natchez
trace4cats-sttp
natchez | trace4cats-sttp | |
---|---|---|
2 | 1 | |
318 | 5 | |
0.9% | - | |
8.8 | 0.0 | |
6 days ago | about 1 month ago | |
Scala | Scala | |
MIT License | MIT License |
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natchez
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The wonder of context functions
Regarding real-world uses of this concept, I used it today to put natchez tracing in my http4s project. While the project is still small, I was shocked at the lack of invasiveness of this approach compared to usage of Kleisli to achieve the same effect.
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Question on implementing open tracing with Scala Futures
It's never going to work with a ThreadLocal-based implementation because Future (and other Scala async stuff like cats.effect.IO) hop from thread to thread in an unpredictable way. The only way to do it is to jettison the magical "current span" thing and pass the span explicitly. You can hide this in the plumbing if you program with abstract effects (this is what Natchez Trace does) but with Future I think you're going to have to pass everything around in the open.
trace4cats-sttp
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Natchez and Akka Http
Have you seen: https://github.com/trace4cats/trace4cats-sttp ?
What are some alternatives?
wiringbits-scala-newbie-warts - A collection of WartRemover warts for Scala newbies used by Wiringbits
natchez-akka-http - A tiny integration library between Natchez and Akka Http
pencil - Simple smtp client
graalnative4s - Employ Scala for serverless applications
cats-effect-testing - Integration between cats-effect and test frameworks
Kamon - Distributed Tracing, Metrics and Context Propagation for applications running on the JVM
toolkit - A Scala 3, lightweight and functional non-intrusive library to build typed and declarative Scala application with managed resources and dependencies
axiom-honeycomb-proxy - A log forwarder/multiplexer for Axiom and Honeycomb.
programs-as-values - Source code of the programs as values presentation
newrelic-java-agent - The New Relic Java agent
scache - Cache in Scala with cats-effect