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AdminServiceBasicTest.java
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AdminServiceBasicTest.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;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import voldemort.ServerTestUtils;
import voldemort.TestUtils;
import voldemort.VoldemortException;
import voldemort.client.protocol.admin.AdminClient;
import voldemort.client.protocol.admin.AdminClientConfig;
import voldemort.cluster.Cluster;
import voldemort.cluster.Node;
import voldemort.cluster.Zone;
import voldemort.routing.RoutingStrategy;
import voldemort.routing.RoutingStrategyFactory;
import voldemort.routing.RoutingStrategyType;
import voldemort.serialization.SerializerDefinition;
import voldemort.server.VoldemortServer;
import voldemort.store.InvalidMetadataException;
import voldemort.store.Store;
import voldemort.store.StoreDefinition;
import voldemort.store.StoreDefinitionBuilder;
import voldemort.store.memory.InMemoryStorageConfiguration;
import voldemort.store.metadata.MetadataStore;
import voldemort.store.readonly.ReadOnlyStorageEngine;
import voldemort.store.readonly.ReadOnlyStorageFormat;
import voldemort.store.readonly.ReadOnlyStorageMetadata;
import voldemort.store.slop.Slop;
import voldemort.store.slop.strategy.HintedHandoffStrategyType;
import voldemort.store.socket.SocketStoreFactory;
import voldemort.store.socket.clientrequest.ClientRequestExecutorPool;
import voldemort.utils.ByteArray;
import voldemort.utils.ByteUtils;
import voldemort.utils.Pair;
import voldemort.utils.RebalanceUtils;
import voldemort.utils.Utils;
import voldemort.versioning.VectorClock;
import voldemort.versioning.Versioned;
import voldemort.xml.StoreDefinitionsMapper;
import com.google.common.collect.AbstractIterator;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
/**
*/
@RunWith(Parameterized.class)
public class AdminServiceBasicTest {
private static int NUM_RUNS = 100;
private static int TEST_STREAM_KEYS_SIZE = 10000;
private static String testStoreName = "test-replication-memory";
private static String storesXmlfile = "test/common/voldemort/config/stores.xml";
private SocketStoreFactory socketStoreFactory = new ClientRequestExecutorPool(2,
10000,
100000,
32 * 1024);
private static AtomicBoolean running = new AtomicBoolean(true);
private List<StoreDefinition> storeDefs;
private VoldemortServer[] servers;
private Cluster cluster;
private AdminClient adminClient;
private final boolean useNio;
public AdminServiceBasicTest(boolean useNio) {
this.useNio = useNio;
}
@Parameters
public static Collection<Object[]> configs() {
return Arrays.asList(new Object[][] { { true }, { false } });
}
@Before
public void setUp() throws IOException {
int numServers = 2;
servers = new VoldemortServer[numServers];
int partitionMap[][] = { { 0, 1, 2, 3 }, { 4, 5, 6, 7 } };
Properties serverProperties = new Properties();
serverProperties.setProperty("client.max.connections.per.node", "20");
cluster = ServerTestUtils.startVoldemortCluster(numServers,
servers,
partitionMap,
socketStoreFactory,
useNio,
null,
storesXmlfile,
serverProperties);
storeDefs = new StoreDefinitionsMapper().readStoreList(new File(storesXmlfile));
Properties adminProperties = new Properties();
adminProperties.setProperty("max_connections", "20");
adminClient = new AdminClient(cluster, new AdminClientConfig(adminProperties));
}
/**
* Returns the corresponding server based on the node id
*
* @param nodeId The node id for which we're retrieving the server
* @return Voldemort server
*/
private VoldemortServer getServer(int nodeId) {
return servers[nodeId];
}
@After
public void tearDown() throws IOException {
adminClient.stop();
for(VoldemortServer server: servers) {
ServerTestUtils.stopVoldemortServer(server);
}
socketStoreFactory.close();
}
private VoldemortServer getVoldemortServer(int nodeId) {
return servers[nodeId];
}
private AdminClient getAdminClient() {
return adminClient;
