forked from voldemort/voldemort
/
AbstractRebalanceTest.java
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/
AbstractRebalanceTest.java
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/*
* Copyright 2008-2012 LinkedIn, Inc
*
* 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 voldemort.client.rebalance;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.fail;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.commons.io.FileUtils;
import org.apache.log4j.Logger;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import voldemort.ServerTestUtils;
import voldemort.TestUtils;
import voldemort.client.ClientConfig;
import voldemort.client.DefaultStoreClient;
import voldemort.client.RoutingTier;
import voldemort.client.SocketStoreClientFactory;
import voldemort.client.StoreClient;
import voldemort.client.protocol.RequestFormatType;
import voldemort.client.protocol.admin.AdminClient;
import voldemort.cluster.Cluster;
import voldemort.cluster.Node;
import voldemort.routing.RoutingStrategy;
import voldemort.routing.RoutingStrategyFactory;
import voldemort.routing.RoutingStrategyType;
import voldemort.serialization.SerializerDefinition;
import voldemort.serialization.json.JsonReader;
import voldemort.store.Store;
import voldemort.store.StoreDefinition;
import voldemort.store.StoreDefinitionBuilder;
import voldemort.store.UnreachableStoreException;
import voldemort.store.bdb.BdbStorageConfiguration;
import voldemort.store.metadata.MetadataStore;
import voldemort.store.readonly.JsonStoreBuilder;
import voldemort.store.readonly.ReadOnlyStorageConfiguration;
import voldemort.store.readonly.ReadOnlyStorageEngineTestInstance;
import voldemort.store.readonly.ReadOnlyStorageFormat;
import voldemort.store.readonly.swapper.AdminStoreSwapper;
import voldemort.store.socket.SocketStoreFactory;
import voldemort.store.socket.clientrequest.ClientRequestExecutorPool;
import voldemort.utils.ByteArray;
import voldemort.utils.ByteUtils;
import voldemort.utils.KeyLocationValidation;
import voldemort.utils.Pair;
import voldemort.utils.RebalanceUtils;
import voldemort.utils.Utils;
import voldemort.versioning.ObsoleteVersionException;
import voldemort.versioning.VectorClock;
import voldemort.versioning.Versioned;
import voldemort.xml.StoreDefinitionsMapper;
import com.google.common.collect.Lists;
public abstract class AbstractRebalanceTest {
private static final Logger logger = Logger.getLogger(AbstractRebalanceTest.class.getName());
protected static int NUM_KEYS = 20;
protected static int NUM_RO_CHUNKS_PER_BUCKET = 10;
protected static String testStoreNameRW = "test";
protected static String testStoreNameRW2 = "test2";
protected static String testStoreNameRO = "test-ro";
protected static String storeDefFileWithoutReplication;
protected static String storeDefFileWithReplication;
protected static String roStoreDefFileWithReplication;
protected static String rwStoreDefFileWithReplication;
protected static String rwTwoStoreDefFileWithReplication;
private List<StoreDefinition> storeDefWithoutReplication;
private List<StoreDefinition> storeDefWithReplication;
private StoreDefinition roStoreDefWithoutReplication;
private StoreDefinition rwStoreDefWithoutReplication;
private StoreDefinition roStoreDefWithReplication;
private StoreDefinition rwStoreDefWithReplication;
private StoreDefinition rwStoreDefWithReplication2;
protected SocketStoreFactory socketStoreFactory;
HashMap<String, String> testEntries;
@Before
public void setUp() throws IOException {
testEntries = ServerTestUtils.createRandomKeyValueString(getNumKeys());
socketStoreFactory = new ClientRequestExecutorPool(2, 10000, 100000, 32 * 1024);
// First without replication
roStoreDefWithoutReplication = new StoreDefinitionBuilder().setName(testStoreNameRO)
.setType(ReadOnlyStorageConfiguration.TYPE_NAME)
.setKeySerializer(new SerializerDefinition("string"))
.setValueSerializer(new SerializerDefinition("string"))
.setRoutingPolicy(RoutingTier.SERVER)
.setRoutingStrategyType(RoutingStrategyType.CONSISTENT_STRATEGY)
.setReplicationFactor(1)
.setPreferredReads(1)
