Examples with TokenMetadata org.apache.cassandra.locator.TokenMetadata used on opensource projects

Example 46 with TokenMetadata

use of org.apache.cassandra.locator.TokenMetadata in project eiger by wlloyd.

the class LeaveAndBootstrapTest method testStateJumpToNormal.

@Test
public void testStateJumpToNormal() throws UnknownHostException {
    StorageService ss = StorageService.instance;
    TokenMetadata tmd = ss.getTokenMetadata();
    tmd.clearUnsafe();
    IPartitioner partitioner = new RandomPartitioner();
    VersionedValue.VersionedValueFactory valueFactory = new VersionedValue.VersionedValueFactory(partitioner);
    IPartitioner oldPartitioner = ss.setPartitionerUnsafe(partitioner);
    ArrayList<Token> endpointTokens = new ArrayList<Token>();
    ArrayList<Token> keyTokens = new ArrayList<Token>();
    List<InetAddress> hosts = new ArrayList<InetAddress>();
    // create a ring or 5 nodes
    Util.createInitialRing(ss, partitioner, endpointTokens, keyTokens, hosts, 6);
    // node 2 leaves
    ss.onChange(hosts.get(2), ApplicationState.STATUS, valueFactory.leaving(endpointTokens.get(2)));
    assertTrue(tmd.isLeaving(hosts.get(2)));
    assertTrue(tmd.getToken(hosts.get(2)).equals(endpointTokens.get(2)));
    // back to normal
    ss.onChange(hosts.get(2), ApplicationState.STATUS, valueFactory.normal(keyTokens.get(2)));
    assertTrue(tmd.getLeavingEndpoints().isEmpty());
    assertTrue(tmd.getToken(hosts.get(2)).equals(keyTokens.get(2)));
    // node 3 goes through leave and left and then jumps to normal at its new token
    ss.onChange(hosts.get(2), ApplicationState.STATUS, valueFactory.leaving(keyTokens.get(2)));
    ss.onChange(hosts.get(2), ApplicationState.STATUS, valueFactory.left(keyTokens.get(2), Gossiper.computeExpireTime()));
    ss.onChange(hosts.get(2), ApplicationState.STATUS, valueFactory.normal(keyTokens.get(4)));
    assertTrue(tmd.getBootstrapTokens().isEmpty());
    assertTrue(tmd.getLeavingEndpoints().isEmpty());
    assertTrue(tmd.getToken(hosts.get(2)).equals(keyTokens.get(4)));
    ss.setPartitionerUnsafe(oldPartitioner);
}

Example 47 with TokenMetadata

use of org.apache.cassandra.locator.TokenMetadata in project eiger by wlloyd.

the class LeaveAndBootstrapTest method testSimultaneousMove.

