MAPREDUCE-3983. TestTTResourceReporting can fail, and should just be deleted (Ravi Prakash via bobby)
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1308957 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Joseph Evans
parent
4d876c7800
commit
8c8dbba8a6
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@ -220,6 +220,9 @@ Release 0.23.3 - UNRELEASED
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MAPREDUCE-4060. Multiple SLF4J binding warning (Jason Lowe via bobby)
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MAPREDUCE-3983. TestTTResourceReporting can fail, and should just be
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deleted (Ravi Prakash via bobby)
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Release 0.23.2 - UNRELEASED
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INCOMPATIBLE CHANGES
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@ -1,364 +0,0 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.mapred;
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import java.io.IOException;
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import java.util.List;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.mapreduce.SleepJob;
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import org.apache.hadoop.mapreduce.TaskCounter;
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import org.apache.hadoop.mapreduce.util.LinuxResourceCalculatorPlugin;
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import org.apache.hadoop.mapreduce.util.ResourceCalculatorPlugin;
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import org.apache.hadoop.util.ToolRunner;
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import org.apache.hadoop.mapreduce.MRConfig;
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import org.apache.hadoop.mapreduce.server.jobtracker.JTConfig;
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import org.apache.hadoop.mapreduce.server.jobtracker.TaskTracker;
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import junit.framework.TestCase;
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import org.junit.Test;
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import org.junit.After;
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/**
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* This test class tests the functionality related to configuring, reporting
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* and computing memory related parameters in a Map/Reduce cluster.
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*
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* Each test sets up a {@link MiniMRCluster} with a locally defined
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* {@link org.apache.hadoop.mapred.TaskScheduler}. This scheduler validates
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* the memory related configuration is correctly computed and reported from
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* the tasktracker in
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* {@link org.apache.hadoop.mapred.TaskScheduler#assignTasks(TaskTrackerStatus)}.
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*/
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public class TestTTResourceReporting extends TestCase {
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static final Log LOG = LogFactory.getLog(TestTTResourceReporting.class);
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private MiniMRCluster miniMRCluster;
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/**
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* Fake scheduler to test the proper reporting of memory values by TT
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*/
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public static class FakeTaskScheduler extends JobQueueTaskScheduler {
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private boolean hasPassed = true;
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private boolean hasDynamicValuePassed = true;
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private String message;
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public FakeTaskScheduler() {
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super();
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}
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public boolean hasTestPassed() {
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return hasPassed;
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}
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public boolean hasDynamicTestPassed() {
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return hasDynamicValuePassed;
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}
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public String getFailureMessage() {
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return message;
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}
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@Override
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public List<Task> assignTasks(TaskTracker taskTracker)
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throws IOException {
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TaskTrackerStatus status = taskTracker.getStatus();
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long totalVirtualMemoryOnTT =
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getConf().getLong("totalVmemOnTT", JobConf.DISABLED_MEMORY_LIMIT);
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long totalPhysicalMemoryOnTT =
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getConf().getLong("totalPmemOnTT", JobConf.DISABLED_MEMORY_LIMIT);
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long mapSlotMemorySize =
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getConf().getLong("mapSlotMemorySize", JobConf.DISABLED_MEMORY_LIMIT);
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long reduceSlotMemorySize =
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getConf()
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.getLong("reduceSlotMemorySize", JobConf.DISABLED_MEMORY_LIMIT);
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long availableVirtualMemoryOnTT =
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getConf().getLong("availableVmemOnTT", JobConf.DISABLED_MEMORY_LIMIT);
