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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2019/07/01 14:23:01 UTC
[GitHub] [flink] Aitozi commented on a change in pull request #8455:
[FLINK-12284][Network,
Metrics]Fix the incorrect inputBufferUsage metric in credit-based network
mode
Aitozi commented on a change in pull request #8455: [FLINK-12284][Network,Metrics]Fix the incorrect inputBufferUsage metric in credit-based network mode
URL: https://github.com/apache/flink/pull/8455#discussion_r299067193
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File path: flink-runtime/src/test/java/org/apache/flink/runtime/io/network/partition/consumer/InputBuffersMetricsTest.java
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@@ -0,0 +1,301 @@
+/*
+ * 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.api.java.tuple.Tuple3;
+import org.apache.flink.core.fs.CloseableRegistry;
+import org.apache.flink.runtime.io.network.NettyShuffleEnvironment;
+import org.apache.flink.runtime.io.network.NettyShuffleEnvironmentBuilder;
+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.CreditBasedInputBuffersUsageGauge;
+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.ResultPartitionID;
+import org.apache.flink.runtime.io.network.partition.ResultPartitionType;
+import org.apache.flink.util.TestLogger;
+
+import org.junit.Test;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Tests the metrics for input buffers usage.
+ */
+public class InputBuffersMetricsTest extends TestLogger {
+
+ @Test
+ public void testCalculateTotalBuffersSize() throws IOException {
+ int numberOfRemoteChannels = 2;
+ int numberOfLocalChannels = 0;
+
+ int buffersPerChannel = 2;
+ int extraNetworkBuffersPerGate = 8;
+
+ CloseableRegistry closeableRegistry = new CloseableRegistry();
+
+ NettyShuffleEnvironment network = new NettyShuffleEnvironmentBuilder()
+ .setNetworkBuffersPerChannel(buffersPerChannel)
+ .setFloatingNetworkBuffersPerGate(extraNetworkBuffersPerGate)
+ .build();
+
+ Tuple3<SingleInputGate, List<RemoteInputChannel>, List<LocalInputChannel>> tuple1 = buildInputGate(
+ network,
+ numberOfRemoteChannels,
+ numberOfLocalChannels);
+
+ SingleInputGate inputGate1 = tuple1.f0;
+
+ closeableRegistry.registerCloseable(network::close);
+ closeableRegistry.registerCloseable(inputGate1::close);
+
+ try {
+ SingleInputGate[] inputGates = new SingleInputGate[]{inputGate1};
+ FloatingBuffersUsageGauge floatingBuffersUsageGauge = new FloatingBuffersUsageGauge(inputGates);
+ ExclusiveBuffersUsageGauge exclusiveBuffersUsageGauge = new ExclusiveBuffersUsageGauge(inputGates);
+ CreditBasedInputBuffersUsageGauge inputBufferPoolUsageGauge = new CreditBasedInputBuffersUsageGauge(
+ floatingBuffersUsageGauge,
+ exclusiveBuffersUsageGauge,
+ inputGates);
+
+ assertEquals(extraNetworkBuffersPerGate, floatingBuffersUsageGauge.calculateTotalBuffers(inputGate1));
+ assertEquals(numberOfRemoteChannels * buffersPerChannel, exclusiveBuffersUsageGauge.calculateTotalBuffers(inputGate1));
+ assertEquals(numberOfRemoteChannels * buffersPerChannel + extraNetworkBuffersPerGate, inputBufferPoolUsageGauge.calculateTotalBuffers(inputGate1));
+ } finally {
+ closeableRegistry.close();
+ }
+ }
+
+ @Test