/**
 * Test pending ranges and write endpoints when multiple nodes are on the move
 * simultaneously
 */
@Test
public void testSimultaneousMove() throws UnknownHostException, ConfigurationException {
    StorageService ss = StorageService.instance;
    final int RING_SIZE = 10;
    TokenMetadata tmd = ss.getTokenMetadata();
    tmd.clearUnsafe();
    IPartitioner partitioner = new RandomPartitioner();
    VersionedValue.VersionedValueFactory valueFactory = new VersionedValue.VersionedValueFactory(partitioner);
    IPartitioner oldPartitioner = ss.setPartitionerUnsafe(partitioner);
    ArrayList<Token> endpointTokens = new ArrayList<Token>();
    ArrayList<Token> keyTokens = new ArrayList<Token>();
    List<InetAddress> hosts = new ArrayList<InetAddress>();
    // create a ring or 10 nodes
    Util.createInitialRing(ss, partitioner, endpointTokens, keyTokens, hosts, RING_SIZE);
    // nodes 6, 8 and 9 leave
    final int[] LEAVING = new int[] { 6, 8, 9 };
    for (int leaving : LEAVING) ss.onChange(hosts.get(leaving), ApplicationState.STATUS, valueFactory.leaving(endpointTokens.get(leaving)));
    // boot two new nodes with keyTokens.get(5) and keyTokens.get(7)
    InetAddress boot1 = InetAddress.getByName("127.0.1.1");
    ss.onChange(boot1, ApplicationState.STATUS, valueFactory.bootstrapping(keyTokens.get(5)));
    InetAddress boot2 = InetAddress.getByName("127.0.1.2");
    ss.onChange(boot2, ApplicationState.STATUS, valueFactory.bootstrapping(keyTokens.get(7)));
    Collection<InetAddress> endpoints = null;
    /* don't require test update every time a new keyspace is added to test/conf/cassandra.yaml */
    Map<String, AbstractReplicationStrategy> tableStrategyMap = new HashMap<String, AbstractReplicationStrategy>();
    for (int i = 1; i <= 4; i++) {
        tableStrategyMap.put("Keyspace" + i, getStrategy("Keyspace" + i, tmd));
    }
    // pre-calculate the results.
    Map<String, Multimap<Token, InetAddress>> expectedEndpoints = new HashMap<String, Multimap<Token, InetAddress>>();
    expectedEndpoints.put("Keyspace1", HashMultimap.<Token, InetAddress>create());
    expectedEndpoints.get("Keyspace1").putAll(new BigIntegerToken("5"), makeAddrs("127.0.0.2"));
    expectedEndpoints.get("Keyspace1").putAll(new BigIntegerToken("15"), makeAddrs("127.0.0.3"));
    expectedEndpoints.get("Keyspace1").putAll(new BigIntegerToken("25"), makeAddrs("127.0.0.4"));
    expectedEndpoints.get("Keyspace1").putAll(new BigIntegerToken("35"), makeAddrs("127.0.0.5"));
    expectedEndpoints.get("Keyspace1").putAll(new BigIntegerToken("45"), makeAddrs("127.0.0.6"));
    expectedEndpoints.get("Keyspace1").putAll(new BigIntegerToken("55"), makeAddrs("127.0.0.7", "127.0.0.8", "127.0.1.1"));
    expectedEndpoints.get("Keyspace1").putAll(new BigIntegerToken("65"), makeAddrs("127.0.0.8"));
    expectedEndpoints.get("Keyspace1").putAll(new BigIntegerToken("75"), makeAddrs("127.0.0.9", "127.0.1.2", "127.0.0.1"));
    expectedEndpoints.get("Keyspace1").putAll(new BigIntegerToken("85"), makeAddrs("127.0.0.10", "127.0.0.1"));
    expectedEndpoints.get("Keyspace1").putAll(new BigIntegerToken("95"), makeAddrs("127.0.0.1"));
    expectedEndpoints.put("Keyspace2", HashMultimap.<Token, InetAddress>create());
