| /** |
| * 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; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos; |
| import org.apache.hadoop.metrics2.MetricsSystem; |
| import org.apache.hadoop.metrics2.annotation.Metric; |
| import org.apache.hadoop.metrics2.annotation.Metrics; |
| import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; |
| import org.apache.hadoop.metrics2.lib.MetricsRegistry; |
| import org.apache.hadoop.metrics2.lib.MutableCounterLong; |
| import org.apache.hadoop.metrics2.lib.MutableRate; |
| |
| /** |
| * The client metrics for the Storage Container protocol. |
| */ |
| @InterfaceAudience.Private |
| @Metrics(about = "Storage Container Client Metrics", context = "dfs") |
| public class XceiverClientMetrics { |
| public static final String SOURCE_NAME = XceiverClientMetrics.class |
| .getSimpleName(); |
| |
| private @Metric MutableCounterLong pendingOps; |
| private @Metric MutableCounterLong totalOps; |
| private MutableCounterLong[] pendingOpsArray; |
| private MutableCounterLong[] opsArray; |
| private MutableRate[] containerOpsLatency; |
| private MetricsRegistry registry; |
| |
| public XceiverClientMetrics() { |
| int numEnumEntries = ContainerProtos.Type.values().length; |
| this.registry = new MetricsRegistry(SOURCE_NAME); |
| |
| this.pendingOpsArray = new MutableCounterLong[numEnumEntries]; |
| this.opsArray = new MutableCounterLong[numEnumEntries]; |
| this.containerOpsLatency = new MutableRate[numEnumEntries]; |
| for (int i = 0; i < numEnumEntries; i++) { |
| pendingOpsArray[i] = registry.newCounter( |
| "numPending" + ContainerProtos.Type.forNumber(i + 1), |
| "number of pending" + ContainerProtos.Type.forNumber(i + 1) + " ops", |
| (long) 0); |
| opsArray[i] = registry |
| .newCounter("opCount" + ContainerProtos.Type.forNumber(i + 1), |
| "number of" + ContainerProtos.Type.forNumber(i + 1) + " ops", |
| (long) 0); |
| |
| containerOpsLatency[i] = registry.newRate( |
| ContainerProtos.Type.forNumber(i + 1) + "Latency", |
| "latency of " + ContainerProtos.Type.forNumber(i + 1) |
| + " ops"); |
| } |
| } |
| |
| public static XceiverClientMetrics create() { |
| DefaultMetricsSystem.initialize(SOURCE_NAME); |
| MetricsSystem ms = DefaultMetricsSystem.instance(); |
| return ms.register(SOURCE_NAME, "Storage Container Client Metrics", |
| new XceiverClientMetrics()); |
| } |
| |
| public void incrPendingContainerOpsMetrics(ContainerProtos.Type type) { |
| pendingOps.incr(); |
| totalOps.incr(); |
| opsArray[type.ordinal()].incr(); |
| pendingOpsArray[type.ordinal()].incr(); |
| } |
| |
| public void decrPendingContainerOpsMetrics(ContainerProtos.Type type) { |
| pendingOps.incr(-1); |
| pendingOpsArray[type.ordinal()].incr(-1); |
| } |
| |
| public void addContainerOpsLatency(ContainerProtos.Type type, |
| long latencyNanos) { |
| containerOpsLatency[type.ordinal()].add(latencyNanos); |
| } |
| |
| public long getContainerOpsMetrics(ContainerProtos.Type type) { |
| return pendingOpsArray[type.ordinal()].value(); |
| } |
| |
| @VisibleForTesting |
| public long getTotalOpCount() { |
| return totalOps.value(); |
| } |
| |
| @VisibleForTesting |
| public long getContainerOpCountMetrics(ContainerProtos.Type type) { |
| return opsArray[type.ordinal()].value(); |
| } |
| |
| public void unRegister() { |
| MetricsSystem ms = DefaultMetricsSystem.instance(); |
| ms.unregisterSource(SOURCE_NAME); |
| } |
| } |