| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.hadoop.hdds.scm.safemode; |
| |
| import org.apache.hadoop.metrics2.MetricsSystem; |
| import org.apache.hadoop.metrics2.annotation.Metric; |
| import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; |
| import org.apache.hadoop.metrics2.lib.MutableCounterLong; |
| |
| /** |
| * This class is used for maintaining SafeMode metric information, which can |
| * be used for monitoring during SCM startup when SCM is still in SafeMode. |
| */ |
| public class SafeModeMetrics { |
| private static final String SOURCE_NAME = |
| SafeModeMetrics.class.getSimpleName(); |
| |
| |
| // These all values will be set to some values when safemode is enabled. |
| private @Metric MutableCounterLong |
| numContainerWithOneReplicaReportedThreshold; |
| private @Metric MutableCounterLong |
| currentContainersWithOneReplicaReportedCount; |
| |
| // When hdds.scm.safemode.pipeline-availability.check is set then only |
| // below metrics will have some values, otherwise they will be zero. |
| private @Metric MutableCounterLong numHealthyPipelinesThreshold; |
| private @Metric MutableCounterLong currentHealthyPipelinesCount; |
| private @Metric MutableCounterLong |
| numPipelinesWithAtleastOneReplicaReportedThreshold; |
| private @Metric MutableCounterLong |
| currentPipelinesWithAtleastOneReplicaReportedCount; |
| |
| public static SafeModeMetrics create() { |
| MetricsSystem ms = DefaultMetricsSystem.instance(); |
| return ms.register(SOURCE_NAME, |
| "SCM Safemode Metrics", |
| new SafeModeMetrics()); |
| } |
| |
| public void setNumHealthyPipelinesThreshold(long val) { |
| this.numHealthyPipelinesThreshold.incr(val); |
| } |
| |
| public void incCurrentHealthyPipelinesCount() { |
| this.currentHealthyPipelinesCount.incr(); |
| } |
| |
| public void setNumPipelinesWithAtleastOneReplicaReportedThreshold(long val) { |
| this.numPipelinesWithAtleastOneReplicaReportedThreshold.incr(val); |
| } |
| |
| public void incCurrentHealthyPipelinesWithAtleastOneReplicaReportedCount() { |
| this.currentPipelinesWithAtleastOneReplicaReportedCount.incr(); |
| } |
| |
| public void setNumContainerWithOneReplicaReportedThreshold(long val) { |
| this.numContainerWithOneReplicaReportedThreshold.incr(val); |
| } |
| |
| public void incCurrentContainersWithOneReplicaReportedCount() { |
| this.currentContainersWithOneReplicaReportedCount.incr(); |
| } |
| |
| public MutableCounterLong getNumHealthyPipelinesThreshold() { |
| return numHealthyPipelinesThreshold; |
| } |
| |
| public MutableCounterLong getCurrentHealthyPipelinesCount() { |
| return currentHealthyPipelinesCount; |
| } |
| |
| public MutableCounterLong |
| getNumPipelinesWithAtleastOneReplicaReportedThreshold() { |
| return numPipelinesWithAtleastOneReplicaReportedThreshold; |
| } |
| |
| public MutableCounterLong getCurrentPipelinesWithAtleastOneReplicaCount() { |
| return currentPipelinesWithAtleastOneReplicaReportedCount; |
| } |
| |
| public MutableCounterLong getNumContainerWithOneReplicaReportedThreshold() { |
| return numContainerWithOneReplicaReportedThreshold; |
| } |
| |
| public MutableCounterLong getCurrentContainersWithOneReplicaReportedCount() { |
| return currentContainersWithOneReplicaReportedCount; |
| } |
| |
| |
| public void unRegister() { |
| MetricsSystem ms = DefaultMetricsSystem.instance(); |
| ms.unregisterSource(SOURCE_NAME); |
| } |
| } |