    expectedEndpoints.get("Keyspace2").putAll(new BigIntegerToken("5"), makeAddrs("127.0.0.2"));
    expectedEndpoints.get("Keyspace2").putAll(new BigIntegerToken("15"), makeAddrs("127.0.0.3"));
    expectedEndpoints.get("Keyspace2").putAll(new BigIntegerToken("25"), makeAddrs("127.0.0.4"));
    expectedEndpoints.get("Keyspace2").putAll(new BigIntegerToken("35"), makeAddrs("127.0.0.5"));
    expectedEndpoints.get("Keyspace2").putAll(new BigIntegerToken("45"), makeAddrs("127.0.0.6"));
    expectedEndpoints.get("Keyspace2").putAll(new BigIntegerToken("55"), makeAddrs("127.0.0.7", "127.0.0.8", "127.0.1.1"));
    expectedEndpoints.get("Keyspace2").putAll(new BigIntegerToken("65"), makeAddrs("127.0.0.8"));
    expectedEndpoints.get("Keyspace2").putAll(new BigIntegerToken("75"), makeAddrs("127.0.0.9", "127.0.1.2", "127.0.0.1"));
    expectedEndpoints.get("Keyspace2").putAll(new BigIntegerToken("85"), makeAddrs("127.0.0.10", "127.0.0.1"));
    expectedEndpoints.get("Keyspace2").putAll(new BigIntegerToken("95"), makeAddrs("127.0.0.1"));
    expectedEndpoints.put("Keyspace3", HashMultimap.<Token, InetAddress>create());
    expectedEndpoints.get("Keyspace3").putAll(new BigIntegerToken("5"), makeAddrs("127.0.0.2", "127.0.0.3", "127.0.0.4", "127.0.0.5", "127.0.0.6"));
    expectedEndpoints.get("Keyspace3").putAll(new BigIntegerToken("15"), makeAddrs("127.0.0.3", "127.0.0.4", "127.0.0.5", "127.0.0.6", "127.0.0.7", "127.0.1.1", "127.0.0.8"));
    expectedEndpoints.get("Keyspace3").putAll(new BigIntegerToken("25"), makeAddrs("127.0.0.4", "127.0.0.5", "127.0.0.6", "127.0.0.7", "127.0.0.8", "127.0.1.2", "127.0.0.1", "127.0.1.1"));
    expectedEndpoints.get("Keyspace3").putAll(new BigIntegerToken("35"), makeAddrs("127.0.0.5", "127.0.0.6", "127.0.0.7", "127.0.0.8", "127.0.0.9", "127.0.1.2", "127.0.0.1", "127.0.0.2", "127.0.1.1"));
    expectedEndpoints.get("Keyspace3").putAll(new BigIntegerToken("45"), makeAddrs("127.0.0.6", "127.0.0.7", "127.0.0.8", "127.0.0.9", "127.0.0.10", "127.0.1.2", "127.0.0.1", "127.0.0.2", "127.0.1.1", "127.0.0.3"));
    expectedEndpoints.get("Keyspace3").putAll(new BigIntegerToken("55"), makeAddrs("127.0.0.7", "127.0.0.8", "127.0.0.9", "127.0.0.10", "127.0.0.1", "127.0.0.2", "127.0.0.3", "127.0.0.4", "127.0.1.1", "127.0.1.2"));
    expectedEndpoints.get("Keyspace3").putAll(new BigIntegerToken("65"), makeAddrs("127.0.0.8", "127.0.0.9", "127.0.0.10", "127.0.0.1", "127.0.0.2", "127.0.1.2", "127.0.0.3", "127.0.0.4"));
    expectedEndpoints.get("Keyspace3").putAll(new BigIntegerToken("75"), makeAddrs("127.0.0.9", "127.0.0.10", "127.0.0.1", "127.0.0.2", "127.0.0.3", "127.0.1.2", "127.0.0.4", "127.0.0.5"));
    expectedEndpoints.get("Keyspace3").putAll(new BigIntegerToken("85"), makeAddrs("127.0.0.10", "127.0.0.1", "127.0.0.2", "127.0.0.3", "127.0.0.4", "127.0.0.5"));
    expectedEndpoints.get("Keyspace3").putAll(new BigIntegerToken("95"), makeAddrs("127.0.0.1", "127.0.0.2", "127.0.0.3", "127.0.0.4", "127.0.0.5"));
    expectedEndpoints.put("Keyspace4", HashMultimap.<Token, InetAddress>create());
    expectedEndpoints.get("Keyspace4").putAll(new BigIntegerToken("5"), makeAddrs("127.0.0.2", "127.0.0.3", "127.0.0.4"));
