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1882d ago · 12 min read · I designed this system after coming across a common product problem — how does Swiggy show you a promotional banner exactly twice a day without hammering their database 100 million times? Here's the f
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6d ago · 8 min read · Here's what that workflow looked like: Edit XML in a text editor Open a terminal Run a Docker build that takes 15–20 minutes Open a browser and manually navigate to the right chapter Realize one
Join discussionApr 21 · 2 min read · Redis Sentinel is like the unsung hero in the world of Redis deployments. It's all about keeping your Redis instances running smoothly with high availability. But when you throw NestJS and RedisX into the mix, things get even more interesting. Let's ...
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Apr 21 · 10 min read · Source: Methods to Prevent Duplicate Cron Execution Across Multiple Spring Boot Instances Modern cloud deployments scale application pods horizontally. A cron defined with Spring's @Scheduled suddenly runs N times — once per pod — unless you design...
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