/**
* 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.hadoop.yarn.server.applicationhistoryservice;
import java.io.IOException;
import org.junit.Assert;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.server.applicationhistoryservice.records.ApplicationAttemptHistoryData;
import org.apache.hadoop.yarn.server.applicationhistoryservice.records.ApplicationHistoryData;
import org.apache.hadoop.yarn.server.applicationhistoryservice.records.ContainerHistoryData;
import org.junit.Before;
import org.junit.Test;
public class TestMemoryApplicationHistoryStore extends
ApplicationHistoryStoreTestUtils {
@Before
public void setup() {
store = new MemoryApplicationHistoryStore();
}
@Test
public void testReadWriteApplicationHistory() throws Exception {
// Out of order
ApplicationId appId = ApplicationId.newInstance(0, 1);
try {
writeApplicationFinishData(appId);
Assert.fail();
} catch (IOException e) {
Assert.assertTrue(e.getMessage().contains(
"is stored before the start information"));
}
// Normal
int numApps = 5;
for (int i = 1; i <= numApps; ++i) {
appId = ApplicationId.newInstance(0, i);
writeApplicationStartData(appId);
writeApplicationFinishData(appId);
}
Assert.assertEquals(numApps, store.getAllApplications().size());
for (int i = 1; i <= numApps; ++i) {
appId = ApplicationId.newInstance(0, i);
ApplicationHistoryData data = store.getApplication(appId);
Assert.assertNotNull(data);
Assert.assertEquals(appId.toString(), data.getApplicationName());
Assert.assertEquals(appId.toString(), data.getDiagnosticsInfo());
}
// Write again
appId = ApplicationId.newInstance(0, 1);
try {
writeApplicationStartData(appId);
Assert.fail();
} catch (IOException e) {
Assert.assertTrue(e.getMessage().contains("is already stored"));
}
try {
writeApplicationFinishData(appId);
Assert.fail();
} catch (IOException e) {
Assert.assertTrue(e.getMessage().contains("is already stored"));
}
}
@Test
public void testReadWriteApplicationAttemptHistory() throws Exception {
// Out of order
ApplicationId appId = ApplicationId.newInstance(0, 1);
ApplicationAttemptId appAttemptId =
ApplicationAttemptId.newInstance(appId, 1);
try {
writeApplicationAttemptFinishData(appAttemptId);
Assert.fail();
} catch (IOException e) {
Assert.assertTrue(e.getMessage().contains(
"is stored before the start information"));
}
// Normal
int numAppAttempts = 5;
writeApplicationStartData(appId);
for (int i = 1; i <= numAppAttempts; ++i) {
appAttemptId = ApplicationAttemptId.newInstance(appId, i);
writeApplicationAttemptStartData(appAttemptId);
writeApplicationAttemptFinishData(appAttemptId);
}
Assert.assertEquals(numAppAttempts, store.getApplicationAttempts(appId)
.size());
for (int i = 1; i <= numAppAttempts; ++i) {
appAttemptId = ApplicationAttemptId.newInstance(appId, i);
ApplicationAttemptHistoryData data =
store.getApplicationAttempt(appAttemptId);
Assert.assertNotNull(data);
Assert.assertEquals(appAttemptId.toString(), data.getHost());
Assert.assertEquals(appAttemptId.toString(), data.getDiagnosticsInfo());
}
writeApplicationFinishData(appId);
// Write again
appAttemptId = ApplicationAttemptId.newInstance(appId, 1);
try {
writeApplicationAttemptStartData(appAttemptId);
Assert.fail();
} catch (IOException e) {
Assert.assertTrue(e.getMessage().contains("is already stored"));
}
try {
writeApplicationAttemptFinishData(appAttemptId);
Assert.fail();
} catch (IOException e) {
Assert.assertTrue(e.getMessage().contains("is already stored"));
}
}
@Test
public void testReadWriteContainerHistory() throws Exception {
// Out of order
ApplicationId appId = ApplicationId.newInstance(0, 1);
ApplicationAttemptId appAttemptId =
ApplicationAttemptId.newInstance(appId, 1);
ContainerId containerId = ContainerId.newInstance(appAttemptId, 1);
try {
writeContainerFinishData(containerId);
Assert.fail();
} catch (IOException e) {
Assert.assertTrue(e.getMessage().contains(
"is stored before the start information"));
}
// Normal
writeApplicationAttemptStartData(appAttemptId);
int numContainers = 5;
for (int i = 1; i <= numContainers; ++i) {
containerId = ContainerId.newInstance(appAttemptId, i);
writeContainerStartData(containerId);
writeContainerFinishData(containerId);
}
Assert
.assertEquals(numContainers, store.getContainers(appAttemptId).size());
for (int i = 1; i <= numContainers; ++i) {
containerId = ContainerId.newInstance(appAttemptId, i);
ContainerHistoryData data = store.getContainer(containerId);
Assert.assertNotNull(data);
Assert.assertEquals(Priority.newInstance(containerId.getId()),
data.getPriority());
Assert.assertEquals(containerId.toString(), data.getDiagnosticsInfo());
}
ContainerHistoryData masterContainer = store.getAMContainer(appAttemptId);
Assert.assertNotNull(masterContainer);
Assert.assertEquals(ContainerId.newInstance(appAttemptId, 1),
masterContainer.getContainerId());
writeApplicationAttemptFinishData(appAttemptId);
// Write again
containerId = ContainerId.newInstance(appAttemptId, 1);
try {
writeContainerStartData(containerId);
Assert.fail();
} catch (IOException e) {
Assert.assertTrue(e.getMessage().contains("is already stored"));
}
try {
writeContainerFinishData(containerId);
Assert.fail();
} catch (IOException e) {
Assert.assertTrue(e.getMessage().contains("is already stored"));
}
}
@Test
public void testMassiveWriteContainerHistory() throws IOException {
long mb = 1024 * 1024;
Runtime runtime = Runtime.getRuntime();
long usedMemoryBefore = (runtime.totalMemory() - runtime.freeMemory()) / mb;
int numContainers = 100000;
ApplicationId appId = ApplicationId.newInstance(0, 1);
ApplicationAttemptId appAttemptId =
ApplicationAttemptId.newInstance(appId, 1);
for (int i = 1; i <= numContainers; ++i) {
ContainerId containerId = ContainerId.newInstance(appAttemptId, i);
writeContainerStartData(containerId);
writeContainerFinishData(containerId);
}
long usedMemoryAfter = (runtime.totalMemory() - runtime.freeMemory()) / mb;
Assert.assertTrue((usedMemoryAfter - usedMemoryBefore) < 200);
}
}