}
private Store<ByteArray, byte[], byte[]> getStore(int nodeID, String storeName) {
Store<ByteArray, byte[], byte[]> store = getVoldemortServer(nodeID).getStoreRepository()
.getStorageEngine(storeName);
assertNotSame("Store '" + storeName + "' should not be null", null, store);
return store;
}
private boolean isKeyPartition(ByteArray key,
int nodeId,
String storeName,
List<Integer> deletePartitionsList) {
RoutingStrategy routing = getVoldemortServer(nodeId).getMetadataStore()
.getRoutingStrategy(storeName);
for(int partition: routing.getPartitionList(key.get())) {
if(deletePartitionsList.contains(partition)) {
return true;
}
}
return false;
}
@Test
public void testUpdateClusterMetadata() {
Cluster updatedCluster = ServerTestUtils.getLocalCluster(4);
AdminClient client = getAdminClient();
for(int i = 0; i < NUM_RUNS; i++) {
VectorClock clock = ((VectorClock) client.getRemoteCluster(0).getVersion()).incremented(0,
System.currentTimeMillis());
client.updateRemoteCluster(0, updatedCluster, clock);
assertEquals("Cluster should match",
updatedCluster,
getVoldemortServer(0).getMetadataStore().getCluster());
assertEquals("AdminClient.getMetdata() should match", client.getRemoteCluster(0)
.getValue(), updatedCluster);
// version should match
assertEquals("versions should match as well.", clock, client.getRemoteCluster(0)
.getVersion());
}
}
@Test
public void testAddStore() throws Exception {
AdminClient adminClient = getAdminClient();
// Try to add a store whose replication factor is greater than the
// number of nodes
StoreDefinition definition = new StoreDefinitionBuilder().setName("updateTest")
.setType(InMemoryStorageConfiguration.TYPE_NAME)
.setKeySerializer(new SerializerDefinition("string"))
.setValueSerializer(new SerializerDefinition("string"))
.setRoutingPolicy(RoutingTier.CLIENT)
.setRoutingStrategyType(RoutingStrategyType.CONSISTENT_STRATEGY)
.setReplicationFactor(3)
.setPreferredReads(1)
.setRequiredReads(1)
.setPreferredWrites(1)
.setRequiredWrites(1)
.build();
try {
adminClient.addStore(definition);
fail("Should have thrown an exception because we cannot add a store with a replication factor greater than number of nodes");
} catch(Exception e) {}
definition = new StoreDefinitionBuilder().setName("updateTest")
.setType(InMemoryStorageConfiguration.TYPE_NAME)
.setKeySerializer(new SerializerDefinition("string"))
.setValueSerializer(new SerializerDefinition("string"))
.setRoutingPolicy(RoutingTier.CLIENT)
.setRoutingStrategyType(RoutingStrategyType.CONSISTENT_STRATEGY)
.setReplicationFactor(1)
.setPreferredReads(1)
.setRequiredReads(1)
.setPreferredWrites(1)
.setRequiredWrites(1)
.build();
adminClient.addStore(definition);
// now test the store
StoreClientFactory factory = new SocketStoreClientFactory(new ClientConfig().setBootstrapUrls(cluster.getNodeById(0)
.getSocketUrl()
.toString()));
StoreClient<Object, Object> client = factory.getStoreClient("updateTest");
client.put("abc", "123");
String s = (String) client.get("abc").getValue();
assertEquals(s, "123");
// test again with a unknown store
try {
client = factory.getStoreClient("updateTest2");
client.put("abc", "123");
s = (String) client.get("abc").getValue();
assertEquals(s, "123");
fail("Should have received bootstrap failure exception");
} catch(Exception e) {
if(!(e instanceof BootstrapFailureException))
throw e;
}
// make sure that the store list we get back from AdminClient
Versioned<List<StoreDefinition>> list = adminClient.getRemoteStoreDefList(0);
assertTrue(list.getValue().contains(definition));
}
@Test
public void testReplicationMapping() {
List<Node> nodes = Lists.newArrayList();
nodes.add(new Node(0, "localhost", 1, 2, 3, 0, Lists.newArrayList(0, 4, 8)));
nodes.add(new Node(1, "localhost", 1, 2, 3, 0, Lists.newArrayList(1, 5, 9)));
nodes.add(new Node(2, "localhost", 1, 2, 3, 1, Lists.newArrayList(2, 6, 10)));
nodes.add(new Node(3, "localhost", 1, 2, 3, 1, Lists.newArrayList(3, 7, 11)));
