= core: move the scheduling of gauge recordings to MetricsExtension and load interval for recordings from config

1 files changed, 18 insertions, 27 deletions

diff --git a/kamon-core/src/main/resources/reference.conf b/kamon-core/src/main/resources/reference.conf
index e5168929..b1e5309d 100644
--- a/kamon-core/src/main/resources/reference.conf
+++ b/kamon-core/src/main/resources/reference.conf
@@ -4,8 +4,24 @@
 
 kamon {
   metrics {
+
+    # Time interval at which Kamon will collect all metrics and send them to all subscribed actors.
     tick-interval = 1 second
 
+    # Time interval at which Kamon will record values for all registered gauges.
+    gauge-recording-interval = 100 milliseconds
+
+    dispatchers {
+
+      # All Gauges record values periodically according to the `kamon.metrics.gauge-recording-interval` setting.
+      # This dispatcher is the one to be used to execute the recording code.
+      gauge-recordings = "akka.actor.default-dispatcher"
+
+      # Dispatcher for the actor managing all subscriptions and metrics collection.
+      metric-subscriptions = "akka.actor.default-dispatcher"
+    }
+
+
     filters = [
       {
         actor {
@@ -56,34 +72,8 @@ kamon {
     }
   }
 
-  default-dispatcher {
-    # Dispatcher is the name of the event-based dispatcher
-    type = Dispatcher
-
-    # What kind of ExecutionService to use
-    executor = "fork-join-executor"
-
-    # Configuration for the fork join pool
-    fork-join-executor {
-
-      # Min number of threads to cap factor-based parallelism number to
-      parallelism-min = 2
-
-      # Parallelism (threads) ... ceil(available processors * factor)
-      parallelism-factor = 2.0
-
-      # Max number of threads to cap factor-based parallelism number to
-      parallelism-max = 10
-    }
-
-    # Throughput defines the maximum number of messages to be
-    # processed per actor before the thread jumps to the next actor.
-    # Set to 1 for as fair as possible.
-    throughput = 100
-  }
-
-
   trace {
+
     # If ask-pattern-tracing is enabled, a WARN level log message will be generated if a future generated by the `ask`
     # pattern fails with a `AskTimeoutException` and the log message will contain a stack trace captured at the moment
     # the future was created.
@@ -91,6 +81,7 @@ kamon {
   }
 
   weaver {
+
     # AspectJ options supported by LTW
     # showWeaveInfo: show informational messages whenever the weaver touches a class file.
     # verbose: show informational messages about the weaving process.