Answer
Use Redis or Memcached for shared sessions. Avoid file-based sessions. Keep session data minimal and avoid sticky sessions unless necessary.
Quick Answer
Scalable session design: store sessions in Redis or Memcached instead of local files (allows horizontal scaling). Use consistent hashing to distribute sessions across Redis nodes. Set appropriate TTLs. Consider sticky sessions at load balancer level as fallback. For API-first apps, replace sessions with JWT tokens entirely to achieve stateless horizontal scaling.
S
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