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What is autoscaling in microservices?

Mid Microservices
Quick Answer Autoscaling automatically adjusts service instances based on demand. Kubernetes HPA (Horizontal Pod Autoscaler) scales pods based on CPU, memory, or custom metrics (queue depth, requests per second). KEDA extends this to event-driven scaling (scale to zero, scale based on Kafka lag). VPA adjusts resource requests. Cluster Autoscaler adds/removes nodes as needed.

Answer

Automatically increases or decreases service instances based on metrics.
Tools: Kubernetes HPA.
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