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Design · Practice · Interview

Туториалы

Карточки

Глоссарий

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Cache-Aside Pattern

mid10 мин

The application receives a read request. The first step is to check the cache (Redis).

Почему так?

A cache is 10-100x faster than a database. Checking the cache is the first step for any read request.

Прогресс1 / 4

ClientBrowser

App ServerNode.js

Node.js

RedisCache

Redis

PostgreSQLPrimary DB

PostgreSQL

Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.

Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.

Check the cache first