// Test 0 - With rep-factor 1
StoreDefinition storeDef = ServerTestUtils.getStoreDef("consistent",
1,
1,
1,
1,
1,
RoutingStrategyType.CONSISTENT_STRATEGY);
Cluster newCluster = new Cluster("single_zone_cluster", nodes);
try {
adminClient.getReplicationMapping(0, newCluster, storeDef);
fail("Should have thrown an exception since rep-factor = 1");
} catch(VoldemortException e) {}
// Test 1 - With consistent routing strategy
storeDef = ServerTestUtils.getStoreDef("consistent",
2,
1,
1,
1,
1,
RoutingStrategyType.CONSISTENT_STRATEGY);
// On node 0
Map<Integer, HashMap<Integer, List<Integer>>> replicationMapping = adminClient.getReplicationMapping(0,
newCluster,
storeDef);
{
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.clear();
partitionTuple.put(1, Lists.newArrayList(0, 4, 8));
expectedMapping.put(1, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(0, Lists.newArrayList(3, 7, 11));
expectedMapping.put(3, partitionTuple2);
// {1={1=[0, 4, 8]}, 3={0=[3, 7, 11]}}
assertEquals(replicationMapping, expectedMapping);
}
{
// On node 1
replicationMapping = adminClient.getReplicationMapping(1, newCluster, storeDef);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(0, Lists.newArrayList(0, 4, 8));
expectedMapping.put(0, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(1, Lists.newArrayList(1, 5, 9));
expectedMapping.put(2, partitionTuple2);
// {0={0=[0, 4, 8]}, 2={1=[1, 5, 9]}}
assertEquals(replicationMapping, expectedMapping);
}
{
// On node 2
replicationMapping = adminClient.getReplicationMapping(2, newCluster, storeDef);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(0, Lists.newArrayList(1, 5, 9));
expectedMapping.put(1, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(1, Lists.newArrayList(2, 6, 10));
expectedMapping.put(3, partitionTuple2);
// {1={0=[1, 5, 9]}, 3={1=[2, 6, 10]}}
assertEquals(replicationMapping, expectedMapping);
}
{
// On node 3
replicationMapping = adminClient.getReplicationMapping(3, newCluster, storeDef);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(1, Lists.newArrayList(3, 7, 11));
expectedMapping.put(0, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(0, Lists.newArrayList(2, 6, 10));
expectedMapping.put(2, partitionTuple2);
// {0={1=[3, 7, 11]}, 2={0=[2, 6, 10]}}
assertEquals(replicationMapping, expectedMapping);
}
// Test 2 - With zone routing strategy
List<Zone> zones = ServerTestUtils.getZones(2);
HashMap<Integer, Integer> zoneReplicationFactors = Maps.newHashMap();
for(int zoneIds = 0; zoneIds < 2; zoneIds++) {
zoneReplicationFactors.put(zoneIds, 1);
}
storeDef = ServerTestUtils.getStoreDef("zone",
2,
1,
1,
1,
0,
0,
zoneReplicationFactors,
HintedHandoffStrategyType.PROXIMITY_STRATEGY,
RoutingStrategyType.ZONE_STRATEGY);
newCluster = new Cluster("multi_zone_cluster", nodes, zones);
{
// On node 0
replicationMapping = adminClient.getReplicationMapping(0, newCluster, storeDef);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(0, Lists.newArrayList(2, 6, 10));
partitionTuple.put(1, Lists.newArrayList(0, 4, 8));
expectedMapping.put(2, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(0, Lists.newArrayList(3, 7, 11));
expectedMapping.put(3, partitionTuple2);
// {2={0=[2, 6, 10], 1=[0, 4, 8]}, 3={0=[3, 7, 11]}}
assertEquals(replicationMapping, expectedMapping);
}
{
// On node 1
replicationMapping = adminClient.getReplicationMapping(1, newCluster, storeDef);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(1, Lists.newArrayList(1, 5, 9));
expectedMapping.put(2, partitionTuple);
// {2={1=[1, 5, 9]}}
assertEquals(replicationMapping, expectedMapping);
}
{
// On node 2
replicationMapping = adminClient.getReplicationMapping(2, newCluster, storeDef);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(0, Lists.newArrayList(0, 4, 8));
partitionTuple.put(1, Lists.newArrayList(2, 6, 10));
expectedMapping.put(0, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(0, Lists.newArrayList(1, 5, 9));
expectedMapping.put(1, partitionTuple2);