.setRequiredReads(1)
.setPreferredWrites(1)
.setRequiredWrites(1)
.build();
rwStoreDefWithoutReplication = new StoreDefinitionBuilder().setName(testStoreNameRW)
.setType(BdbStorageConfiguration.TYPE_NAME)
.setKeySerializer(new SerializerDefinition("string"))
.setValueSerializer(new SerializerDefinition("string"))
.setRoutingPolicy(RoutingTier.SERVER)
.setRoutingStrategyType(RoutingStrategyType.CONSISTENT_STRATEGY)
.setReplicationFactor(1)
.setPreferredReads(1)
.setRequiredReads(1)
.setPreferredWrites(1)
.setRequiredWrites(1)
.build();
storeDefWithoutReplication = Lists.newArrayList(roStoreDefWithoutReplication,
rwStoreDefWithoutReplication);
String storeDefWithoutReplicationString = new StoreDefinitionsMapper().writeStoreList(storeDefWithoutReplication);
File file = File.createTempFile("two-stores-", ".xml");
FileUtils.writeStringToFile(file, storeDefWithoutReplicationString);
storeDefFileWithoutReplication = file.getAbsolutePath();
// Now with replication
roStoreDefWithReplication = new StoreDefinitionBuilder().setName(testStoreNameRO)
.setType(ReadOnlyStorageConfiguration.TYPE_NAME)
.setKeySerializer(new SerializerDefinition("string"))
.setValueSerializer(new SerializerDefinition("string"))
.setRoutingPolicy(RoutingTier.SERVER)
.setRoutingStrategyType(RoutingStrategyType.CONSISTENT_STRATEGY)
.setReplicationFactor(2)
.setPreferredReads(1)
.setRequiredReads(1)
.setPreferredWrites(1)
.setRequiredWrites(1)
.build();
file = File.createTempFile("ro-stores-", ".xml");
FileUtils.writeStringToFile(file,
new StoreDefinitionsMapper().writeStoreList(Lists.newArrayList(roStoreDefWithReplication)));
roStoreDefFileWithReplication = file.getAbsolutePath();
rwStoreDefWithReplication = new StoreDefinitionBuilder().setName(testStoreNameRW)
.setType(BdbStorageConfiguration.TYPE_NAME)
.setKeySerializer(new SerializerDefinition("string"))
.setValueSerializer(new SerializerDefinition("string"))
.setRoutingPolicy(RoutingTier.SERVER)
.setRoutingStrategyType(RoutingStrategyType.CONSISTENT_STRATEGY)
.setReplicationFactor(2)
.setPreferredReads(1)
.setRequiredReads(1)
.setPreferredWrites(1)
.setRequiredWrites(1)
.build();
rwStoreDefWithReplication2 = new StoreDefinitionBuilder().setName(testStoreNameRW2)
.setType(BdbStorageConfiguration.TYPE_NAME)
.setKeySerializer(new SerializerDefinition("string"))
.setValueSerializer(new SerializerDefinition("string"))
.setRoutingPolicy(RoutingTier.SERVER)
.setRoutingStrategyType(RoutingStrategyType.CONSISTENT_STRATEGY)
.setReplicationFactor(2)
.setPreferredReads(1)
.setRequiredReads(1)
.setPreferredWrites(1)
.setRequiredWrites(1)
.build();
file = File.createTempFile("rw-stores-", ".xml");
FileUtils.writeStringToFile(file,
new StoreDefinitionsMapper().writeStoreList(Lists.newArrayList(rwStoreDefWithReplication)));
rwStoreDefFileWithReplication = file.getAbsolutePath();
file = File.createTempFile("rw-two-stores-", ".xml");
FileUtils.writeStringToFile(file,
new StoreDefinitionsMapper().writeStoreList(Lists.newArrayList(rwStoreDefWithReplication,
rwStoreDefWithReplication2)));
rwTwoStoreDefFileWithReplication = file.getAbsolutePath();
storeDefWithReplication = Lists.newArrayList(roStoreDefWithReplication,
rwStoreDefWithReplication);
String storeDefWithReplicationString = new StoreDefinitionsMapper().writeStoreList(storeDefWithReplication);
file = File.createTempFile("two-stores-", ".xml");
FileUtils.writeStringToFile(file, storeDefWithReplicationString);
storeDefFileWithReplication = file.getAbsolutePath();
}
@After
public void tearDown() {
testEntries.clear();
testEntries = null;
socketStoreFactory.close();
socketStoreFactory = null;
}
protected abstract Cluster startServers(Cluster cluster,
String StoreDefXmlFile,
List<Integer> nodeToStart,
Map<String, String> configProps) throws Exception;
protected abstract void stopServer(List<Integer> nodesToStop) throws Exception;
protected Cluster updateCluster(Cluster template) {
return template;
}
protected Store<ByteArray, byte[], byte[]> getSocketStore(String storeName,
String host,
int port) {
return getSocketStore(storeName, host, port, false);
}