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long availablePhysicalMemoryOnTT =
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getConf().getLong("availablePmemOnTT", JobConf.DISABLED_MEMORY_LIMIT);
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long cumulativeCpuTime =
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getConf().getLong("cumulativeCpuTime", TaskTrackerStatus.UNAVAILABLE);
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long cpuFrequency =
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getConf().getLong("cpuFrequency", TaskTrackerStatus.UNAVAILABLE);
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int numProcessors =
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getConf().getInt("numProcessors", TaskTrackerStatus.UNAVAILABLE);
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float cpuUsage =
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getConf().getFloat("cpuUsage", TaskTrackerStatus.UNAVAILABLE);
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long reportedTotalVirtualMemoryOnTT =
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status.getResourceStatus().getTotalVirtualMemory();
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long reportedTotalPhysicalMemoryOnTT =
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status.getResourceStatus().getTotalPhysicalMemory();
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long reportedMapSlotMemorySize =
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status.getResourceStatus().getMapSlotMemorySizeOnTT();
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long reportedReduceSlotMemorySize =
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status.getResourceStatus().getReduceSlotMemorySizeOnTT();
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long reportedAvailableVirtualMemoryOnTT =
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status.getResourceStatus().getAvailabelVirtualMemory();
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long reportedAvailablePhysicalMemoryOnTT =
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status.getResourceStatus().getAvailablePhysicalMemory();
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long reportedCumulativeCpuTime =
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status.getResourceStatus().getCumulativeCpuTime();
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long reportedCpuFrequency = status.getResourceStatus().getCpuFrequency();
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int reportedNumProcessors = status.getResourceStatus().getNumProcessors();
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float reportedCpuUsage = status.getResourceStatus().getCpuUsage();
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message =
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"expected values : "
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+ "(totalVirtualMemoryOnTT, totalPhysicalMemoryOnTT, "
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+ "availableVirtualMemoryOnTT, availablePhysicalMemoryOnTT, "
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+ "mapSlotMemSize, reduceSlotMemorySize, cumulativeCpuTime, "
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+ "cpuFrequency, numProcessors, cpuUsage) = ("
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+ totalVirtualMemoryOnTT + ", "
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+ totalPhysicalMemoryOnTT + ","
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+ availableVirtualMemoryOnTT + ", "
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+ availablePhysicalMemoryOnTT + ","
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+ mapSlotMemorySize + ","
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+ reduceSlotMemorySize + ","
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+ cumulativeCpuTime + ","
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+ cpuFrequency + ","
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+ numProcessors + ","
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+ cpuUsage
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+")";
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message +=
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"\nreported values : "
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+ "(totalVirtualMemoryOnTT, totalPhysicalMemoryOnTT, "
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+ "availableVirtualMemoryOnTT, availablePhysicalMemoryOnTT, "
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+ "reportedMapSlotMemorySize, reportedReduceSlotMemorySize, "
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+ "reportedCumulativeCpuTime, reportedCpuFrequency, "
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+ "reportedNumProcessors, cpuUsage) = ("
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+ reportedTotalVirtualMemoryOnTT + ", "
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+ reportedTotalPhysicalMemoryOnTT + ","
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+ reportedAvailableVirtualMemoryOnTT + ", "
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+ reportedAvailablePhysicalMemoryOnTT + ","
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+ reportedMapSlotMemorySize + ","
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+ reportedReduceSlotMemorySize + ","
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+ reportedCumulativeCpuTime + ","
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+ reportedCpuFrequency + ","
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+ reportedNumProcessors + ","
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+ reportedCpuUsage
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+ ")";
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LOG.info(message);
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hasDynamicValuePassed = true;
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// Check task resource status in task reports
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for (TaskStatus taskStatus : status.getTaskReports()) {
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Counters counters = taskStatus.getCounters();
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// This should be zero because the initial CPU time is subtracted.