    expectedEndpoints.get("Keyspace4").putAll(new BigIntegerToken("15"), makeAddrs("127.0.0.3", "127.0.0.4", "127.0.0.5"));
    expectedEndpoints.get("Keyspace4").putAll(new BigIntegerToken("25"), makeAddrs("127.0.0.4", "127.0.0.5", "127.0.0.6"));
    expectedEndpoints.get("Keyspace4").putAll(new BigIntegerToken("35"), makeAddrs("127.0.0.5", "127.0.0.6", "127.0.0.7", "127.0.1.1", "127.0.0.8"));
    expectedEndpoints.get("Keyspace4").putAll(new BigIntegerToken("45"), makeAddrs("127.0.0.6", "127.0.0.7", "127.0.0.8", "127.0.1.2", "127.0.0.1", "127.0.1.1"));
    expectedEndpoints.get("Keyspace4").putAll(new BigIntegerToken("55"), makeAddrs("127.0.0.7", "127.0.0.8", "127.0.0.9", "127.0.0.1", "127.0.0.2", "127.0.1.1", "127.0.1.2"));
    expectedEndpoints.get("Keyspace4").putAll(new BigIntegerToken("65"), makeAddrs("127.0.0.8", "127.0.0.9", "127.0.0.10", "127.0.1.2", "127.0.0.1", "127.0.0.2"));
    expectedEndpoints.get("Keyspace4").putAll(new BigIntegerToken("75"), makeAddrs("127.0.0.9", "127.0.0.10", "127.0.0.1", "127.0.1.2", "127.0.0.2", "127.0.0.3"));
    expectedEndpoints.get("Keyspace4").putAll(new BigIntegerToken("85"), makeAddrs("127.0.0.10", "127.0.0.1", "127.0.0.2", "127.0.0.3"));
    expectedEndpoints.get("Keyspace4").putAll(new BigIntegerToken("95"), makeAddrs("127.0.0.1", "127.0.0.2", "127.0.0.3"));
    for (Map.Entry<String, AbstractReplicationStrategy> tableStrategy : tableStrategyMap.entrySet()) {
        String table = tableStrategy.getKey();
        AbstractReplicationStrategy strategy = tableStrategy.getValue();
        for (int i = 0; i < keyTokens.size(); i++) {
            endpoints = tmd.getWriteEndpoints(keyTokens.get(i), table, strategy.getNaturalEndpoints(keyTokens.get(i)));
            assertTrue(expectedEndpoints.get(table).get(keyTokens.get(i)).size() == endpoints.size());
            assertTrue(expectedEndpoints.get(table).get(keyTokens.get(i)).containsAll(endpoints));
        }
        // just to be sure that things still work according to the old tests, run them:
        if (strategy.getReplicationFactor() != 3)
            continue;
        // tokens 5, 15 and 25 should go three nodes
        for (int i = 0; i < 3; ++i) {
            endpoints = tmd.getWriteEndpoints(keyTokens.get(i), table, strategy.getNaturalEndpoints(keyTokens.get(i)));
            assertTrue(endpoints.size() == 3);
            assertTrue(endpoints.contains(hosts.get(i + 1)));
            assertTrue(endpoints.contains(hosts.get(i + 2)));
            assertTrue(endpoints.contains(hosts.get(i + 3)));
        }
        // token 35 should go to nodes 4, 5, 6, 7 and boot1
        endpoints = tmd.getWriteEndpoints(keyTokens.get(3), table, strategy.getNaturalEndpoints(keyTokens.get(3)));
        assertTrue(endpoints.size() == 5);
        assertTrue(endpoints.contains(hosts.get(4)));
        assertTrue(endpoints.contains(hosts.get(5)));
        assertTrue(endpoints.contains(hosts.get(6)));
        assertTrue(endpoints.contains(hosts.get(7)));
        assertTrue(endpoints.contains(boot1));
        // token 45 should go to nodes 5, 6, 7, 0, boot1 and boot2
        endpoints = tmd.getWriteEndpoints(keyTokens.get(4), table, strategy.getNaturalEndpoints(keyTokens.get(4)));
