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7 Load Balancer Misconfigurations That Cause Production Outages

Your application can be healthy, your servers can be running, and your database can be responding. One incorrect load balancer setting can still take the entire service offline.

TechByRahmat

12 min read13 hours ago

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A load balancer looks simple from the outside. It receives incoming traffic and distributes requests across multiple servers. If one server becomes unavailable, it sends traffic to another. If traffic increases, it spreads the load across available instances.

That sounds straightforward until something goes wrong in production.

A load balancer sits between users and application infrastructure. It influences which servers receive requests, how long connections remain open, when unhealthy instances are removed, and how traffic behaves during deployments or failures.…