Cloud / AWS ElastiCashe
1. What is Amazon ElastiCache?
Amazon ElastiCache is a serverless, Redis- and Memcached-compatible caching service delivering real-time, cost-optimized performance for modern applications. ElastiCache scales to hundreds of millions of operations per second with microsecond response time, and offers enterprise-grade security an...
2. Explain the architecture of Amazon ElastiCache?
Amazon ElastiCache consists of two primary components: cache clusters and cache nodes . Cache clusters are groups of cache nodes working together, providing horizontal scaling and high availability. They can be partitioned into shards to distribute data across multiple nodes, improving performanc...
3. How does ElastiCache help in improving the performance of web applications?
ElastiCache improves web application performance by, Caching frequently accessed data , reducing latency by serving it directly from memory instead of querying databases. Offloading read-heavy workloads from databases, allowing them to focus on write operations. Supporting write-heavy workloads w...
4. Explain nodes, shards, and clusters of Amazon ElastiCache.
A node is the smallest building block of an Amazon ElastiCache deployment. It is a fixed-size chunk of secure, network-attached RAM. Each node runs the engine that was chosen when the cluster or replication group was created or last modified. Each node has its own Domain Name Service (DNS) name a...
