| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.server; |
| |
| import static org.apache.hadoop.hdds.protocol.proto.HddsProtos.LifeCycleState.CLOSED; |
| import static org.apache.hadoop.hdds.protocol.proto.HddsProtos.LifeCycleState.CLOSING; |
| import static org.apache.hadoop.hdds.protocol.proto.HddsProtos.LifeCycleState.DELETED; |
| import static org.apache.hadoop.hdds.protocol.proto.HddsProtos.LifeCycleState.DELETING; |
| import static org.apache.hadoop.hdds.protocol.proto.HddsProtos.LifeCycleState.OPEN; |
| import static org.apache.hadoop.hdds.protocol.proto.HddsProtos.LifeCycleState.QUASI_CLOSED; |
| |
| import java.util.Map; |
| |
| import org.apache.hadoop.hdds.annotation.InterfaceAudience; |
| import org.apache.hadoop.hdds.protocol.proto.HddsProtos; |
| import org.apache.hadoop.metrics2.MetricsCollector; |
| import org.apache.hadoop.metrics2.MetricsSource; |
| import org.apache.hadoop.metrics2.MetricsSystem; |
| import org.apache.hadoop.metrics2.annotation.Metrics; |
| import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; |
| import org.apache.hadoop.metrics2.lib.Interns; |
| import org.apache.hadoop.ozone.OzoneConsts; |
| |
| /** |
| * Metrics source to report number of containers in different states. |
| */ |
| @InterfaceAudience.Private |
| @Metrics(about = "SCM Container Manager Metrics", context = OzoneConsts.OZONE) |
| public class SCMContainerMetrics implements MetricsSource { |
| |
| private final SCMMXBean scmmxBean; |
| private static final String SOURCE = |
| SCMContainerMetrics.class.getSimpleName(); |
| |
| public SCMContainerMetrics(SCMMXBean scmmxBean) { |
| this.scmmxBean = scmmxBean; |
| } |
| |
| public static SCMContainerMetrics create(SCMMXBean scmmxBean) { |
| MetricsSystem ms = DefaultMetricsSystem.instance(); |
| return ms.register(SOURCE, "Storage " + |
| "Container Manager Metrics", new SCMContainerMetrics(scmmxBean)); |
| } |
| |
| public void unRegister() { |
| MetricsSystem ms = DefaultMetricsSystem.instance(); |
| ms.unregisterSource(SOURCE); |
| } |
| |
| @Override |
| @SuppressWarnings("SuspiciousMethodCalls") |
| public void getMetrics(MetricsCollector collector, boolean all) { |
| Map<String, Integer> stateCount = scmmxBean.getContainerStateCount(); |
| |
| int totalContainers = 0; |
| for (HddsProtos.LifeCycleState state : HddsProtos.LifeCycleState.values()) { |
| totalContainers = totalContainers + stateCount.get(state.toString()); |
| } |
| |
| collector.addRecord(SOURCE) |
| .addGauge(Interns.info("OpenContainers", |
| "Number of open containers"), |
| stateCount.get(OPEN.toString())) |
| .addGauge(Interns.info("ClosingContainers", |
| "Number of containers in closing state"), |
| stateCount.get(CLOSING.toString())) |
| .addGauge(Interns.info("QuasiClosedContainers", |
| "Number of containers in quasi closed state"), |
| stateCount.get(QUASI_CLOSED.toString())) |
| .addGauge(Interns.info("ClosedContainers", |
| "Number of containers in closed state"), |
| stateCount.get(CLOSED.toString())) |
| .addGauge(Interns.info("DeletingContainers", |
| "Number of containers in deleting state"), |
| stateCount.get(DELETING.toString())) |
| .addGauge(Interns.info("DeletedContainers", |
| "Number of containers in deleted state"), |
| stateCount.get(DELETED.toString())) |
| .addGauge(Interns.info("TotalContainers", |
| "Number of all containers"), |
| totalContainers); |
| } |
| } |