// {0={0=[0, 4, 8], 1=[2, 6, 10]}, 1={0=[1, 5, 9]}}
assertEquals(replicationMapping, expectedMapping);
}
{
// On node 3
replicationMapping = adminClient.getReplicationMapping(3, newCluster, storeDef);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(1, Lists.newArrayList(3, 7, 11));
expectedMapping.put(0, partitionTuple);
// {0={1=[3, 7, 11]}}
assertEquals(replicationMapping, expectedMapping);
}
// Test 3 - Consistent with rep factor 3
storeDef = ServerTestUtils.getStoreDef("consistent",
3,
1,
1,
1,
1,
RoutingStrategyType.CONSISTENT_STRATEGY);
newCluster = new Cluster("single_zone_cluster", nodes);
{
replicationMapping = adminClient.getReplicationMapping(0, newCluster, storeDef);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(1, Lists.newArrayList(0, 4, 8));
expectedMapping.put(1, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(0, Lists.newArrayList(3, 7, 11));
expectedMapping.put(3, partitionTuple2);
HashMap<Integer, List<Integer>> partitionTuple3 = Maps.newHashMap();
partitionTuple3.put(0, Lists.newArrayList(2, 6, 10));
expectedMapping.put(2, partitionTuple3);
// {1={1=[0, 4, 8]}, 2={0=[2, 6, 10]}, 3={0=[3, 7, 11]}}
assertEquals(replicationMapping, expectedMapping);
}
{
replicationMapping = adminClient.getReplicationMapping(1, newCluster, storeDef);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(0, Lists.newArrayList(0, 4, 8));
expectedMapping.put(0, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(0, Lists.newArrayList(3, 7, 11));
expectedMapping.put(3, partitionTuple2);
HashMap<Integer, List<Integer>> partitionTuple3 = Maps.newHashMap();
partitionTuple3.put(1, Lists.newArrayList(1, 5, 9));
expectedMapping.put(2, partitionTuple3);
// {0={0=[0, 4, 8]}, 2={1=[1, 5, 9]}, 3={0=[3, 7, 11]}}
assertEquals(replicationMapping, expectedMapping);
}
{
replicationMapping = adminClient.getReplicationMapping(2, newCluster, storeDef);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(0, Lists.newArrayList(0, 4, 8));
expectedMapping.put(0, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(0, Lists.newArrayList(1, 5, 9));
expectedMapping.put(1, partitionTuple2);
HashMap<Integer, List<Integer>> partitionTuple3 = Maps.newHashMap();
partitionTuple3.put(1, Lists.newArrayList(2, 6, 10));
expectedMapping.put(3, partitionTuple3);
// {0={0=[0, 4, 8]}, 1={0=[1, 5, 9]}, 3={1=[2, 6, 10]}}
assertEquals(replicationMapping, expectedMapping);
}
{
replicationMapping = adminClient.getReplicationMapping(3, newCluster, storeDef);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(1, Lists.newArrayList(3, 7, 11));
expectedMapping.put(0, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(0, Lists.newArrayList(1, 5, 9));
expectedMapping.put(1, partitionTuple2);
HashMap<Integer, List<Integer>> partitionTuple3 = Maps.newHashMap();
partitionTuple3.put(0, Lists.newArrayList(2, 6, 10));
expectedMapping.put(2, partitionTuple3);
// {0={1=[3, 7, 11]}, 1={0=[1, 5, 9]}, 2={0=[2, 6, 10]}}
assertEquals(replicationMapping, expectedMapping);
}
zoneReplicationFactors = Maps.newHashMap();
for(int zoneIds = 0; zoneIds < 2; zoneIds++) {
zoneReplicationFactors.put(zoneIds, 2);
}
storeDef = ServerTestUtils.getStoreDef("zone",
1,
1,
1,
1,
0,
0,
zoneReplicationFactors,
HintedHandoffStrategyType.PROXIMITY_STRATEGY,
RoutingStrategyType.ZONE_STRATEGY);
newCluster = new Cluster("multi_zone_cluster", nodes, zones);
{
replicationMapping = adminClient.getReplicationMapping(0, newCluster, storeDef);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(0, Lists.newArrayList(1, 5, 9));
partitionTuple.put(1, Lists.newArrayList(0, 4, 8));
expectedMapping.put(1, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(0, Lists.newArrayList(2, 6, 10));
expectedMapping.put(2, partitionTuple2);
HashMap<Integer, List<Integer>> partitionTuple3 = Maps.newHashMap();
partitionTuple3.put(0, Lists.newArrayList(3, 7, 11));
expectedMapping.put(3, partitionTuple3);
// {1={0=[1, 5, 9], 1=[0, 4, 8]}, 2={0=[2, 6, 10]}, 3={0=[3, 7,
