Interview Q&A / AWS & Cloud
AWS & Cloud interview questions
EC2, S3, Lambda, IAM and VPC basics, with when to pick which service.
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- What is the difference between ElastiCache for Redis and ElastiCache for Memcached?
Memcached is a simple, multi-threaded key-value cache for plain caching. Redis supports richer data types, persistence, replication with failover, and features like pub/sub, so it suits caching plus sessions, leaderboards and queues.
BeginnerQuick answer1 min read