMS, Secrets, ACM, WAF, Shield, GuardDuty and How to Pick the Right Service
Devops, AWS, SAA
Jun 15, 2026
AWS Storage Extras: Snow Family, FSx, Storage Gateway, Transfer Family & DataSync
Devops, AWS, SAA
Jun 15, 2026
AWS Cost Management: A Complete Map of Services to Track, Control, and Optimize Spend
Devops, AWS, SAA
Jun 14, 2026
AWS Disaster Recovery & Migration: Backup, DRS, DMS, MGN, DataSync & Snow Family
Devops, AWS, SAA
Jun 13, 2026
AWS IAM Advanced: Organizations, Identity Center & Policy Evaluation
Devops, AWS, SAA
Jun 13, 2026
AWS Monitoring & Auditing: CloudWatch, CloudTrail, Config
Devops, AWS, SAA
Jun 12, 2026
AWS Machine Learning: Picking the Right Service for the SAA Exam
Devops, AWS, SAA
Jun 12, 2026
Columnar Database: When Reading 3 Columns Beats Reading the Whole Table, and Why Parquet Dominates Analytics
Database, System Design, Backend, AWS
Jun 11, 2026
AWS Databases: Picking the Right One for the SAA Exam
Devops, AWS, SAA
Jun 10, 2026
Quorum: One Overlap Rule, Two AWS Use Cases
AWS, System Design
Jun 9, 2026
Amazon DynamoDB: The "Zero-Management" NoSQL Database for Millions of Requests Per Second
Devops, AWS, SAA
Jun 8, 2026
Sequential Read: From read() to the Disk, and Why Postgres Sometimes Picks Seq Scan Over Your Index
Database
Jun 8, 2026
PostgreSQL Index: Why Indexes Speed Up Queries, And When Postgres Ignores Them
Database
May 29, 2026
PostgreSQL Partitioning: When One Big Table Becomes Many Small Ones
Database
May 26, 2026
PostgreSQL Storage Internals: From Heap Files on Disk to Shared Buffers
Database
May 26, 2026
Elasticsearch: Deep Dive into the Distributed Architecture Behind a Search Engine Handling Petabytes of Data
Devops, System Design
May 25, 2026
AWS Network ACL: The Stateless "Fence" Protecting Your Subnet
Devops, AWS, SAA
May 23, 2026
NAT Instance vs NAT Gateway: Self-Managed or Let AWS Handle It?
Devops, AWS, SAA
May 23, 2026
AWS VPC: Understanding VPC Through the Lens of a Packet
Devops, AWS, SAA
May 22, 2026
Amazon Kinesis Data Streams & Data Firehose: From Real-Time Ingestion to Automated Delivery into S3, Redshift, OpenSearch
Devops, AWS, SAA
May 20, 2026
Amazon SQS Deep Dive: The Distributed Message Queue Handling Millions of Messages Daily
Devops, AWS, SAA
May 19, 2026
Apache Kafka: Deep Dive into the Event Streaming Platform That Handles Millions of Events per Second
Backend, System Design, Devops
May 18, 2026
Javascript Runtime: Browser vs Node.js — Same Language, Different Worlds
Javascript
May 14, 2026
AWS Global Accelerator — Your Private Highway on the AWS Backbone
Devops, AWS, SAA
May 13, 2026
CloudFront Geo Restriction — Block Traffic by Country at the Edge
Devops, AWS, SAA
May 13, 2026
S3 Presigned URL: Secure Upload and Download Without Proxying Through Backend
Devops, AWS, SAA
May 13, 2026
Erasure Coding: How Storage Systems Protect Data Without Tripling Copies
System Design, Storage, Distributed Systems
May 12, 2026
S3 Architecture Deep Dive
Devops, AWS, SAA
May 12, 2026
S3 Lifecycle Rules: Automate Storage Cost Optimization
Devops, AWS, SAA
May 9, 2026
S3 Storage Classes: Choosing the Right One for Your Data
Devops, AWS, SAA
May 9, 2026
Route 53: The "Free Load Balancer" You Already Have
Devops, AWS, DNS, SAA
May 8, 2026
Redis Sorted Set: Skip List + Hash Table — The Data Structure Duo Behind Redis O(log N)
Backend, Cache, Data Structures
May 6, 2026
Cache Stampede: When Thousands of Requests "Trample" the Database
Backend, System Design, Cache
May 5, 2026
Amazon Aurora: All the Features You Need to Know
Devops, AWS, SAA
May 4, 2026
Connection Pool: Why Opening a Database Connection Per Request Is Wasteful
Backend, Database, System Design
May 4, 2026
ALB Under The Hood: What Really Lies Beneath the "Smart Receptionist"?
