otel4s full JVM metrics 2026

otel4s.diff

diff --git a/build.sbt b/build.sbt
index a34d516..7ed900b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -71,7 +71,6 @@ lazy val app =
         // "org.typelevel" %% "otel4s-experimental-metrics" % "0.5.0",
         "org.http4s" %% "http4s-otel4s-middleware-trace-client" % "0.18.0-RC1",
         "org.http4s" %% "http4s-otel4s-middleware-trace-server" % "0.18.0-RC1",
-        "io.opentelemetry.instrumentation" % "opentelemetry-runtime-telemetry" % "2.27.0-alpha",
         //
         // AWS
         //
@@ -89,6 +88,8 @@ lazy val app =
       javaOptions += "-Dotel.exporter.otlp.endpoint=https://api.eu1.honeycomb.io",
       javaOptions += "-Dotel.logs.exporter=otlp",
       javaOptions += "-Dotel.bsp.schedule.delay=1000",
+      javaOptions += "-Dotel.instrumentation.runtime-telemetry.emit-experimental-metrics=true",
+      javaOptions += "-Dotel.instrumentation.runtime-telemetry.emit-experimental-jfr-metrics=true",
       javaAgents += "io.github.irevive" % "otel4s-opentelemetry-javaagent" % "2.27.0" % Runtime,
       Universal / javaOptions ++= javaOptions.value,
       Compile / run / fork := true,
diff --git a/modules/app/src/main/scala/wypo/Main.scala b/modules/app/src/main/scala/wypo/Main.scala
index 726ac7f..d1afc58 100644
--- a/modules/app/src/main/scala/wypo/Main.scala
+++ b/modules/app/src/main/scala/wypo/Main.scala
@@ -3,8 +3,6 @@ package wypo
 import cats.effect.*
 import cats.syntax.all.*
 import doobie.util.transactor.Transactor
-import io.opentelemetry.api.OpenTelemetry as JOpenTelemetry
-import io.opentelemetry.instrumentation.runtimetelemetry.*
 import org.http4s.*
 import org.http4s.ember.server.*
 import org.http4s.implicits.*
@@ -39,7 +37,6 @@ object Main extends IOApp.Simple {
       logger @ given Logger[IO] = Slf4jLogger.getLoggerFromName[IO]("wypo.backend")
       given LocalProvider[IO, Context] = IOLocalContextStorage.localProvider[IO]
       otel <- OtelJava.global[IO].toResource
-      _ <- registerRuntimeTelemetry(otel.underlying)
 
       given TracerProvider[IO] = otel.tracerProvider
       given Tracer[IO] <- otel.tracerProvider.get("wypo.backend").toResource
@@ -149,12 +146,4 @@ object Main extends IOApp.Simple {
         mkServer.tracedAcquire("server.start")
     }.useForever
 
-  private def registerRuntimeTelemetry(
-    openTelemetry: JOpenTelemetry
-  ): Resource[IO, Unit] = {
-    val acquire = IO(RuntimeTelemetry.create(openTelemetry))
-
-    Resource.fromAutoCloseable(acquire).void
-  }
-
 }