Answer
They distribute Pods across zones/nodes/racks to avoid localized failures.
Quick Answer
Topology spread constraints distribute Pods evenly across zones, nodes, or regions. Instead of all replicas landing on one zone (risky if that zone fails), you declare maxSkew: 1 across topology zones — Kubernetes ensures replicas spread as evenly as possible. Combines with Pod anti-affinity but is more flexible and declarative.
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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