protected Store<ByteArray, byte[], byte[]> getSocketStore(String storeName,
String host,
int port,
boolean isRouted) {
return ServerTestUtils.getSocketStore(socketStoreFactory,
storeName,
host,
port,
RequestFormatType.PROTOCOL_BUFFERS,
isRouted);
}
protected abstract Cluster getCurrentCluster(int nodeId);
protected abstract MetadataStore.VoldemortState getCurrentState(int nodeId);
protected abstract boolean useDonorBased();
public void checkConsistentMetadata(Cluster targetCluster, List<Integer> serverList) {
for(int nodeId: serverList) {
assertEquals(targetCluster, getCurrentCluster(nodeId));
assertEquals(MetadataStore.VoldemortState.NORMAL_SERVER, getCurrentState(nodeId));
}
}
protected int getNumKeys() {
return NUM_KEYS;
}
@Test(timeout = 600000)
public void testRORWRebalance() throws Exception {
logger.info("Starting testRORWRebalance");
Cluster currentCluster = ServerTestUtils.getLocalCluster(2, new int[][] {
{ 0, 1, 2, 3, 4, 5, 6, 7, 8 }, {} });
Cluster targetCluster = RebalanceUtils.createUpdatedCluster(currentCluster,
1,
Lists.newArrayList(2, 3));
// start servers 0 , 1 only
List<Integer> serverList = Arrays.asList(0, 1);
Map<String, String> configProps = new HashMap<String, String>();
configProps.put("admin.max.threads", "50");
currentCluster = startServers(currentCluster,
storeDefFileWithoutReplication,
serverList,
configProps);
// Update the cluster information based on the node information
targetCluster = updateCluster(targetCluster);
RebalanceClientConfig config = new RebalanceClientConfig();
config.setDeleteAfterRebalancingEnabled(true);
RebalanceController rebalanceClient = new RebalanceController(getBootstrapUrl(currentCluster,
0),
config);
try {
// Populate the two stores
populateData(currentCluster,
roStoreDefWithoutReplication,
rebalanceClient.getAdminClient(),
true);
populateData(currentCluster,
rwStoreDefWithoutReplication,
rebalanceClient.getAdminClient(),
false);
rebalanceAndCheck(currentCluster,
targetCluster,
storeDefWithoutReplication,
rebalanceClient,
Arrays.asList(1));
checkConsistentMetadata(targetCluster, serverList);
} finally {
// stop servers
stopServer(serverList);
}
}
@Test(timeout = 600000)
public void testRORWRebalanceWithReplication() throws Exception {
logger.info("Starting testRORWRebalanceWithReplication");
Cluster currentCluster = ServerTestUtils.getLocalCluster(2, new int[][] {
{ 0, 1, 2, 3, 4, 5, 6 }, { 7, 8 } });
Cluster targetCluster = RebalanceUtils.createUpdatedCluster(currentCluster,
1,
Lists.newArrayList(2, 3));
// start servers 0 , 1 only
List<Integer> serverList = Arrays.asList(0, 1);
Map<String, String> configProps = new HashMap<String, String>();
configProps.put("admin.max.threads", "50");
currentCluster = startServers(currentCluster,
storeDefFileWithReplication,
serverList,
configProps);
// Update the cluster information based on the node information
targetCluster = updateCluster(targetCluster);
RebalanceClientConfig config = new RebalanceClientConfig();
config.setDeleteAfterRebalancingEnabled(true);
RebalanceController rebalanceClient = new RebalanceController(getBootstrapUrl(currentCluster,
0),
config);
try {
// Populate the two stores
populateData(currentCluster,
roStoreDefWithReplication,
rebalanceClient.getAdminClient(),
true);
populateData(currentCluster,
rwStoreDefWithReplication,
rebalanceClient.getAdminClient(),
false);
rebalanceAndCheck(currentCluster,
targetCluster,
storeDefWithReplication,
rebalanceClient,
Arrays.asList(0, 1));
checkConsistentMetadata(targetCluster, serverList);
} finally {
// stop servers
stopServer(serverList);
}
}
@Test(timeout = 600000)
public void testRORebalanceWithReplication() throws Exception {
logger.info("Starting testRORebalanceWithReplication");
Cluster currentCluster = ServerTestUtils.getLocalCluster(2, new int[][] {
{ 0, 1, 2, 3, 4, 5, 6 }, { 7, 8 } });
Cluster targetCluster = RebalanceUtils.createUpdatedCluster(currentCluster,
1,
Lists.newArrayList(2, 3));
// start servers 0 , 1 only
List<Integer> serverList = Arrays.asList(0, 1);
// If this test fails, consider increasing the number of admin threads.
