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[FLINK-12201][network][metrics] Introduce InputGateWithMetrics in Tas…
…k to increment numBytesIn metric Incrementing of numBytesIn metric does not depend on specific shuffle service and can be moved out of network internals into Task. Task could wrap InputGate provided by ShuffleService with InputGateWithMetrics which would increment numBytesIn metric.
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102 changes: 102 additions & 0 deletions
102
flink-runtime/src/main/java/org/apache/flink/runtime/taskmanager/InputGateWithMetrics.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,102 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.flink.runtime.taskmanager; | ||
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| import org.apache.flink.metrics.Counter; | ||
| import org.apache.flink.runtime.event.TaskEvent; | ||
| import org.apache.flink.runtime.io.network.partition.consumer.BufferOrEvent; | ||
| import org.apache.flink.runtime.io.network.partition.consumer.InputGate; | ||
| import org.apache.flink.runtime.io.network.partition.consumer.InputGateListener; | ||
| import org.apache.flink.runtime.metrics.groups.TaskIOMetricGroup; | ||
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| import java.io.IOException; | ||
| import java.util.Optional; | ||
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| import static org.apache.flink.util.Preconditions.checkNotNull; | ||
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| /** | ||
| * The InputGateWithMetrics is wrapped in task with {@link InputGate} provided by | ||
| * shuffle service. It is mainly used for increasing general input metrics from | ||
| * {@link TaskIOMetricGroup}. | ||
| */ | ||
| public class InputGateWithMetrics implements InputGate { | ||
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| private final InputGate inputGate; | ||
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| private final Counter numBytesInCounter; | ||
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| InputGateWithMetrics(InputGate inputGate, Counter numBytesInCounter) { | ||
| this.inputGate = checkNotNull(inputGate); | ||
| this.numBytesInCounter = checkNotNull(numBytesInCounter); | ||
| } | ||
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| @Override | ||
| public int getNumberOfInputChannels() { | ||
| return inputGate.getNumberOfInputChannels(); | ||
| } | ||
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| @Override | ||
| public String getOwningTaskName() { | ||
| return inputGate.getOwningTaskName(); | ||
| } | ||
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| @Override | ||
| public boolean isFinished() { | ||
| return inputGate.isFinished(); | ||
| } | ||
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| @Override | ||
| public void requestPartitions() throws IOException, InterruptedException { | ||
| inputGate.requestPartitions(); | ||
| } | ||
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| @Override | ||
| public Optional<BufferOrEvent> getNextBufferOrEvent() throws IOException, InterruptedException { | ||
| Optional<BufferOrEvent> bufferOrEvent = inputGate.getNextBufferOrEvent(); | ||
| if (bufferOrEvent.isPresent()) { | ||
| numBytesInCounter.inc(bufferOrEvent.get().getSize()); | ||
| } | ||
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| return bufferOrEvent; | ||
| } | ||
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| @Override | ||
| public Optional<BufferOrEvent> pollNextBufferOrEvent() throws IOException, InterruptedException { | ||
| return inputGate.pollNextBufferOrEvent(); | ||
| } | ||
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| @Override | ||
| public void sendTaskEvent(TaskEvent event) throws IOException { | ||
| inputGate.sendTaskEvent(event); | ||
| } | ||
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| @Override | ||
| public void registerListener(InputGateListener listener) { | ||
| inputGate.registerListener(listener); | ||
| } | ||
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| @Override | ||
| public int getPageSize() { | ||
| return inputGate.getPageSize(); | ||
| } | ||
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| @Override | ||
| public void close() throws Exception { | ||
| } | ||
| } |
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