Most guides explain that RDS MySQL reserved instances are size-flexible. Few explain exactly what that means in practice, and almost none explain the part that actually changes how you should buy them: size flexibility also crosses deployment types. A Single-AZ reserved instance is not locked to Single-AZ instances. It can ... Read More

Japan is one of the most strategically important cloud markets in Asia Pacific. AWS has committed ¥2.26 trillion (approximately $15 billion) to Japanese infrastructure through 2027, and the ap-northeast-1 (Tokyo) region serves enterprise customers across manufacturing, financial services, automotive, retail, and government. The Digital Agency, established in September 2021, selected ... Read More

Every RDS MySQL read replica is a regular database instance. It runs, it consumes compute and storage, and it bills at the same hourly rate as any other instance of the same class. The fact that it is a replica — receiving asynchronous writes from a primary — does not ... Read More

If you are still running EC2 T2 instances, you are paying more than you need to. T3 costs approximately 10% less at every equivalent size, runs on the AWS Nitro hypervisor, delivers better network throughput, and has a larger CPU credit bank. The T2 generation is not discontinued — AWS ... Read More

Every RDS database running on-demand is paying a premium for flexibility that most production databases do not need. Reserved instances eliminate that premium by trading a scheduling commitment for a pricing discount. The exchange is simple: you agree to run a specific type of database for 1 or 3 years, ... Read More

Every RDS MySQL instance has Performance Insights enabled by default. Most engineers know it exists. Far fewer have looked at what they are actually paying for it — or realized that the product they have been using is being discontinued in June 2026. This guide covers the complete cost picture: ... Read More

The standby instance in a Multi-AZ RDS deployment runs every hour of every day. It receives synchronous writes from the primary, stays perfectly up to date, and waits. It does not answer a single query from your application. Your application never connects to it directly. It has one job: to ... Read More

Most teams buying an AWS Compute Savings Plan are thinking about EC2. They know it covers EC2. What they are less clear on is how it applies to Fargate and Lambda — and the partial coverage of both services is exactly where budget assumptions go wrong. The Compute Savings Plan ... Read More

Most people understand that a Compute Savings Plan saves money on cloud compute. Far fewer understand the precise mechanism — which matters, because getting the commitment amount wrong in either direction costs real money. Too high: you pay for committed hours you do not use. Too low: you miss savings ... Read More

Wondering what login authentication is? This clear guide explains how verifying your identity at sign-in keeps your data safe and access secure ... Read More