// In particular, if this test fails by RejectedExecutionHandler in
// SocketServer.java fires with an error message like the following:
// "[18:46:32,994 voldemort.server.socket.SocketServer[admin-server]]
// ERROR Too many open connections, 20 of 20 threads in use, denying
// connection from /127.0.0.1:43756 [Thread-552]". Note, this issues
// seems to only affect ThreadPoolBasedNonblockingStoreImpl tests rather
// than Nio-based tests.
Map<String, String> configProps = new HashMap<String, String>();
configProps.put("admin.max.threads", "50");
currentCluster = startServers(currentCluster,
roStoreDefFileWithReplication,
serverList,
configProps);
// Update the cluster information based on the node information
targetCluster = updateCluster(targetCluster);
RebalanceClientConfig config = new RebalanceClientConfig();
config.setDeleteAfterRebalancingEnabled(true);
RebalanceController rebalanceClient = new RebalanceController(getBootstrapUrl(currentCluster,
0),
config);
try {
populateData(currentCluster,
roStoreDefWithReplication,
rebalanceClient.getAdminClient(),
true);
rebalanceAndCheck(currentCluster,
targetCluster,
Lists.newArrayList(roStoreDefWithReplication),
rebalanceClient,
Arrays.asList(0, 1));
checkConsistentMetadata(targetCluster, serverList);
} finally {
// stop servers
stopServer(serverList);
}
}
@Test(timeout = 600000)
public void testRWRebalanceWithReplication() throws Exception {
logger.info("Starting testRWRebalanceWithReplication");
Cluster currentCluster = ServerTestUtils.getLocalCluster(2, new int[][] {
{ 0, 1, 2, 3, 4, 5, 6 }, { 7, 8 } });
Cluster targetCluster = RebalanceUtils.createUpdatedCluster(currentCluster,
1,
Lists.newArrayList(2, 3));
// start servers 0 , 1 only
List<Integer> serverList = Arrays.asList(0, 1);
currentCluster = startServers(currentCluster,
rwStoreDefFileWithReplication,
serverList,
null);
// Update the cluster information based on the node information
targetCluster = updateCluster(targetCluster);
RebalanceClientConfig config = new RebalanceClientConfig();
config.setDeleteAfterRebalancingEnabled(true);
config.setStealerBasedRebalancing(!useDonorBased());
RebalanceController rebalanceClient = new RebalanceController(getBootstrapUrl(currentCluster,
0),
config);
try {
populateData(currentCluster,
rwStoreDefWithReplication,
rebalanceClient.getAdminClient(),
false);
rebalanceAndCheck(currentCluster,
targetCluster,
Lists.newArrayList(rwStoreDefWithReplication),
rebalanceClient,
Arrays.asList(0, 1));
checkConsistentMetadata(targetCluster, serverList);
} finally {
// stop servers
stopServer(serverList);
}
}
@Test(timeout = 600000)
public void testRebalanceCleanPrimary() throws Exception {
logger.info("Starting testRebalanceCleanPrimary");
Cluster currentCluster = ServerTestUtils.getLocalCluster(3, new int[][] { { 0 }, { 1, 3 },
{ 2 } });
Cluster targetCluster = RebalanceUtils.createUpdatedCluster(currentCluster,
2,
Lists.newArrayList(3));
// start servers 0 , 1, 2
Map<String, String> configProps = new HashMap<String, String>();
configProps.put("enable.repair", "true");
List<Integer> serverList = Arrays.asList(0, 1, 2);
currentCluster = startServers(currentCluster,
rwStoreDefFileWithReplication,
serverList,
configProps);
// Update the cluster information based on the node information
targetCluster = updateCluster(targetCluster);
RebalanceClientConfig config = new RebalanceClientConfig();
config.setDeleteAfterRebalancingEnabled(false);
RebalanceController rebalanceClient = new RebalanceController(getBootstrapUrl(currentCluster,
