Answer
Cloud LBs are costly, slow to provision, and overload API server.
Quick Answer
Each external LoadBalancer Service provisions a cloud load balancer (AWS ELB, GCP LB). Cloud providers charge per load balancer and have limits (typically 200-1000 per account). Large numbers of Services with external LBs can exhaust quotas, incur significant cost, and slow down Service creation as cloud provisioning takes minutes per LB.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