+ public void testExclusiveBuffersUsage() throws IOException {
+ int numberOfRemoteChannelsGate1 = 2;
+ int numberOfLocalChannelsGate1 = 0;
+ int numberOfRemoteChannelsGate2 = 1;
+ int numberOfLocalChannelsGate2 = 1;
+
+ int numberOfRemoteChannelsTotal = numberOfRemoteChannelsGate1 + numberOfRemoteChannelsGate2;
+ int numberOfInputGates = 2;
+
+ int buffersPerChannel = 2;
+ int extraNetworkBuffersPerGate = 8;
+
+ CloseableRegistry closeableRegistry = new CloseableRegistry();
+
+ NettyShuffleEnvironment network = new NettyShuffleEnvironmentBuilder()
+ .setNetworkBuffersPerChannel(buffersPerChannel)
+ .setFloatingNetworkBuffersPerGate(extraNetworkBuffersPerGate)
+ .build();
+
+ Tuple3<SingleInputGate, List<RemoteInputChannel>, List<LocalInputChannel>> tuple1 = buildInputGate(
+ network,
+ numberOfRemoteChannelsGate1,
+ numberOfLocalChannelsGate1);
+ Tuple3<SingleInputGate, List<RemoteInputChannel>, List<LocalInputChannel>> tuple2 = buildInputGate(
+ network,
+ numberOfRemoteChannelsGate2,
+ numberOfLocalChannelsGate2);
+
+ SingleInputGate inputGate1 = tuple1.f0;
+ SingleInputGate inputGate2 = tuple2.f0;
+
+ try {
+ assertEquals(tuple1.f1.size(), numberOfRemoteChannelsGate1 + numberOfLocalChannelsGate1);
+ RemoteInputChannel remoteInputChannel1 = tuple1.f1.get(0);
+ RemoteInputChannel remoteInputChannel2 = tuple1.f1.get(1);
+
+ SingleInputGate[] inputGates = new SingleInputGate[]{tuple1.f0, tuple2.f0};
+ FloatingBuffersUsageGauge floatingBuffersUsageGauge = new FloatingBuffersUsageGauge(inputGates);
+ ExclusiveBuffersUsageGauge exclusiveBuffersUsageGauge = new ExclusiveBuffersUsageGauge(inputGates);
+ CreditBasedInputBuffersUsageGauge inputBuffersUsageGauge = new CreditBasedInputBuffersUsageGauge(
+ floatingBuffersUsageGauge,
+ exclusiveBuffersUsageGauge,
+ inputGates);
+
+ assertEquals(0.0, exclusiveBuffersUsageGauge.getValue(), 0.0);
+ assertEquals(0.0, inputBuffersUsageGauge.getValue(), 0.0);
+
+ drainBuffer(buffersPerChannel, remoteInputChannel1, closeableRegistry);
+
+ int totalBuffers = extraNetworkBuffersPerGate * numberOfInputGates + buffersPerChannel * numberOfRemoteChannelsTotal;
+
+ assertEquals(buffersPerChannel, exclusiveBuffersUsageGauge.calculateUsedBuffers(inputGate1));
+ assertEquals((double) buffersPerChannel / (buffersPerChannel * numberOfRemoteChannelsTotal), exclusiveBuffersUsageGauge.getValue(), 0.0001);
+ assertEquals((double) buffersPerChannel / totalBuffers, inputBuffersUsageGauge.getValue(), 0.0001);
+
+ drainBuffer(buffersPerChannel, remoteInputChannel2, closeableRegistry);
+
+ assertEquals(buffersPerChannel * numberOfRemoteChannelsGate1, exclusiveBuffersUsageGauge.calculateUsedBuffers(inputGate1));
+ assertEquals((double) buffersPerChannel * numberOfRemoteChannelsGate1 / (buffersPerChannel * numberOfRemoteChannelsTotal),
+ exclusiveBuffersUsageGauge.getValue(), 0.0001);
+ assertEquals((double) buffersPerChannel * numberOfRemoteChannelsGate1 / totalBuffers,
+ inputBuffersUsageGauge.getValue(), 0.0001);
+ } finally {
+ inputGate1.close();
Review comment:
And the closeableRegistry will close quietly, ignoring the exception (exclusive buffers may have not been released before close global buffer pool). So I prefer to keep the current shape.
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