Answer
Affinity co-locates Pods; anti-affinity spreads them for HA.
Quick Answer
Pod Affinity schedules a Pod near other Pods with specific labels — useful when two services communicate heavily and benefit from co-location. Pod Anti-Affinity spreads Pods away from each other — put replicas on different nodes so a single node failure doesn't take down all replicas. Both use topology keys (node, zone, region) to define "near" and "far."
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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