        assertTrue(endpoints.size() == 6);
        assertTrue(endpoints.contains(hosts.get(5)));
        assertTrue(endpoints.contains(hosts.get(6)));
        assertTrue(endpoints.contains(hosts.get(7)));
        assertTrue(endpoints.contains(hosts.get(0)));
        assertTrue(endpoints.contains(boot1));
        assertTrue(endpoints.contains(boot2));
        // token 55 should go to nodes 6, 7, 8, 0, 1, boot1 and boot2
        endpoints = tmd.getWriteEndpoints(keyTokens.get(5), table, strategy.getNaturalEndpoints(keyTokens.get(5)));
        assertTrue(endpoints.size() == 7);
        assertTrue(endpoints.contains(hosts.get(6)));
        assertTrue(endpoints.contains(hosts.get(7)));
        assertTrue(endpoints.contains(hosts.get(8)));
        assertTrue(endpoints.contains(hosts.get(0)));
        assertTrue(endpoints.contains(hosts.get(1)));
        assertTrue(endpoints.contains(boot1));
        assertTrue(endpoints.contains(boot2));
        // token 65 should go to nodes 7, 8, 9, 0, 1 and boot2
        endpoints = tmd.getWriteEndpoints(keyTokens.get(6), table, strategy.getNaturalEndpoints(keyTokens.get(6)));
        assertTrue(endpoints.size() == 6);
        assertTrue(endpoints.contains(hosts.get(7)));
        assertTrue(endpoints.contains(hosts.get(8)));
        assertTrue(endpoints.contains(hosts.get(9)));
        assertTrue(endpoints.contains(hosts.get(0)));
        assertTrue(endpoints.contains(hosts.get(1)));
        assertTrue(endpoints.contains(boot2));
        // token 75 should to go nodes 8, 9, 0, 1, 2 and boot2
        endpoints = tmd.getWriteEndpoints(keyTokens.get(7), table, strategy.getNaturalEndpoints(keyTokens.get(7)));
        assertTrue(endpoints.size() == 6);
        assertTrue(endpoints.contains(hosts.get(8)));
        assertTrue(endpoints.contains(hosts.get(9)));
        assertTrue(endpoints.contains(hosts.get(0)));
        assertTrue(endpoints.contains(hosts.get(1)));
        assertTrue(endpoints.contains(hosts.get(2)));
        assertTrue(endpoints.contains(boot2));
        // token 85 should go to nodes 9, 0, 1 and 2
        endpoints = tmd.getWriteEndpoints(keyTokens.get(8), table, strategy.getNaturalEndpoints(keyTokens.get(8)));
        assertTrue(endpoints.size() == 4);
        assertTrue(endpoints.contains(hosts.get(9)));
        assertTrue(endpoints.contains(hosts.get(0)));
        assertTrue(endpoints.contains(hosts.get(1)));
        assertTrue(endpoints.contains(hosts.get(2)));
        // token 95 should go to nodes 0, 1 and 2
        endpoints = tmd.getWriteEndpoints(keyTokens.get(9), table, strategy.getNaturalEndpoints(keyTokens.get(9)));
        assertTrue(endpoints.size() == 3);
        assertTrue(endpoints.contains(hosts.get(0)));
        assertTrue(endpoints.contains(hosts.get(1)));
        assertTrue(endpoints.contains(hosts.get(2)));
    }
    // Now finish node 6 and node 9 leaving, as well as boot1 (after this node 8 is still
    // leaving and boot2 in progress
    ss.onChange(hosts.get(LEAVING[0]), ApplicationState.STATUS, valueFactory.left(endpointTokens.get(LEAVING[0]), Gossiper.computeExpireTime()));