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long procCumulativeCpuTime = 0;
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long procVirtualMemorySize =
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getConf().getLong("procVirtualMemorySize", -1);
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long procPhysicalMemorySize =
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getConf().getLong("procPhysicalMemorySize", -1);
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long reportedProcCumulativeCpuTime =
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counters.findCounter(TaskCounter.CPU_MILLISECONDS).getValue();
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long reportedProcVirtualMemorySize =
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counters.findCounter(TaskCounter.VIRTUAL_MEMORY_BYTES).getValue();
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long reportedProcPhysicalMemorySize =
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counters.findCounter(TaskCounter.PHYSICAL_MEMORY_BYTES).getValue();
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String procMessage =
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"expected values : "
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+ "(procCumulativeCpuTime, procVirtualMemorySize,"
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+ " procPhysicalMemorySize) = ("
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+ procCumulativeCpuTime + ", "
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+ procVirtualMemorySize + ", "
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+ procPhysicalMemorySize + ")";
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procMessage +=
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"\nreported values : "
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+ "(procCumulativeCpuTime, procVirtualMemorySize,"
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+ " procPhysicalMemorySize) = ("
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+ reportedProcCumulativeCpuTime + ", "
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+ reportedProcVirtualMemorySize + ", "
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+ reportedProcPhysicalMemorySize + ")";
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LOG.info(procMessage);
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message += "\n" + procMessage;
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if (procCumulativeCpuTime != reportedProcCumulativeCpuTime ||
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procVirtualMemorySize != reportedProcVirtualMemorySize ||
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procPhysicalMemorySize != reportedProcPhysicalMemorySize) {
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hasDynamicValuePassed = false;
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}
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}
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hasPassed = true;
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if (totalVirtualMemoryOnTT != reportedTotalVirtualMemoryOnTT
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|| totalPhysicalMemoryOnTT != reportedTotalPhysicalMemoryOnTT
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|| mapSlotMemorySize != reportedMapSlotMemorySize
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|| reduceSlotMemorySize != reportedReduceSlotMemorySize
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|| numProcessors != reportedNumProcessors) {
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hasPassed = false;
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}
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// These values changes every moment on the node so it can only be
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// tested by DummyMemoryCalculatorPlugin. Need to check them separately
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if (availableVirtualMemoryOnTT != reportedAvailableVirtualMemoryOnTT
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|| availablePhysicalMemoryOnTT != reportedAvailablePhysicalMemoryOnTT
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|| cumulativeCpuTime != reportedCumulativeCpuTime
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|| cpuFrequency != reportedCpuFrequency
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|| cpuUsage != reportedCpuUsage) {
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hasDynamicValuePassed = false;
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}
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return super.assignTasks(taskTracker);
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}
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}
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/**
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* Test that verifies default values are configured and reported correctly.
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*
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* @throws Exception
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*/
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@Test
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public void testDefaultResourceValues()
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throws Exception {
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JobConf conf = new JobConf();
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try {
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// Memory values are disabled by default.
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conf.setClass(
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org.apache.hadoop.mapreduce.server.tasktracker.TTConfig.TT_RESOURCE_CALCULATOR_PLUGIN,
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DummyResourceCalculatorPlugin.class, ResourceCalculatorPlugin.class);
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setUpCluster(conf);
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JobConf jobConf = miniMRCluster.createJobConf();
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jobConf.setClass(
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org.apache.hadoop.mapreduce.server.tasktracker.TTConfig.TT_RESOURCE_CALCULATOR_PLUGIN,
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DummyResourceCalculatorPlugin.class, ResourceCalculatorPlugin.class);
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runSleepJob(jobConf);
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verifyTestResults();
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} finally {
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tearDownCluster();
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}
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}
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/**
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* Test that verifies that configured values are reported correctly.
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*
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* @throws Exception
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*/
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@Test
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public void testConfiguredResourceValues()
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throws Exception {
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JobConf conf = new JobConf();
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conf.setLong("totalVmemOnTT", 4 * 1024 * 1024 * 1024L);
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conf.setLong("totalPmemOnTT", 2 * 1024 * 1024 * 1024L);
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conf.setLong("mapSlotMemorySize", 1 * 512L);
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conf.setLong("reduceSlotMemorySize", 1 * 1024L);
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conf.setLong("availableVmemOnTT", 4 * 1024 * 1024 * 1024L);
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conf.setLong("availablePmemOnTT", 2 * 1024 * 1024 * 1024L);
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conf.setLong("cumulativeCpuTime", 10000L);
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conf.setLong("cpuFrequency", 2000000L);
