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Frameworks & web · #ktor
Compare CIO, Jetty, Apache, and OkHttp engines in Ktor to pick the best fit for your JVM/Android/iOS/Native project.
Learn how Ktor’s ContentNegotiation plugin, paired with kotlinx.serialization, automatically handles JSON request and response bodies so you can focus on business logic.
Stop manually parsing JSON in Ktor. Learn how to use the ContentNegotiation plugin and kotlinx.serialization to build type-safe, clean REST endpoints.
Learn how to install and configure Ktor's StatusPages plugin to convert exceptions and error statuses into consistent JSON responses, with setup steps, tests, and troubleshooting tips.
For a low-traffic Ktor service, the dominant operational cost is often idle resource consumption: resident memory, parked threads, and event-loop overhead. Ktor offers several server engines—Netty, CIO, Jetty, Tomcat—each with distinct threading and I/O models. Netty relies on event loops and channel pools; CIO is built directly on coroutines and advertises
kotlin