// 11]}}
assertEquals(replicationMapping, expectedMapping);
}
{
replicationMapping = adminClient.getReplicationMapping(1, newCluster, storeDef);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(0, Lists.newArrayList(0, 4, 8));
expectedMapping.put(0, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(0, Lists.newArrayList(2, 6, 10));
partitionTuple2.put(1, Lists.newArrayList(1, 5, 9));
expectedMapping.put(2, partitionTuple2);
HashMap<Integer, List<Integer>> partitionTuple3 = Maps.newHashMap();
partitionTuple3.put(0, Lists.newArrayList(3, 7, 11));
expectedMapping.put(3, partitionTuple3);
// {0={0=[0, 4, 8]}, 2={0=[2, 6, 10], 1=[1, 5, 9]}, 3={0=[3, 7,
// 11]}}
assertEquals(replicationMapping, expectedMapping);
}
{
replicationMapping = adminClient.getReplicationMapping(2, newCluster, storeDef);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(0, Lists.newArrayList(0, 4, 8));
expectedMapping.put(0, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(0, Lists.newArrayList(1, 5, 9));
expectedMapping.put(1, partitionTuple2);
HashMap<Integer, List<Integer>> partitionTuple3 = Maps.newHashMap();
partitionTuple3.put(0, Lists.newArrayList(3, 7, 11));
partitionTuple3.put(1, Lists.newArrayList(2, 6, 10));
expectedMapping.put(3, partitionTuple3);
// {0={0=[0, 4, 8]}, 1={0=[1, 5, 9]}, 3={0=[3, 7, 11], 1=[2, 6,
// 10]}}
assertEquals(replicationMapping, expectedMapping);
}
{
replicationMapping = adminClient.getReplicationMapping(3, newCluster, storeDef);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(0, Lists.newArrayList(0, 4, 8));
partitionTuple.put(1, Lists.newArrayList(3, 7, 11));
expectedMapping.put(0, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(0, Lists.newArrayList(1, 5, 9));
expectedMapping.put(1, partitionTuple2);
HashMap<Integer, List<Integer>> partitionTuple3 = Maps.newHashMap();
partitionTuple3.put(0, Lists.newArrayList(2, 6, 10));
expectedMapping.put(2, partitionTuple3);
// {0={0=[0, 4, 8], 1=[3, 7, 11]}, 1={0=[1, 5, 9]}, 2={0=[2, 6,
// 10]}}
assertEquals(replicationMapping, expectedMapping);
}
}
@Test
public void testReplicationMappingWithZonePreference() {
List<Node> nodes = Lists.newArrayList();
nodes.add(new Node(0, "localhost", 1, 2, 3, 0, Lists.newArrayList(0, 4, 8)));
nodes.add(new Node(1, "localhost", 1, 2, 3, 0, Lists.newArrayList(1, 5, 9)));
nodes.add(new Node(2, "localhost", 1, 2, 3, 1, Lists.newArrayList(2, 6, 10)));
nodes.add(new Node(3, "localhost", 1, 2, 3, 1, Lists.newArrayList(3, 7, 11)));
// Test 0 - With rep-factor 1; zone 1
StoreDefinition storeDef = ServerTestUtils.getStoreDef("consistent",
1,
1,
1,
1,
1,
RoutingStrategyType.CONSISTENT_STRATEGY);
Cluster newCluster = new Cluster("single_zone_cluster", nodes);
try {
adminClient.getReplicationMapping(0, newCluster, storeDef, 1);
fail("Should have thrown an exception since rep-factor = 1");
} catch(VoldemortException e) {}
// With rep-factor 1; zone 0
storeDef = ServerTestUtils.getStoreDef("consistent",
1,
1,
1,
1,
1,
RoutingStrategyType.CONSISTENT_STRATEGY);
newCluster = new Cluster("single_zone_cluster", nodes);
try {
adminClient.getReplicationMapping(0, newCluster, storeDef, 0);
fail("Should have thrown an exception since rep-factor = 1");
} catch(VoldemortException e) {}
// Test 1 - With consistent routing strategy
storeDef = ServerTestUtils.getStoreDef("consistent",
4,
1,
1,
1,
1,
RoutingStrategyType.CONSISTENT_STRATEGY);
// On node 0; zone id 1
Map<Integer, HashMap<Integer, List<Integer>>> replicationMapping = adminClient.getReplicationMapping(0,
newCluster,
storeDef,
1);
{
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(0, Lists.newArrayList(2, 6, 10));
partitionTuple.put(1, Lists.newArrayList(1, 5, 9));
partitionTuple.put(2, Lists.newArrayList(0, 4, 8));
expectedMapping.put(2, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(0, Lists.newArrayList(3, 7, 11));
expectedMapping.put(3, partitionTuple2);
// {2={0=[2, 6, 10], 1=[1, 5, 9], 2=[0, 4, 8]}, 3={0=[3, 7, 11]}}
