Feb 10 · 13 min read · Introduction It’s midnight. Your application database in the us-east-1 region just failed. You have a standby in the us-west-2 region, but your DNS points to the failed region. What happens next: Manual DNS update approach: Wake up, realize database...
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Nov 10, 2025 · 16 min read · In a high availability MySQL HeatWave DB system, automatic failover is a critical mechanism that ensures business continuity when the primary instance becomes unavailable. Understanding how to identify when a failover has occurred and how to properly...
Join discussionNov 6, 2025 · 5 min read · In today's digital landscape, uptime is non-negotiable. A sudden outage can lead to lost revenue, frustrated customers, and damage to your brand reputation. This is where AWS Route 53 DNS Failover becomes your critical defense mechanism, ensuring yo...
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Oct 1, 2025 · 3 min read · High availability is a must for modern applications. But what happens if your primary EC2 instance fails? Do you want to manually update your Application Load Balancer (ALB) target groups every time? That’s where automation with AWS Lambda comes in. ...
Join discussionSep 19, 2025 · 17 min read · The resilience of distributed systems is not merely a desirable feature; it is a non-negotiable prerequisite for modern infrastructure. As architects and senior engineers, we often grapple with the elusive goal of "five nines" availability, a pursuit...
Join discussionMar 31, 2025 · 8 min read · So, you’ve unlocked the power of Redis as a cache, database, and message queue (if not, check out my previous article! 👉 Unlocking the Power of Redis). But what happens when a single Redis instance isn’t enough? Maybe your application is growing, or...
Join discussionMar 23, 2025 · 4 min read · Many people think SD-WAN is just a fancy failover solution—a way to switch from one internet link to another when something breaks. But that’s like saying a car is just a spare tyre. Sure, it’s nice to have when things go wrong, but the real value is...
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Feb 22, 2025 · 3 min read · You know the type. The IT guy who thinks he's the second coming of Steve Jobs, wearing his "Keep It Simple" mantra like a badge of honour. "Why complicate things? Just one last-mile link is fine!" he says. Ja, right. 🤦♂️ Now, picture this: A lekker...
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Jan 27, 2025 · 4 min read · If you've ever attended a networking demo or SD-WAN showcase, you’ve probably seen the classic "failover test." The presenter confidently pulls an Ethernet cable out of a router, exclaiming, "Watch this—our solution instantly switches to the backup p...
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