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conf.setInt("numProcessors", 8);
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conf.setFloat("cpuUsage", 15.5F);
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conf.setLong("procCumulativeCpuTime", 1000L);
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conf.setLong("procVirtualMemorySize", 2 * 1024 * 1024 * 1024L);
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conf.setLong("procPhysicalMemorySize", 1024 * 1024 * 1024L);
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conf.setClass(
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org.apache.hadoop.mapreduce.server.tasktracker.TTConfig.TT_RESOURCE_CALCULATOR_PLUGIN,
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DummyResourceCalculatorPlugin.class, ResourceCalculatorPlugin.class);
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conf.setLong(DummyResourceCalculatorPlugin.MAXVMEM_TESTING_PROPERTY,
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4 * 1024 * 1024 * 1024L);
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conf.setLong(DummyResourceCalculatorPlugin.MAXPMEM_TESTING_PROPERTY,
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2 * 1024 * 1024 * 1024L);
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conf.setLong(MRConfig.MAPMEMORY_MB, 512L);
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conf.setLong(MRConfig.REDUCEMEMORY_MB, 1024L);
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conf.setLong(DummyResourceCalculatorPlugin.CUMULATIVE_CPU_TIME, 10000L);
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conf.setLong(DummyResourceCalculatorPlugin.CPU_FREQUENCY, 2000000L);
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conf.setInt(DummyResourceCalculatorPlugin.NUM_PROCESSORS, 8);
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conf.setFloat(DummyResourceCalculatorPlugin.CPU_USAGE, 15.5F);
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try {
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setUpCluster(conf);
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JobConf jobConf = miniMRCluster.createJobConf();
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jobConf.setMemoryForMapTask(1 * 1024L);
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jobConf.setMemoryForReduceTask(2 * 1024L);
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jobConf.setClass(
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org.apache.hadoop.mapreduce.server.tasktracker.TTConfig.TT_RESOURCE_CALCULATOR_PLUGIN,
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DummyResourceCalculatorPlugin.class, ResourceCalculatorPlugin.class);
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jobConf.setLong(DummyResourceCalculatorPlugin.PROC_CUMULATIVE_CPU_TIME, 1000L);
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jobConf.setLong(DummyResourceCalculatorPlugin.PROC_VMEM_TESTING_PROPERTY,
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2 * 1024 * 1024 * 1024L);
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jobConf.setLong(DummyResourceCalculatorPlugin.PROC_PMEM_TESTING_PROPERTY,
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1024 * 1024 * 1024L);
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runSleepJob(jobConf);
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verifyTestResults();
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} finally {
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tearDownCluster();
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}
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}
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/**
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* Test that verifies that total memory values are calculated and reported
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* correctly.
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*
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* @throws Exception
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*/
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@Test
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public void testResourceValuesOnLinux()
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throws Exception {
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if (!System.getProperty("os.name").startsWith("Linux")) {
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return;
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}
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JobConf conf = new JobConf();
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LinuxResourceCalculatorPlugin plugin = new LinuxResourceCalculatorPlugin();
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// In this case, we only check these three fields because they are static
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conf.setLong("totalVmemOnTT", plugin.getVirtualMemorySize());
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conf.setLong("totalPmemOnTT", plugin.getPhysicalMemorySize());
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conf.setLong("numProcessors", plugin.getNumProcessors());
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try {
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setUpCluster(conf);
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runSleepJob(miniMRCluster.createJobConf());
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verifyTestResults(true);
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} finally {
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tearDownCluster();
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}
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}
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private void setUpCluster(JobConf conf)
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throws Exception {
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conf.setClass(JTConfig.JT_TASK_SCHEDULER,
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TestTTResourceReporting.FakeTaskScheduler.class, TaskScheduler.class);
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conf.set(JTConfig.JT_IPC_HANDLER_COUNT, "1");
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miniMRCluster = new MiniMRCluster(1, "file:///", 3, null, null, conf);
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}
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private void runSleepJob(JobConf conf) throws Exception {
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String[] args = { "-m", "1", "-r", "1",
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"-mt", "10", "-rt", "10" };
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ToolRunner.run(conf, new SleepJob(), args);
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}
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private void verifyTestResults() {
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verifyTestResults(false);
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}
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private void verifyTestResults(boolean excludeDynamic) {
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FakeTaskScheduler scheduler =
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(FakeTaskScheduler)miniMRCluster.getJobTrackerRunner().
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getJobTracker().getTaskScheduler();
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assertTrue(scheduler.getFailureMessage(), scheduler.hasTestPassed());
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if (!excludeDynamic) {
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assertTrue(scheduler.getFailureMessage(),
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scheduler.hasDynamicTestPassed());
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}
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}
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@After
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private void tearDownCluster() {
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if (miniMRCluster != null) {
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miniMRCluster.shutdown();
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}
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}
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}
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