    ss.onChange(hosts.get(LEAVING[2]), ApplicationState.STATUS, valueFactory.left(endpointTokens.get(LEAVING[2]), Gossiper.computeExpireTime()));
    ss.onChange(boot1, ApplicationState.STATUS, valueFactory.normal(keyTokens.get(5)));
    // adjust precalcuated results.  this changes what the epected endpoints are.
    expectedEndpoints.get("Keyspace1").get(new BigIntegerToken("55")).removeAll(makeAddrs("127.0.0.7", "127.0.0.8"));
    expectedEndpoints.get("Keyspace1").get(new BigIntegerToken("85")).removeAll(makeAddrs("127.0.0.10"));
    expectedEndpoints.get("Keyspace2").get(new BigIntegerToken("55")).removeAll(makeAddrs("127.0.0.7", "127.0.0.8"));
    expectedEndpoints.get("Keyspace2").get(new BigIntegerToken("85")).removeAll(makeAddrs("127.0.0.10"));
    expectedEndpoints.get("Keyspace3").get(new BigIntegerToken("15")).removeAll(makeAddrs("127.0.0.7", "127.0.0.8"));
    expectedEndpoints.get("Keyspace3").get(new BigIntegerToken("25")).removeAll(makeAddrs("127.0.0.7", "127.0.1.2", "127.0.0.1"));
    expectedEndpoints.get("Keyspace3").get(new BigIntegerToken("35")).removeAll(makeAddrs("127.0.0.7", "127.0.0.2"));
    expectedEndpoints.get("Keyspace3").get(new BigIntegerToken("45")).removeAll(makeAddrs("127.0.0.7", "127.0.0.10", "127.0.0.3"));
    expectedEndpoints.get("Keyspace3").get(new BigIntegerToken("55")).removeAll(makeAddrs("127.0.0.7", "127.0.0.10", "127.0.0.4"));
    expectedEndpoints.get("Keyspace3").get(new BigIntegerToken("65")).removeAll(makeAddrs("127.0.0.10"));
    expectedEndpoints.get("Keyspace3").get(new BigIntegerToken("75")).removeAll(makeAddrs("127.0.0.10"));
    expectedEndpoints.get("Keyspace3").get(new BigIntegerToken("85")).removeAll(makeAddrs("127.0.0.10"));
    expectedEndpoints.get("Keyspace4").get(new BigIntegerToken("35")).removeAll(makeAddrs("127.0.0.7", "127.0.0.8"));
    expectedEndpoints.get("Keyspace4").get(new BigIntegerToken("45")).removeAll(makeAddrs("127.0.0.7", "127.0.1.2", "127.0.0.1"));
    expectedEndpoints.get("Keyspace4").get(new BigIntegerToken("55")).removeAll(makeAddrs("127.0.0.2", "127.0.0.7"));
    expectedEndpoints.get("Keyspace4").get(new BigIntegerToken("65")).removeAll(makeAddrs("127.0.0.10"));
    expectedEndpoints.get("Keyspace4").get(new BigIntegerToken("75")).removeAll(makeAddrs("127.0.0.10"));
    expectedEndpoints.get("Keyspace4").get(new BigIntegerToken("85")).removeAll(makeAddrs("127.0.0.10"));
    for (Map.Entry<String, AbstractReplicationStrategy> tableStrategy : tableStrategyMap.entrySet()) {
        String table = tableStrategy.getKey();
        AbstractReplicationStrategy strategy = tableStrategy.getValue();
        for (int i = 0; i < keyTokens.size(); i++) {
            endpoints = tmd.getWriteEndpoints(keyTokens.get(i), table, strategy.getNaturalEndpoints(keyTokens.get(i)));
            assertTrue(expectedEndpoints.get(table).get(keyTokens.get(i)).size() == endpoints.size());
            assertTrue(expectedEndpoints.get(table).get(keyTokens.get(i)).containsAll(endpoints));
        }
        if (strategy.getReplicationFactor() != 3)
            continue;
        // tokens 5, 15 and 25 should go three nodes
        for (int i = 0; i < 3; ++i) {
            endpoints = tmd.getWriteEndpoints(keyTokens.get(i), table, strategy.getNaturalEndpoints(keyTokens.get(i)));
