| /* |
| * Copyright 2018 The Apache Software Foundation. |
| * |
| * 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 org.apache.storm.daemon.supervisor; |
| |
| import com.codahale.metrics.Meter; |
| import com.codahale.metrics.Timer; |
| import java.util.Collections; |
| import java.util.Map; |
| import org.apache.storm.metric.StormMetricsRegistry; |
| import org.apache.storm.utils.EnumUtil; |
| |
| class SlotMetrics { |
| |
| final Meter numWorkersLaunched; |
| final Meter numWorkerStartTimedOut; |
| final Map<Slot.KillReason, Meter> numWorkersKilledFor; |
| final Timer workerLaunchDuration; |
| final Map<Slot.MachineState, Meter> transitionIntoState; |
| //This also tracks how many times worker transitioning out of a state |
| final Map<Slot.MachineState, Timer> timeSpentInState; |
| |
| SlotMetrics(StormMetricsRegistry metricsRegistry) { |
| numWorkersLaunched = metricsRegistry.registerMeter("supervisor:num-workers-launched"); |
| numWorkerStartTimedOut = metricsRegistry.registerMeter("supervisor:num-worker-start-timed-out"); |
| numWorkersKilledFor = Collections.unmodifiableMap(EnumUtil.toEnumMap(Slot.KillReason.class, |
| killReason -> metricsRegistry.registerMeter("supervisor:num-workers-killed-" + killReason.toString()))); |
| workerLaunchDuration = metricsRegistry.registerTimer("supervisor:worker-launch-duration"); |
| transitionIntoState = Collections.unmodifiableMap(EnumUtil.toEnumMap(Slot.MachineState.class, |
| machineState -> metricsRegistry.registerMeter("supervisor:num-worker-transitions-into-" + machineState.toString()))); |
| timeSpentInState = Collections.unmodifiableMap(EnumUtil.toEnumMap(Slot.MachineState.class, |
| machineState -> metricsRegistry.registerTimer("supervisor:time-worker-spent-in-state-" + machineState.toString() + "-ms"))); |
| } |
| |
| } |