0),
config);
try {
populateData(currentCluster,
rwStoreDefWithReplication,
rebalanceClient.getAdminClient(),
false);
// Figure out the positive and negative keys to check
ByteArray[] checkKeysNegative = new ByteArray[20];
List<Integer> movedPartitions = new ArrayList<Integer>();
movedPartitions.add(3);
AdminClient admin = rebalanceClient.getAdminClient();
Iterator<ByteArray> keys = null;
keys = admin.fetchKeys(1,
rwStoreDefWithReplication.getName(),
movedPartitions,
null,
false);
int keyIndex = 0;
while(keys.hasNext() && keyIndex < 20) {
checkKeysNegative[keyIndex++] = keys.next();
}
ByteArray[] checkKeysPositive = new ByteArray[20];
List<Integer> stablePartitions = new ArrayList<Integer>();
stablePartitions.add(1);
Iterator<ByteArray> keys2 = null;
keys2 = admin.fetchKeys(1,
rwStoreDefWithReplication.getName(),
stablePartitions,
null,
false);
int keyIndex2 = 0;
while(keys2.hasNext() && keyIndex2 < 20) {
checkKeysPositive[keyIndex2++] = keys2.next();
}
rebalanceAndCheck(currentCluster,
targetCluster,
Lists.newArrayList(rwStoreDefWithReplication),
rebalanceClient,
Arrays.asList(0, 1, 2));
checkConsistentMetadata(targetCluster, serverList);
// Do the cleanup operation
for(int i = 0; i < 3; i++) {
admin.repairJob(i);
}
boolean cleanNode = true;
for(int i = 0; i < keyIndex; i++) {
KeyLocationValidation val = new KeyLocationValidation(targetCluster,
1,
rwStoreDefWithReplication,
checkKeysNegative[i]);
if(!val.validate(false))
cleanNode = false;
}
for(int i = 0; i < keyIndex2; i++) {
KeyLocationValidation val = new KeyLocationValidation(targetCluster,
1,
rwStoreDefWithReplication,
checkKeysPositive[i]);
if(!val.validate(true))
cleanNode = false;
}
if(cleanNode)
System.out.println("[Primary] Successful clean after Rebalancing");
else
System.out.println("[Primary] Rebalancing not clean");
} finally {
// stop servers
stopServer(serverList);
}
}
@Test(timeout = 600000)
public void testRebalanceCleanSecondary() throws Exception {
logger.info("Starting testRebalanceCleanSecondary");
Cluster currentCluster = ServerTestUtils.getLocalCluster(3, new int[][] { { 0, 3 }, { 1 },
{ 2 } });
Cluster targetCluster = RebalanceUtils.createUpdatedCluster(currentCluster,
2,
Lists.newArrayList(3));
// start servers 0 , 1, 2
Map<String, String> configProps = new HashMap<String, String>();
configProps.put("enable.repair", "true");
List<Integer> serverList = Arrays.asList(0, 1, 2);
currentCluster = startServers(currentCluster,
rwStoreDefFileWithReplication,
serverList,
configProps);
// Update the cluster information based on the node information
targetCluster = updateCluster(targetCluster);
RebalanceClientConfig config = new RebalanceClientConfig();
config.setDeleteAfterRebalancingEnabled(false);
RebalanceController rebalanceClient = new RebalanceController(getBootstrapUrl(currentCluster,
0),
config);
try {
populateData(currentCluster,
rwStoreDefWithReplication,
rebalanceClient.getAdminClient(),
false);
// Figure out the positive and negative keys to check
ByteArray[] checkKeysNegative = new ByteArray[20];
List<Integer> movedPartitions = new ArrayList<Integer>();
movedPartitions.add(3);
AdminClient admin = rebalanceClient.getAdminClient();
Iterator<ByteArray> keys = null;
keys = admin.fetchKeys(1,
rwStoreDefWithReplication.getName(),
movedPartitions,
null,
false);
int keyIndex = 0;
while(keys.hasNext() && keyIndex < 20) {
checkKeysNegative[keyIndex++] = keys.next();
}
ByteArray[] checkKeysPositive = new ByteArray[20];