assertEquals(replicationMapping, expectedMapping);
}
// On node 0; zone id 0
replicationMapping = adminClient.getReplicationMapping(0, newCluster, storeDef, 0);
{
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.clear();
partitionTuple.put(0, Lists.newArrayList(1, 5, 9));
partitionTuple.put(1, Lists.newArrayList(0, 4, 8));
partitionTuple.put(2, Lists.newArrayList(3, 7, 11));
partitionTuple.put(3, Lists.newArrayList(2, 6, 10));
expectedMapping.put(1, partitionTuple);
// {1={0=[1, 5, 9], 1=[0, 4, 8]}, 2=[3, 7, 11], 3=[2, 6, 10]}
assertEquals(replicationMapping, expectedMapping);
}
// Test 2 - With zone routing strategy, and zone replication factor 1
List<Zone> zones = ServerTestUtils.getZones(2);
HashMap<Integer, Integer> zoneReplicationFactors = Maps.newHashMap();
for(int zoneIds = 0; zoneIds < 2; zoneIds++) {
zoneReplicationFactors.put(zoneIds, 1);
}
storeDef = ServerTestUtils.getStoreDef("zone",
2,
1,
1,
1,
0,
0,
zoneReplicationFactors,
HintedHandoffStrategyType.PROXIMITY_STRATEGY,
RoutingStrategyType.ZONE_STRATEGY);
newCluster = new Cluster("multi_zone_cluster", nodes, zones);
{
// On node 0, zone 0 - failure case since zoneReplicationFactor is 1
try {
replicationMapping = adminClient.getReplicationMapping(0, newCluster, storeDef, 0);
fail("Should have thrown an exception since zoneReplicationFactor is 1");
} catch(VoldemortException e) {}
}
{
// On node 0, zone 1
replicationMapping = adminClient.getReplicationMapping(0, newCluster, storeDef, 1);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(0, Lists.newArrayList(2, 6, 10));
partitionTuple.put(1, Lists.newArrayList(0, 4, 8));
expectedMapping.put(2, partitionTuple);
HashMap<Integer, List<Integer>> partitionTuple2 = Maps.newHashMap();
partitionTuple2.put(0, Lists.newArrayList(3, 7, 11));
expectedMapping.put(3, partitionTuple2);
// {2={0=[2, 6, 10], 1=[0, 4, 8]}, 3={0=[3, 7, 11]}}}
assertEquals(replicationMapping, expectedMapping);
}
{
// On node 1, zone 1
replicationMapping = adminClient.getReplicationMapping(1, newCluster, storeDef, 1);
HashMap<Integer, HashMap<Integer, List<Integer>>> expectedMapping = Maps.newHashMap();
HashMap<Integer, List<Integer>> partitionTuple = Maps.newHashMap();
partitionTuple.put(1, Lists.newArrayList(1, 5, 9));
expectedMapping.put(2, partitionTuple);
// {2={1=[1, 5, 9]}}
assertEquals(replicationMapping, expectedMapping);
}
}
@Test
public void testDeleteStore() throws Exception {
AdminClient adminClient = getAdminClient();
StoreDefinition definition = new StoreDefinitionBuilder().setName("deleteTest")
.setType(InMemoryStorageConfiguration.TYPE_NAME)
.setKeySerializer(new SerializerDefinition("string"))
.setValueSerializer(new SerializerDefinition("string"))
.setRoutingPolicy(RoutingTier.CLIENT)
.setRoutingStrategyType(RoutingStrategyType.CONSISTENT_STRATEGY)
.setReplicationFactor(1)
.setPreferredReads(1)
.setRequiredReads(1)
.setPreferredWrites(1)
.setRequiredWrites(1)
.build();
adminClient.addStore(definition);
// now test the store
StoreClientFactory factory = new SocketStoreClientFactory(new ClientConfig().setBootstrapUrls(cluster.getNodeById(0)
.getSocketUrl()
.toString()));
StoreClient<Object, Object> client = factory.getStoreClient("deleteTest");
int numStores = adminClient.getRemoteStoreDefList(0).getValue().size();
// delete the store
assertEquals(adminClient.getRemoteStoreDefList(0).getValue().contains(definition), true);
adminClient.deleteStore("deleteTest");
assertEquals(adminClient.getRemoteStoreDefList(0).getValue().size(), numStores - 1);
assertEquals(adminClient.getRemoteStoreDefList(0).getValue().contains(definition), false);
// test with deleted store
try {
client = factory.getStoreClient("deleteTest");
client.put("abc", "123");
String s = (String) client.get("abc").getValue();
assertEquals(s, "123");
fail("Should have received bootstrap failure exception");
} catch(Exception e) {
if(!(e instanceof BootstrapFailureException))
throw e;
}
