Spring Service: Improving Processing Time Could Harm Service Scalability

Learn more about improving processing speed in your Spring service.

Improving processing time by running tasks in parallel became very easy in the latest versions of Java and Spring. Must we understand the threads' usage behind the syntactic sugar? Read on to find out.

You may also like: Get the Most Out of the Java Thread Pool

Let's Start With the Code

Below is a simple controller of service (I will name it users service) that gets the input userId and returns the user object: id, name, and phoneNumber:

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