What are some effective caching strategies for a Node.js application?
There are several effective caching strategies for Node.js applications, including in-memory caching, file caching, and using external caching systems like Redis or Memcached. Each has its own use cases and benefits.
Can you explain in-memory caching and its advantages?
In-memory caching stores data in the server's RAM, allowing for extremely fast access. It's great for frequently accessed data and reduces database load.
What about using Redis for caching?
Redis is an in-memory data structure store that can be used as a caching layer. It supports various data types and provides persistence options, making it suitable for distributed applications.
Are there any downsides to caching?
Yes, caching can introduce complexity, and stale data can be an issue if not managed properly. It's important to implement cache invalidation strategies.
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