// try adding the store again
adminClient.addStore(definition);
client = factory.getStoreClient("deleteTest");
client.put("abc", "123");
String s = (String) client.get("abc").getValue();
assertEquals(s, "123");
}
@Test
public void testStateTransitions() {
// change to REBALANCING STATE
AdminClient client = getAdminClient();
client.updateRemoteServerState(getVoldemortServer(0).getIdentityNode().getId(),
MetadataStore.VoldemortState.REBALANCING_MASTER_SERVER,
((VectorClock) client.getRemoteServerState(0).getVersion()).incremented(0,
System.currentTimeMillis()));
MetadataStore.VoldemortState state = getVoldemortServer(0).getMetadataStore()
.getServerState();
assertEquals("State should be changed correctly to rebalancing state",
MetadataStore.VoldemortState.REBALANCING_MASTER_SERVER,
state);
// change back to NORMAL state
client.updateRemoteServerState(getVoldemortServer(0).getIdentityNode().getId(),
MetadataStore.VoldemortState.NORMAL_SERVER,
((VectorClock) client.getRemoteServerState(0).getVersion()).incremented(0,
System.currentTimeMillis()));
state = getVoldemortServer(0).getMetadataStore().getServerState();
assertEquals("State should be changed correctly to rebalancing state",
MetadataStore.VoldemortState.NORMAL_SERVER,
state);
// lets revert back to REBALANCING STATE AND CHECK
client.updateRemoteServerState(getVoldemortServer(0).getIdentityNode().getId(),
MetadataStore.VoldemortState.REBALANCING_MASTER_SERVER,
((VectorClock) client.getRemoteServerState(0).getVersion()).incremented(0,
System.currentTimeMillis()));
state = getVoldemortServer(0).getMetadataStore().getServerState();
assertEquals("State should be changed correctly to rebalancing state",
MetadataStore.VoldemortState.REBALANCING_MASTER_SERVER,
state);
client.updateRemoteServerState(getVoldemortServer(0).getIdentityNode().getId(),
MetadataStore.VoldemortState.NORMAL_SERVER,
((VectorClock) client.getRemoteServerState(0).getVersion()).incremented(0,
System.currentTimeMillis()));
state = getVoldemortServer(0).getMetadataStore().getServerState();
assertEquals("State should be changed correctly to rebalancing state",
MetadataStore.VoldemortState.NORMAL_SERVER,
state);
}
@Test
public void testDeletePartitionEntries() {
HashMap<ByteArray, byte[]> entrySet = ServerTestUtils.createRandomKeyValuePairs(TEST_STREAM_KEYS_SIZE);
// insert it into server-0 store
Store<ByteArray, byte[], byte[]> store = getStore(0, testStoreName);
for(Entry<ByteArray, byte[]> entry: entrySet.entrySet()) {
store.put(entry.getKey(), new Versioned<byte[]>(entry.getValue()), null);
}
List<Integer> deletePartitionsList = Arrays.asList(0, 2);
// do delete partitions request
getAdminClient().deletePartitions(0, testStoreName, deletePartitionsList, null);
store = getStore(0, testStoreName);
for(Entry<ByteArray, byte[]> entry: entrySet.entrySet()) {
if(isKeyPartition(entry.getKey(), 0, testStoreName, deletePartitionsList)) {
assertEquals("deleted partitions should be missing.",
0,
store.get(entry.getKey(), null).size());
}
}
}
@Test
public void testFetchPartitionKeys() {
HashMap<ByteArray, byte[]> entrySet = ServerTestUtils.createRandomKeyValuePairs(TEST_STREAM_KEYS_SIZE);
List<Integer> fetchPartitionsList = Arrays.asList(0, 2);
// insert it into server-0 store
int fetchPartitionKeyCount = 0;
Store<ByteArray, byte[], byte[]> store = getStore(0, testStoreName);
for(Entry<ByteArray, byte[]> entry: entrySet.entrySet()) {
store.put(entry.getKey(), new Versioned<byte[]>(entry.getValue()), null);
if(isKeyPartition(entry.getKey(), 0, testStoreName, fetchPartitionsList)) {
fetchPartitionKeyCount++;
}
}
Iterator<ByteArray> fetchIt = getAdminClient().fetchKeys(0,
testStoreName,
fetchPartitionsList,
null,
false);
// check values
int count = 0;
while(fetchIt.hasNext()) {
assertEquals("Fetched key should belong to asked partitions",
true,
isKeyPartition(fetchIt.next(), 0, testStoreName, fetchPartitionsList));
count++;
}
// assert all keys for asked partitions are returned.