            assertTrue(endpoints.size() == 3);
            assertTrue(endpoints.contains(hosts.get(i + 1)));
            assertTrue(endpoints.contains(hosts.get(i + 2)));
            assertTrue(endpoints.contains(hosts.get(i + 3)));
        }
        // token 35 goes to nodes 4, 5 and boot1
        endpoints = tmd.getWriteEndpoints(keyTokens.get(3), table, strategy.getNaturalEndpoints(keyTokens.get(3)));
        assertTrue(endpoints.size() == 3);
        assertTrue(endpoints.contains(hosts.get(4)));
        assertTrue(endpoints.contains(hosts.get(5)));
        assertTrue(endpoints.contains(boot1));
        // token 45 goes to nodes 5, boot1 and node7
        endpoints = tmd.getWriteEndpoints(keyTokens.get(4), table, strategy.getNaturalEndpoints(keyTokens.get(4)));
        assertTrue(endpoints.size() == 3);
        assertTrue(endpoints.contains(hosts.get(5)));
        assertTrue(endpoints.contains(boot1));
        assertTrue(endpoints.contains(hosts.get(7)));
        // token 55 goes to boot1, 7, boot2, 8 and 0
        endpoints = tmd.getWriteEndpoints(keyTokens.get(5), table, strategy.getNaturalEndpoints(keyTokens.get(5)));
        assertTrue(endpoints.size() == 5);
        assertTrue(endpoints.contains(boot1));
        assertTrue(endpoints.contains(hosts.get(7)));
        assertTrue(endpoints.contains(boot2));
        assertTrue(endpoints.contains(hosts.get(8)));
        assertTrue(endpoints.contains(hosts.get(0)));
        // token 65 goes to nodes 7, boot2, 8, 0 and 1
        endpoints = tmd.getWriteEndpoints(keyTokens.get(6), table, strategy.getNaturalEndpoints(keyTokens.get(6)));
        assertTrue(endpoints.size() == 5);
        assertTrue(endpoints.contains(hosts.get(7)));
        assertTrue(endpoints.contains(boot2));
        assertTrue(endpoints.contains(hosts.get(8)));
        assertTrue(endpoints.contains(hosts.get(0)));
        assertTrue(endpoints.contains(hosts.get(1)));
        // token 75 goes to nodes boot2, 8, 0, 1 and 2
        endpoints = tmd.getWriteEndpoints(keyTokens.get(7), table, strategy.getNaturalEndpoints(keyTokens.get(7)));
        assertTrue(endpoints.size() == 5);
        assertTrue(endpoints.contains(boot2));
        assertTrue(endpoints.contains(hosts.get(8)));
        assertTrue(endpoints.contains(hosts.get(0)));
        assertTrue(endpoints.contains(hosts.get(1)));
        assertTrue(endpoints.contains(hosts.get(2)));
        // token 85 goes to nodes 0, 1 and 2
        endpoints = tmd.getWriteEndpoints(keyTokens.get(8), table, strategy.getNaturalEndpoints(keyTokens.get(8)));
        assertTrue(endpoints.size() == 3);
        assertTrue(endpoints.contains(hosts.get(0)));
        assertTrue(endpoints.contains(hosts.get(1)));
        assertTrue(endpoints.contains(hosts.get(2)));
        // token 95 goes to nodes 0, 1 and 2
        endpoints = tmd.getWriteEndpoints(keyTokens.get(9), table, strategy.getNaturalEndpoints(keyTokens.get(9)));
        assertTrue(endpoints.size() == 3);
        assertTrue(endpoints.contains(hosts.get(0)));
        assertTrue(endpoints.contains(hosts.get(1)));
        assertTrue(endpoints.contains(hosts.get(2)));
    }
    ss.setPartitionerUnsafe(oldPartitioner);
}

