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/*
* =========================================================================================
* Copyright © 2013-2014 the kamon project <http://kamon.io/>
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
* =========================================================================================
*/
package kamon.akka
import kamon.metric.{ EntityRecorderFactory, GenericEntityRecorder }
import kamon.metric.instrument.{ Time, InstrumentFactory }
/**
* Entity recorder for Akka Actors. The metrics being tracked are:
*
* - time-in-mailbox: Time spent from the instant when a message is enqueued in a actor's mailbox to the instant when
* that message is dequeued for processing.
* - processing-time: Time taken for the actor to process the receive function.
* - mailbox-size: Size of the actor's mailbox.
* - errors: Number or errors seen by the actor's supervision mechanism.
*/
class ActorMetrics(instrumentFactory: InstrumentFactory) extends GenericEntityRecorder(instrumentFactory) {
val timeInMailbox = histogram("time-in-mailbox", Time.Nanoseconds)
val processingTime = histogram("processing-time", Time.Nanoseconds)
val mailboxSize = minMaxCounter("mailbox-size")
val errors = counter("errors")
}
object ActorMetrics extends EntityRecorderFactory[ActorMetrics] {
def category: String = "akka-actor"
def createRecorder(instrumentFactory: InstrumentFactory): ActorMetrics = new ActorMetrics(instrumentFactory)
}
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