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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
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package org.apache.brooklyn.core.test.qa.performance;
import java.util.List;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.apache.brooklyn.api.entity.EntitySpec;
import org.apache.brooklyn.api.location.LocationSpec;
import org.apache.brooklyn.api.policy.Policy;
import org.apache.brooklyn.api.policy.PolicySpec;
import org.apache.brooklyn.core.location.SimulatedLocation;
import org.apache.brooklyn.core.mgmt.rebind.RebindTestFixtureWithApp;
import org.apache.brooklyn.core.test.entity.TestEntity;
import org.apache.brooklyn.core.test.policy.TestPolicy;
import org.apache.brooklyn.test.PerformanceTestUtils;
import org.apache.brooklyn.util.repeat.Repeater;
import org.apache.brooklyn.util.time.Duration;
import org.testng.annotations.Test;
import com.google.common.base.Predicates;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.common.util.concurrent.Callables;
public class EntityPersistencePerformanceTest extends RebindTestFixtureWithApp {
// TODO Not measuring performance per cycle; just looking at CPU usage during test
protected int getPersistPeriodMillis() {
return 1000;
}
@Test(groups="Integration")
public void testManyEntities() throws Exception {
final int NUM_ENTITIES = 100;
final Duration TEST_LENGTH = Duration.of(60, TimeUnit.SECONDS);
final Duration REPEAT_EVERY = Duration.of(500, TimeUnit.MILLISECONDS);
run(NUM_ENTITIES, TEST_LENGTH, REPEAT_EVERY, "manyEntities");
}
@Test(groups="Integration")
public void testRapidChanges() throws Exception {
final int NUM_ENTITIES = 10;
final Duration TEST_LENGTH = Duration.of(60, TimeUnit.SECONDS);
final Duration REPEAT_EVERY = Duration.of(10, TimeUnit.MILLISECONDS);
run(NUM_ENTITIES, TEST_LENGTH, REPEAT_EVERY, "rapidChanges");
}
protected void run(int numEntities, Duration testLength, Duration repeatEvery, String loggingContext) throws Exception {
final List<TestEntity> entities = Lists.newArrayList();
final List<SimulatedLocation> locs = Lists.newArrayList();
for (int i = 0; i < numEntities; i++) {
TestEntity entity = origApp.createAndManageChild(EntitySpec.create(TestEntity.class));
entity.policies().add(PolicySpec.create(TestPolicy.class));
SimulatedLocation loc = origManagementContext.getLocationManager().createLocation(LocationSpec.create(SimulatedLocation.class));
entities.add(entity);
locs.add(loc);
}
Future<?> future = PerformanceTestUtils.sampleProcessCpuTime(Duration.ONE_SECOND, "during "+loggingContext);
try {
Repeater.create()
.every(repeatEvery)
.repeat(new Runnable() {
int i = 0;
public void run() {
for (TestEntity entity : entities) {
entity.sensors().set(TestEntity.SEQUENCE, i++);
Policy policy = Iterables.find(entity.policies(), Predicates.instanceOf(TestPolicy.class));
policy.config().set(TestPolicy.CONF_NAME, "name-"+i);
}
}})
.limitTimeTo(testLength)
.until(Callables.returning(false))
.run();
} finally {
future.cancel(true);
}
}
}