zhijiangW commented on a change in pull request #8455: [FLINK-12284,FLINK-12637][Network,Metrics]Fix the incorrect inputBufferUsage metric in credit-based network mode URL: https://github.com/apache/flink/pull/8455#discussion_r295114415
########## File path: flink-runtime/src/test/java/org/apache/flink/runtime/io/network/partition/consumer/InputBuffersMetricsTest.java ########## @@ -0,0 +1,180 @@ +/* + * 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.flink.runtime.io.network.partition.consumer; + +import org.apache.flink.core.fs.CloseableRegistry; +import org.apache.flink.metrics.MetricGroup; +import org.apache.flink.runtime.io.network.ConnectionID; +import org.apache.flink.runtime.io.network.ConnectionManager; +import org.apache.flink.runtime.io.network.NettyShuffleEnvironment; +import org.apache.flink.runtime.io.network.NettyShuffleEnvironmentBuilder; +import org.apache.flink.runtime.io.network.TaskEventDispatcher; +import org.apache.flink.runtime.io.network.TestingConnectionManager; +import org.apache.flink.runtime.io.network.buffer.Buffer; +import org.apache.flink.runtime.io.network.metrics.CreditBasedInputBufferPoolUsageGauge; +import org.apache.flink.runtime.io.network.metrics.ExclusiveBuffersUsageGauge; +import org.apache.flink.runtime.io.network.metrics.FloatingBuffersUsageGauge; +import org.apache.flink.runtime.io.network.partition.InputChannelTestUtils; +import org.apache.flink.runtime.io.network.partition.ResultPartitionID; +import org.apache.flink.runtime.io.network.partition.ResultPartitionType; +import org.apache.flink.runtime.metrics.groups.UnregisteredMetricGroups; + +import org.junit.Test; + +import java.io.IOException; +import java.net.InetSocketAddress; + +import static org.junit.Assert.assertEquals; + +/** + * Test for input buffer usage related metrics. + */ +public class InputBuffersMetricsTest { + + @Test + public void testBufferUsageMetrics() throws IOException, InterruptedException { + + CloseableRegistry closeableRegistry = new CloseableRegistry(); + + final NettyShuffleEnvironment network = new NettyShuffleEnvironmentBuilder().setIsCreditBased(true).build(); + + final SingleInputGate inputGate1 = new SingleInputGateBuilder() + .setNumberOfChannels(2) + .setIsCreditBased(true) + .setResultPartitionType(ResultPartitionType.PIPELINED_BOUNDED) + .setupBufferPoolFactory(network) + .build(); + + final SingleInputGate inputGate2 = new SingleInputGateBuilder() + .setNumberOfChannels(2) + .setIsCreditBased(true) + .setResultPartitionType(ResultPartitionType.PIPELINED_BOUNDED) + .setupBufferPoolFactory(network) + .build(); + + int buffersPerChannel = 2; + int extraNetworkBuffersPerGate = 8; + + try { + final ResultPartitionID resultPartitionId1 = new ResultPartitionID(); + final ResultPartitionID resultPartitionId2 = new ResultPartitionID(); + + final ConnectionID connectionId1 = new ConnectionID(new InetSocketAddress("localhost", 5000), 0); + final ConnectionID connectionId2 = new ConnectionID(new InetSocketAddress("localhost", 5000), 0); + + RemoteInputChannel remoteInputChannel1 = createUnknownInputChannel(network, inputGate1, resultPartitionId1, 0).toRemoteInputChannel(connectionId1); + inputGate1.setInputChannel(resultPartitionId1.getPartitionId(), remoteInputChannel1); + + RemoteInputChannel remoteInputChannel2 = createUnknownInputChannel(network, inputGate1, resultPartitionId2, 1).toRemoteInputChannel(connectionId2); + inputGate1.setInputChannel(resultPartitionId2.getPartitionId(), remoteInputChannel2); + + RemoteInputChannel remoteInputChannel3 = createUnknownInputChannel(network, inputGate2, resultPartitionId1, 0).toRemoteInputChannel(connectionId1); + inputGate2.setInputChannel(resultPartitionId1.getPartitionId(), remoteInputChannel3); + + LocalInputChannel localInputChannel1 = createUnknownInputChannel(network, inputGate2, resultPartitionId2, 1).toLocalInputChannel(); + inputGate2.setInputChannel(resultPartitionId2.getPartitionId(), localInputChannel1); + + MetricGroup inputMetric = UnregisteredMetricGroups.createUnregisteredTaskMetricGroup().getIOMetricGroup().addGroup("buffers"); + + inputGate1.setup(); + inputGate2.setup(); + + SingleInputGate[] inputGates = new SingleInputGate[]{inputGate1, inputGate2}; + FloatingBuffersUsageGauge floatingBuffersUsageGauge = new FloatingBuffersUsageGauge(inputGates); + ExclusiveBuffersUsageGauge exclusiveBuffersUsageGauge = new ExclusiveBuffersUsageGauge(inputGates); + CreditBasedInputBufferPoolUsageGauge inputBufferPoolUsageGauge = new CreditBasedInputBufferPoolUsageGauge(floatingBuffersUsageGauge, exclusiveBuffersUsageGauge, inputGates); + + inputMetric.gauge("floatingBuffersUsage", floatingBuffersUsageGauge); + inputMetric.gauge("exclusiveBuffersUsage", exclusiveBuffersUsageGauge); + inputMetric.gauge("inputBufferUsage", inputBufferPoolUsageGauge); + + assertEquals(0.0, floatingBuffersUsageGauge.getValue(), 0.0); + assertEquals(0.0, exclusiveBuffersUsageGauge.getValue(), 0.0); + assertEquals(0.0, inputBufferPoolUsageGauge.getValue(), 0.0); + + assertEquals(buffersPerChannel * 2, exclusiveBuffersUsageGauge.calculateBufferPoolSize(inputGate1)); Review comment: Also for the case of following `extraNetworkBuffersPerGate`. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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