assertEquals("All keys for asked partitions should be received",
fetchPartitionKeyCount,
count);
}
@Test
public void testFetchPartitionFiles() throws IOException {
generateAndFetchFiles(2, 1, 1200, 1000);
}
private void generateROFiles(int numChunks,
long indexSize,
long dataSize,
HashMap<Integer, List<Integer>> buckets,
File versionDir) throws IOException {
ReadOnlyStorageMetadata metadata = new ReadOnlyStorageMetadata();
metadata.add(ReadOnlyStorageMetadata.FORMAT, ReadOnlyStorageFormat.READONLY_V2.getCode());
File metadataFile = new File(versionDir, ".metadata");
BufferedWriter writer = new BufferedWriter(new FileWriter(metadataFile));
writer.write(metadata.toJsonString());
writer.close();
for(Entry<Integer, List<Integer>> entry: buckets.entrySet()) {
int replicaType = entry.getKey();
for(int partitionId: entry.getValue()) {
for(int chunkId = 0; chunkId < numChunks; chunkId++) {
File index = new File(versionDir, Integer.toString(partitionId) + "_"
+ Integer.toString(replicaType) + "_"
+ Integer.toString(chunkId) + ".index");
File data = new File(versionDir, Integer.toString(partitionId) + "_"
+ Integer.toString(replicaType) + "_"
+ Integer.toString(chunkId) + ".data");
// write some random crap for index and data
FileOutputStream dataOs = new FileOutputStream(data);
for(int i = 0; i < dataSize; i++)
dataOs.write(i);
dataOs.close();
FileOutputStream indexOs = new FileOutputStream(index);
for(int i = 0; i < indexSize; i++)
indexOs.write(i);
indexOs.close();
}
}
}
}
@SuppressWarnings("unchecked")
private void generateAndFetchFiles(int numChunks, long versionId, long indexSize, long dataSize)
throws IOException {
Map<Integer, Set<Pair<Integer, Integer>>> buckets = RebalanceUtils.getNodeIdToAllPartitions(cluster,
RebalanceUtils.getStoreDefinitionWithName(storeDefs,
"test-readonly-fetchfiles"),
true);
for(Node node: cluster.getNodes()) {
ReadOnlyStorageEngine store = (ReadOnlyStorageEngine) getStore(node.getId(),
"test-readonly-fetchfiles");
// Create list of buckets ( replica to partition )
Set<Pair<Integer, Integer>> nodeBucketsSet = buckets.get(node.getId());
HashMap<Integer, List<Integer>> nodeBuckets = RebalanceUtils.flattenPartitionTuples(nodeBucketsSet);
// Split the buckets into primary and replica buckets
HashMap<Integer, List<Integer>> primaryNodeBuckets = Maps.newHashMap();
primaryNodeBuckets.put(0, nodeBuckets.get(0));
int primaryPartitions = nodeBuckets.get(0).size();
HashMap<Integer, List<Integer>> replicaNodeBuckets = Maps.newHashMap(nodeBuckets);
replicaNodeBuckets.remove(0);
int replicaPartitions = 0;
for(List<Integer> partitions: replicaNodeBuckets.values()) {
replicaPartitions += partitions.size();
}
// Generate data...
File newVersionDir = new File(store.getStoreDirPath(), "version-"
+ Long.toString(versionId));
Utils.mkdirs(newVersionDir);
generateROFiles(numChunks, indexSize, dataSize, nodeBuckets, newVersionDir);
// Swap it...
store.swapFiles(newVersionDir.getAbsolutePath());
// Check if everything got mmap-ed correctly...
HashMap<Object, Integer> chunkIdToNumChunks = store.getChunkedFileSet()
.getChunkIdToNumChunks();
for(Object bucket: chunkIdToNumChunks.keySet()) {
Pair<Integer, Integer> partitionToReplicaBucket = (Pair<Integer, Integer>) bucket;
Pair<Integer, Integer> replicaToPartitionBucket = Pair.create(partitionToReplicaBucket.getSecond(),
partitionToReplicaBucket.getFirst());
assertTrue(nodeBucketsSet.contains(replicaToPartitionBucket));
}
// Test 0) Try to fetch a partition which doesn't exist
File tempDir = TestUtils.createTempDir();
HashMap<Integer, List<Integer>> dumbMap = Maps.newHashMap();
dumbMap.put(0, Lists.newArrayList(100));
try {