I expect scoped variables that will be introduced with Loom to replace MDC attached to threads.
On Wed, Sep 7, 2022 at 8:41 PM Matt Sicker <boa...@gmail.com> wrote: > Java 19 is coming out soon, and that includes a preview version of virtual > threads and structured concurrency APIs. While I’m not that familiar with > the Java implementation, I’d imagine it’ll have some similarities with > Kotlin coroutines and other similar structured concurrency libraries. > > I’ve played around with the general concept myself, particularly an > interesting Python library for the same. I think some sort of structured > concurrency architecture would be useful for making some async aspects of > Log4j easier to understand (mostly the areas where we spawn threads for > things, not for async logging). While the API isn’t stable, we can abstract > it well enough with multi version jars. What I’m more curious about is how > we’d interact (if at all) with virtual threads, coroutines, or structured > concurrency APIs in general. If an app uses structured concurrency > throughout, it might want the logging system to participate in the same > flow for clean shutdowns. > > Does anyone have any more concrete use cases that might be relevant for > us? Or does this seem more relevant for networking libraries and frameworks? > > — > Matt Sicker