List<Integer> stablePartitions = new ArrayList<Integer>();
stablePartitions.add(3);
Iterator<ByteArray> keys2 = null;
keys2 = admin.fetchKeys(0,
rwStoreDefWithReplication.getName(),
stablePartitions,
null,
false);
int keyIndex2 = 0;
while(keys2.hasNext() && keyIndex2 < 20) {
checkKeysPositive[keyIndex2++] = keys2.next();
}
rebalanceAndCheck(currentCluster,
targetCluster,
Lists.newArrayList(rwStoreDefWithReplication),
rebalanceClient,
Arrays.asList(0, 1, 2));
checkConsistentMetadata(targetCluster, serverList);
// Do the cleanup operation
for(int i = 0; i < 3; i++) {
admin.repairJob(i);
}
boolean cleanNode = true;
for(int i = 0; i < keyIndex; i++) {
KeyLocationValidation val = new KeyLocationValidation(targetCluster,
1,
rwStoreDefWithReplication,
checkKeysNegative[i]);
if(!val.validate(false))
cleanNode = false;
}
for(int i = 0; i < keyIndex2; i++) {
KeyLocationValidation val = new KeyLocationValidation(targetCluster,
0,
rwStoreDefWithReplication,
checkKeysPositive[i]);
if(!val.validate(true))
cleanNode = false;
}
if(cleanNode)
System.out.println("[Secondary] Successful clean after Rebalancing");
else
System.out.println("[Secondary] Rebalancing not clean");
} finally {
// stop servers
stopServer(serverList);
}
}
@Test(timeout = 600000)
public void testRWRebalanceFourNodes() throws Exception {
logger.info("Starting testRWRebalanceFourNodes");
Cluster currentCluster = ServerTestUtils.getLocalCluster(4, new int[][] {
{ 0, 1, 4, 7, 9 }, { 2, 3, 5, 6, 8 }, {}, {} });
ArrayList<Node> nodes = Lists.newArrayList(currentCluster.getNodes());
int totalPortNum = nodes.size() * 3;
int[] ports = new int[totalPortNum];
for(int i = 0; i < nodes.size(); i++) {
ports[i * 3] = nodes.get(i).getHttpPort();
ports[i * 3 + 1] = nodes.get(i).getSocketPort();
ports[i * 3 + 2] = nodes.get(i).getAdminPort();
}
Cluster targetCluster = ServerTestUtils.getLocalCluster(4, ports, new int[][] {
{ 0, 4, 7 }, { 2, 8 }, { 1, 6 }, { 3, 5, 9 } });
// start servers
List<Integer> serverList = Arrays.asList(0, 1, 2, 3);
currentCluster = startServers(currentCluster,
rwTwoStoreDefFileWithReplication,
serverList,
null);
// Update the cluster information based on the node information
targetCluster = updateCluster(targetCluster);
RebalanceClientConfig config = new RebalanceClientConfig();
config.setDeleteAfterRebalancingEnabled(true);
config.setStealerBasedRebalancing(!useDonorBased());
config.setPrimaryPartitionBatchSize(100);
config.setMaxParallelRebalancing(5);
RebalanceController rebalanceClient = new RebalanceController(getBootstrapUrl(currentCluster,
0),
config);
try {
populateData(currentCluster,
rwStoreDefWithReplication,
rebalanceClient.getAdminClient(),
false);
populateData(currentCluster,
rwStoreDefWithReplication2,
rebalanceClient.getAdminClient(),
false);
rebalanceAndCheck(currentCluster,
targetCluster,
Lists.newArrayList(rwStoreDefWithReplication,
rwStoreDefWithReplication2),
rebalanceClient,
serverList);
checkConsistentMetadata(targetCluster, serverList);
} catch(Exception e) {
fail(e.getMessage());
} finally {
// stop servers
stopServer(serverList);
}
}
@Test(timeout = 600000)
public void testRWRebalanceSerial() throws Exception {
logger.info("Starting testRWRebalanceSerial");
Cluster currentCluster = ServerTestUtils.getLocalCluster(4, new int[][] {
{ 0, 1, 4, 7, 9 }, { 2, 3, 5, 6, 8 }, {}, {} });
ArrayList<Node> nodes = Lists.newArrayList(currentCluster.getNodes());
int totalPortNum = nodes.size() * 3;
int[] ports = new int[totalPortNum];
for(int i = 0; i < nodes.size(); i++) {
