Architecture & DesignIntermediate
Load Balancer
PronunciationLOHD BAL-un-ser
Definition
A component that spreads incoming requests across several servers so no single server is overloaded.
Where you hear it
Cloud setups and high-availability designs.
Examples
The load balancer sends traffic only to healthy servers.
We have two servers behind a load balancer.
Common mistake
Keeping user sessions in server memory. The next request may reach a different server and the session is gone.
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