Devops, AWS
May 3, 2026
RDS Read Replica vs Multi-AZ: Both Are "Copies", but Don't Mix Them Up!
Devops, AWS, SAA
May 3, 2026
How to Test Side Effect of Burst CPU on AWS Auto Scaling
Devops, AWS
May 3, 2026
Idempotency 101: Why "Clicking Twice" Doesn't Charge You Twice — Dissecting the Create Payment API
Backend, System Design, API
Apr 28, 2026
Rate Limiting Patterns: From Fixed Window to Token Bucket — Choosing the Right Weapon to Tame Request Floods
Backend, System Design, API
Apr 28, 2026
How DNS Works Under the Hood: The Internet Phone Book
Devops, Networking, DNS
Apr 25, 2026
Deploy Shopify App: "Shopify Doesn't Host Your App" — The Journey to Getting Your App Live
Shopify, Backend, Devops
Apr 8, 2026
Cache Handbook: From Monitoring to Scaling - Operating a "Million-Request" Cache System
Backend, System Design, Cache
Mar 30, 2026
Cache Handbook: 6 Classic "Traps" When Using Cache That Even Seniors Fall Into
Backend, System Design, Cache
Mar 29, 2026
Cache Handbook: When Cache and Database "Lie" to Each Other - Decoding the Cache Consistency Problem
Backend, System Design, Cache
Mar 28, 2026
Cache Handbook: "Faster, Cheaper, but Not Simpler" - Core Foundations of Caching
Backend, System Design, Cache
Mar 27, 2026
What is AWS ENI? Why is it a "Secret Weapon" for High Availability?
Devops, AWS, SAA
Jan 26, 2026
What is a Placement Group? Strategies for Optimizing Instance Placement
Devops, AWS, SAA
Jan 26, 2026
Table Bloat in PostgreSQL: Storage Optimization Strategies
Database
Jan 25, 2026
Solving the "Just Wrote It, Can't Read It" Problem: Read-Your-Writes Consistency & Session Sticky
Database
Jan 14, 2026
AWS EC2 Instance Purchasing Options: The Art of Negotiating Price
Devops, AWS, SAA
Jan 12, 2026
What is AWS EC2 and How to Choose the Right EC2 Instance Type
Devops, AWS, SAA
Jan 11, 2026
Getting Started with AWS: From Global Infrastructure to Security Thinking with IAM
Devops, AWS, SAA
Jan 10, 2026
AWS Security Group: The Dedicated "Gatekeeper" at the Instance Level
Devops, AWS, SAA
Jan 10, 2026
Conquering Azure Publisher Verification: From "Unverified" to the Blue "Verified" Badge
Devops, Azure
Jan 7, 2026
Simplify SSH Login with a Handy Config File
Tips
Jan 5, 2026
Load Balancer: Choose the "Smart" ALB or the "Lightning-Fast" NLB? Don't Let Your Infrastructure Budget Evaporate!
Devops, AWS, SAA
Jan 2, 2026
Automating Free Wildcard SSL with acme.sh and Namecheap DNS API
Devops
May 2, 2025
Configuring a Custom Domain from Cloudflare for a Vercel Project
Devops
Feb 13, 2025
Extracting a Specific Key from AWS Secrets Manager (For AWS App Runner)
Devops, AWS
Jan 12, 2025
Managing Environment Variables with AWS Secrets Manager for App Runner
Devops, AWS
Jan 12, 2025
Understanding CIDR: A Comprehensive Guide
Devops
Dec 3, 2024

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