ports[i * 3] = nodes.get(i).getHttpPort();
ports[i * 3 + 1] = nodes.get(i).getSocketPort();
ports[i * 3 + 2] = nodes.get(i).getAdminPort();
}
Cluster targetCluster = ServerTestUtils.getLocalCluster(4, ports, new int[][] {
{ 0, 4, 7 }, { 2, 8 }, { 1, 6 }, { 3, 5, 9 } });
// start servers
Map<String, String> serverProps = new HashMap<String, String>();
serverProps.put("max.parallel.stores.rebalancing", String.valueOf(1));
List<Integer> serverList = Arrays.asList(0, 1, 2, 3);
currentCluster = startServers(currentCluster,
rwTwoStoreDefFileWithReplication,
serverList,
serverProps);
// Update the cluster information based on the node information
targetCluster = updateCluster(targetCluster);
RebalanceClientConfig config = new RebalanceClientConfig();
config.setDeleteAfterRebalancingEnabled(true);
config.setStealerBasedRebalancing(!useDonorBased());
config.setPrimaryPartitionBatchSize(100);
config.setMaxParallelRebalancing(5);
RebalanceController rebalanceClient = new RebalanceController(getBootstrapUrl(currentCluster,
0),
config);
try {
populateData(currentCluster,
rwStoreDefWithReplication,
rebalanceClient.getAdminClient(),
false);
populateData(currentCluster,
rwStoreDefWithReplication2,
rebalanceClient.getAdminClient(),
false);
rebalanceAndCheck(currentCluster,
targetCluster,
Lists.newArrayList(rwStoreDefWithReplication,
rwStoreDefWithReplication2),
rebalanceClient,
serverList);
checkConsistentMetadata(targetCluster, serverList);
} catch(Exception e) {
fail(e.getMessage());
} finally {
// stop servers
stopServer(serverList);
}
}
@Test(timeout = 600000)
public void testProxyGetDuringRebalancing() throws Exception {
logger.info("Starting testProxyGetDuringRebalancing");
final Cluster currentCluster = ServerTestUtils.getLocalCluster(2, new int[][] {
{ 0, 1, 2, 3, 4, 5, 6 }, { 7, 8 } });
final Cluster targetCluster = RebalanceUtils.createUpdatedCluster(currentCluster,
1,
Lists.newArrayList(2, 3));
// start servers 0 , 1 only
final List<Integer> serverList = Arrays.asList(0, 1);
Map<String, String> configProps = new HashMap<String, String>();
configProps.put("admin.max.threads", "50");
final Cluster updatedCurrentCluster = startServers(currentCluster,
storeDefFileWithReplication,
serverList,
configProps);
final Cluster updatedTargetCluster = updateCluster(targetCluster);
ExecutorService executors = Executors.newFixedThreadPool(2);
final AtomicBoolean rebalancingToken = new AtomicBoolean(false);
final List<Exception> exceptions = Collections.synchronizedList(new ArrayList<Exception>());
RebalanceClientConfig rebalanceClientConfig = new RebalanceClientConfig();
rebalanceClientConfig.setMaxParallelRebalancing(2);
final RebalanceController rebalanceClient = new RebalanceController(getBootstrapUrl(updatedCurrentCluster,
0),
rebalanceClientConfig);
// Populate the two stores
populateData(updatedCurrentCluster,
roStoreDefWithReplication,
rebalanceClient.getAdminClient(),
true);
populateData(updatedCurrentCluster,
rwStoreDefWithReplication,
rebalanceClient.getAdminClient(),
false);
final SocketStoreClientFactory factory = new SocketStoreClientFactory(new ClientConfig().setBootstrapUrls(getBootstrapUrl(updatedCurrentCluster,
0))
.setEnableLazy(false)
.setSocketTimeout(120,
TimeUnit.SECONDS));
final StoreClient<String, String> storeClientRW = new DefaultStoreClient<String, String>(testStoreNameRW,
null,
factory,
3);
final StoreClient<String, String> storeClientRO = new DefaultStoreClient<String, String>(testStoreNameRO,
null,
factory,
3);
// start get operation.
