/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.map.impl.mapstore.writebehind;
import com.hazelcast.config.Config;
import com.hazelcast.config.MapConfig;
import com.hazelcast.config.MapStoreConfig;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.core.MapStore;
import com.hazelcast.spi.properties.GroupProperty;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.List;
import static com.hazelcast.map.impl.mapstore.writebehind.WriteBehindOnBackupsTest.writeBehindQueueSize;
import static java.util.Arrays.asList;
import static org.junit.Assert.assertEquals;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class WriteBehindFlushTest extends HazelcastTestSupport {
@Test
public void testWriteBehindQueues_flushed_onNodeShutdown() throws Exception {
int nodeCount = 3;
String mapName = randomName();
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(nodeCount);
MapStoreConfig mapStoreConfig = new MapStoreConfig();
final MapStoreWithCounter mapStore = new MapStoreWithCounter<Integer, String>();
mapStoreConfig.setImplementation(mapStore).setWriteDelaySeconds(3000);
Config config = getConfig();
config.getMapConfig(mapName).setBackupCount(0).setMapStoreConfig(mapStoreConfig);
HazelcastInstance member = factory.newHazelcastInstance(config);
factory.newHazelcastInstance(config);
factory.newHazelcastInstance(config);
IMap<Integer, Integer> map = member.getMap(mapName);
for (int i = 0; i < 1000; i++) {
map.put(i, i);
}
factory.shutdownAll();
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
for (int i = 0; i < 1000; i++) {
assertEquals(i, mapStore.store.get(i));
}
}
});
}
@Test
public void testWriteBehindQueues_emptied_onBackupNodes() throws Exception {
int nodeCount = 3;
String mapName = randomName();
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(nodeCount);
MapStoreConfig mapStoreConfig = new MapStoreConfig();
MapStoreWithCounter mapStore = new MapStoreWithCounter<Integer, String>();
mapStoreConfig.setImplementation(mapStore).setWriteDelaySeconds(3000);
Config config = getConfig();
config.setProperty(GroupProperty.MAP_REPLICA_SCHEDULED_TASK_DELAY_SECONDS.getName(), "0");
config.getMapConfig(mapName).setMapStoreConfig(mapStoreConfig);
HazelcastInstance member1 = factory.newHazelcastInstance(config);
HazelcastInstance member2 = factory.newHazelcastInstance(config);
HazelcastInstance member3 = factory.newHazelcastInstance(config);
IMap<Integer, Integer> map = member1.getMap(mapName);
for (int i = 0; i < 1000; i++) {
map.put(i, i);
}
map.flush();
assertWriteBehindQueuesEmpty(mapName, asList(member1, member2, member3));
}
@Test
public void testFlush_shouldNotCause_concurrentStoreOperation() throws Exception {
int blockStoreOperationSeconds = 5;
TemporaryBlockerMapStore store = new TemporaryBlockerMapStore(blockStoreOperationSeconds);
Config config = newMapStoredConfig(store, 2000);
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory();
HazelcastInstance instance = factory.newHazelcastInstance(config);
factory.newHazelcastInstance(config);
factory.newHazelcastInstance(config);
IMap<String, String> map = instance.getMap("default");
int numberOfPuts = 1000;
for (int i = 0; i < numberOfPuts; i++) {
map.put(i + "", i + "");
}
map.flush();
assertEquals("Expecting " + numberOfPuts + " store after flush", numberOfPuts, store.getStoreOperationCount());
}
@Test
public void testWriteBehindQueues_flushed_uponEviction() throws Exception {
int nodeCount = 3;
String mapName = randomName();
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(nodeCount);
MapStoreConfig mapStoreConfig = new MapStoreConfig();
final MapStoreWithCounter mapStore = new MapStoreWithCounter<Integer, String>();
mapStoreConfig.setImplementation(mapStore).setWriteDelaySeconds(3000);
Config config = getConfig();
config.getMapConfig(mapName).setMapStoreConfig(mapStoreConfig);
HazelcastInstance node1 = factory.newHazelcastInstance(config);
HazelcastInstance node2 = factory.newHazelcastInstance(config);
HazelcastInstance node3 = factory.newHazelcastInstance(config);
IMap<Integer, Integer> map = node1.getMap(mapName);
for (int i = 0; i < 1000; i++) {
map.put(i, i);
}
for (int i = 0; i < 1000; i++) {
map.evict(i);
}
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(1000, mapStore.countStore.get());
}
});
assertWriteBehindQueuesEmpty(mapName, asList(node1, node2, node3));
}
private Config newMapStoredConfig(MapStore store, int writeDelaySeconds) {
MapStoreConfig mapStoreConfig = new MapStoreConfig();
mapStoreConfig.setEnabled(true);
mapStoreConfig.setWriteDelaySeconds(writeDelaySeconds);
mapStoreConfig.setImplementation(store);
Config config = getConfig();
MapConfig mapConfig = config.getMapConfig("default");
mapConfig.setMapStoreConfig(mapStoreConfig);
return config;
}
public static void assertWriteBehindQueuesEmpty(final String mapName, final List<HazelcastInstance> nodes) {
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
for (HazelcastInstance instance : nodes) {
assertEquals(0, writeBehindQueueSize(instance, mapName));
}
}
}, 240);
}
}