1d ago · 4 min read · Why "Hot" Matters Three multi-region strategies: Cold: Backup region is off. You start it when primary fails. RTO: hours. Warm: Backup region runs on minimum capacity. Scale up on failover. RTO: 15-30 minutes. Hot: Both regions serve live traffic sim...
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1d ago · 4 min read · Why "Hot" Matters Three multi-region strategies: Cold: Backup region is off. You start it when primary fails. RTO: hours. Warm: Backup region runs on minimum capacity. Scale up on failover. RTO: 15-30 minutes. Hot: Both regions serve live traffic sim...
Join discussionFeb 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...
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