January 2018
Intermediate to advanced
366 pages
9h 7m
English
Content preview from Microservice Patterns and Best Practices
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Caching at the client level
A caching strategy is one of the most important items for discussion when it comes to web applications; with microservices it is no different.
When we speak of cache at the client level, it means that the request only passes to be processed on the backend, if really necessary. In other words, it tries to block direct access to the backend to requests that have already been implemented in the recent past.
A very useful tool for this strategy is the Varnish Cache, defined as: the Varnish Cache accelerator is a web application also known as reverse HTTP proxy caching. In the following diagram, we can see the operation of Varnish Cache:
The requests come from various types of web clients. Varnish Cache passes the ...
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