executors.execute(new Runnable() {
public void run() {
try {
List<String> keys = new ArrayList<String>(testEntries.keySet());
while(!rebalancingToken.get()) {
// should always able to get values.
int index = (int) (Math.random() * keys.size());
// should get a valid value
try {
Versioned<String> value = storeClientRW.get(keys.get(index));
assertNotSame("StoreClient get() should not return null.", null, value);
assertEquals("Value returned should be good",
new Versioned<String>(testEntries.get(keys.get(index))),
value);
value = storeClientRO.get(keys.get(index));
assertNotSame("StoreClient get() should not return null.", null, value);
assertEquals("Value returned should be good",
new Versioned<String>(testEntries.get(keys.get(index))),
value);
} catch(Exception e) {
e.printStackTrace();
exceptions.add(e);
}
}
} catch(Exception e) {
exceptions.add(e);
} finally {
factory.close();
}
}
});
executors.execute(new Runnable() {
public void run() {
try {
Thread.sleep(500);
rebalanceAndCheck(updatedCurrentCluster,
updatedTargetCluster,
storeDefWithReplication,
rebalanceClient,
Arrays.asList(0, 1));
Thread.sleep(500);
rebalancingToken.set(true);
checkConsistentMetadata(updatedTargetCluster, serverList);
} catch(Exception e) {
exceptions.add(e);
} finally {
// stop servers
try {
stopServer(serverList);
} catch(Exception e) {
throw new RuntimeException(e);
}
}
}
});
executors.shutdown();
executors.awaitTermination(300, TimeUnit.SECONDS);
// check No Exception
if(exceptions.size() > 0) {
for(Exception e: exceptions) {
e.printStackTrace();
}
fail("Should not see any exceptions.");
}
}
@Test(timeout = 600000)
public void testServerSideRouting() throws Exception {
logger.info("Starting testServerSideRouting");
final Cluster currentCluster = ServerTestUtils.getLocalCluster(2, new int[][] {
{ 0, 1, 2, 3, 4, 5, 6 }, { 7, 8 } });
final Cluster targetCluster = RebalanceUtils.createUpdatedCluster(currentCluster,
1,
Lists.newArrayList(2, 3));
final List<Integer> serverList = Arrays.asList(0, 1);
Map<String, String> configProps = new HashMap<String, String>();
configProps.put("admin.max.threads", "50");
final Cluster updatedCurrentCluster = startServers(currentCluster,
storeDefFileWithReplication,
serverList,
configProps);
final Cluster updatedTargetCluster = updateCluster(targetCluster);
ExecutorService executors = Executors.newFixedThreadPool(2);
final AtomicBoolean rebalancingToken = new AtomicBoolean(false);
final List<Exception> exceptions = Collections.synchronizedList(new ArrayList<Exception>());
// populate data now.
RebalanceClientConfig rebalanceClientConfig = new RebalanceClientConfig();
rebalanceClientConfig.setMaxParallelRebalancing(2);
final RebalanceController rebalanceClient = new RebalanceController(getBootstrapUrl(updatedCurrentCluster,
0),
rebalanceClientConfig);
// Populate the two stores
populateData(updatedCurrentCluster,
roStoreDefWithReplication,
rebalanceClient.getAdminClient(),
true);
populateData(updatedCurrentCluster,
rwStoreDefWithReplication,
rebalanceClient.getAdminClient(),
false);
Node node = updatedCurrentCluster.getNodeById(1);
final Store<ByteArray, byte[], byte[]> serverSideRoutingStoreRW = getSocketStore(testStoreNameRW,
node.getHost(),
node.getSocketPort(),
true);
final Store<ByteArray, byte[], byte[]> serverSideRoutingStoreRO = getSocketStore(testStoreNameRO,
node.getHost(),
node.getSocketPort(),
true);
final CountDownLatch latch = new CountDownLatch(1);
// start get operation.
executors.execute(new Runnable() {
public void run() {
try {
List<String> keys = new ArrayList<String>(testEntries.keySet());
while(!rebalancingToken.get()) {
// should always able to get values.
int index = (int) (Math.random() * keys.size());
// should get a valid value