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74 changes: 74 additions & 0 deletions
74
...rs/yarn/src/test/scala/org/apache/spark/network/yarn/YarnShuffleServiceMetricsSuite.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| /* | ||
| * 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.spark.network.yarn | ||
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|
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| import org.apache.hadoop.metrics2.MetricsRecordBuilder | ||
| import org.mockito.Matchers._ | ||
| import org.mockito.Mockito.{mock, times, verify, when} | ||
| import org.scalatest.Matchers | ||
| import scala.collection.JavaConverters._ | ||
|
|
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| import org.apache.spark.network.server.OneForOneStreamManager | ||
| import org.apache.spark.network.shuffle.{ExternalShuffleBlockHandler, ExternalShuffleBlockResolver} | ||
| import org.apache.spark.SparkFunSuite | ||
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|
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| class YarnShuffleServiceMetricsSuite extends SparkFunSuite with Matchers { | ||
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| val streamManager = mock(classOf[OneForOneStreamManager]) | ||
| val blockResolver = mock(classOf[ExternalShuffleBlockResolver]) | ||
| when(blockResolver.getRegisteredExecutorsSize).thenReturn(42) | ||
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| val metrics = new ExternalShuffleBlockHandler(streamManager, blockResolver).getAllMetrics | ||
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| test("metrics named as expected") { | ||
| val allMetrics = Set( | ||
| "openBlockRequestLatencyMillis", "registerExecutorRequestLatencyMillis", | ||
| "blockTransferRateBytes", "registeredExecutorsSize") | ||
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| metrics.getMetrics.keySet().asScala should be (allMetrics) | ||
| } | ||
|
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| // these three metrics have the same effect on the collector | ||
| for (testname <- Seq("openBlockRequestLatencyMillis", | ||
| "registerExecutorRequestLatencyMillis", | ||
| "blockTransferRateBytes")) { | ||
| test(s"$testname - collector receives correct types") { | ||
| val builder = mock(classOf[MetricsRecordBuilder]) | ||
| when(builder.addCounter(any(), anyLong())).thenReturn(builder) | ||
| when(builder.addGauge(any(), anyDouble())).thenReturn(builder) | ||
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| YarnShuffleServiceMetrics.collectMetric(builder, testname, | ||
| metrics.getMetrics.get(testname)) | ||
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| verify(builder).addCounter(anyObject(), anyLong()) | ||
| verify(builder, times(4)).addGauge(anyObject(), anyDouble()) | ||
| } | ||
| } | ||
|
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| // this metric writes only one gauge to the collector | ||
| test("registeredExecutorsSize - collector receives correct types") { | ||
| val builder = mock(classOf[MetricsRecordBuilder]) | ||
| when(builder.addCounter(any(), anyLong())).thenReturn(builder) | ||
| when(builder.addGauge(any(), anyDouble())).thenReturn(builder) | ||
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| YarnShuffleServiceMetrics.collectMetric(builder, "registeredExecutorsSize", | ||
| metrics.getMetrics.get("registeredExecutorsSize")) | ||
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| // only one | ||
| verify(builder).addGauge(anyObject(), anyInt()) | ||
| } | ||
| } |
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mostly because I want to make sure we don't start looking for the wrong casing of this in metrics collectors