AI BriefingUsing Ktor in the Republic of Spring
Key point
Ktor offers faster boot times, lower resource usage, and superior Coroutine-based performance compared to Spring.
Details
In a Microservice environment, lightweight instances are essential. Ktor is optimized for Kotlin and Coroutine, and through a flexible structure that adds only the needed features as plugins, it compensates for the heavy resource usage problem of Spring Framework.
In actual tests, Ktor's boot time was 1.054 seconds, about 6 times faster than Spring (6.694 seconds). In terms of resource occupancy as well, Ktor uses 60MB of memory at startup, while Spring uses 195MB, confirming that Ktor is far more economical.
In terms of performance, differences occur depending on the nature of the task:
- CPU-computation-focused Non-blocking situations: The performance of the two frameworks is similar.
- Situations where Blocking occurs, such as I/O: Ktor, which utilizes Coroutine, shows superior performance over Spring.
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