Deploying Node.js

Caching strategies

Caching, generally, is the strategy of creating easily accessible intermediate versions of assets. When retrieving an asset is expensive—in terms of time, processor cycles, memory, and so on—you should consider caching that asset. For example, if a list of Canadian provinces must be fetched from your database each time a person from that country visits, it is a good idea to store that list in a static format, obviating the expensive operation of running a database query on each visit. A good caching strategy is essential to any web-based application that serves large numbers of rendered data views, be they HTML pages or JSON structures. Cached content can be served cheaply and quickly.

Whenever you deploy content that doesn't ...