Example 48 with TokenMetadata

use of org.apache.cassandra.locator.TokenMetadata in project eiger by wlloyd.

the class MoveTest method newTestWriteEndpointsDuringMove.

/*
     * Test whether write endpoints is correct when the node is moving. Uses
     * StorageService.onChange and does not manipulate token metadata directly.
     */
@Test
public void newTestWriteEndpointsDuringMove() throws Exception {
    StorageService ss = StorageService.instance;
    final int RING_SIZE = 10;
    // index of the moving node
    final int MOVING_NODE = 3;
    TokenMetadata tmd = ss.getTokenMetadata();
    tmd.clearUnsafe();
    IPartitioner partitioner = new RandomPartitioner();
    VersionedValue.VersionedValueFactory valueFactory = new VersionedValue.VersionedValueFactory(partitioner);
    IPartitioner oldPartitioner = ss.setPartitionerUnsafe(partitioner);
    ArrayList<Token> endpointTokens = new ArrayList<Token>();
    ArrayList<Token> keyTokens = new ArrayList<Token>();
    List<InetAddress> hosts = new ArrayList<InetAddress>();
    Util.createInitialRing(ss, partitioner, endpointTokens, keyTokens, hosts, RING_SIZE);
    Map<Token, List<InetAddress>> expectedEndpoints = new HashMap<Token, List<InetAddress>>();
    for (String table : Schema.instance.getNonSystemTables()) {
        for (Token token : keyTokens) {
            List<InetAddress> endpoints = new ArrayList<InetAddress>();
            Iterator<Token> tokenIter = TokenMetadata.ringIterator(tmd.sortedTokens(), token, false);
            while (tokenIter.hasNext()) {
                endpoints.add(tmd.getEndpoint(tokenIter.next()));
            }
            expectedEndpoints.put(token, endpoints);
        }
    }
    // node LEAVING_NODE should move to this token
    Token newToken = positionToken(MOVING_NODE);
    // Third node leaves
    ss.onChange(hosts.get(MOVING_NODE), ApplicationState.STATUS, valueFactory.moving(newToken));
    assertTrue(tmd.isMoving(hosts.get(MOVING_NODE)));
    AbstractReplicationStrategy strategy;
    for (String table : Schema.instance.getNonSystemTables()) {
        strategy = getStrategy(table, tmd);
        for (Token token : keyTokens) {
            int replicationFactor = strategy.getReplicationFactor();
            HashSet<InetAddress> actual = new HashSet<InetAddress>(tmd.getWriteEndpoints(token, table, strategy.calculateNaturalEndpoints(token, tmd)));
            HashSet<InetAddress> expected = new HashSet<InetAddress>();
            for (int i = 0; i < replicationFactor; i++) {
                expected.add(expectedEndpoints.get(token).get(i));
            }
            assertEquals("mismatched endpoint sets", expected, actual);
        }
    }
    // moving endpoint back to the normal state
    ss.onChange(hosts.get(MOVING_NODE), ApplicationState.STATUS, valueFactory.normal(newToken));
    ss.setPartitionerUnsafe(oldPartitioner);
}

Example 49 with TokenMetadata

use of org.apache.cassandra.locator.TokenMetadata in project eiger by wlloyd.

the class BootStrapperTest method generateFakeEndpoints.

private void generateFakeEndpoints(int numOldNodes) throws UnknownHostException {
    TokenMetadata tmd = StorageService.instance.getTokenMetadata();
    tmd.clearUnsafe();
    IPartitioner<?> p = StorageService.getPartitioner();
    for (int i = 1; i <= numOldNodes; i++) {
        // leave .1 for myEndpoint
        tmd.updateNormalToken(p.getRandomToken(), InetAddress.getByName("127.0.0." + (i + 1)));
    }
}

Example 50 with TokenMetadata

use of org.apache.cassandra.locator.TokenMetadata in project eiger by wlloyd.

the class BootStrapperTest method testSourceTargetComputation.

private void testSourceTargetComputation(String table, int numOldNodes, int replicationFactor) throws UnknownHostException {
    StorageService ss = StorageService.instance;
    generateFakeEndpoints(numOldNodes);
    Token myToken = StorageService.getPartitioner().getRandomToken();
    InetAddress myEndpoint = InetAddress.getByName("127.0.0.1");
    TokenMetadata tmd = ss.getTokenMetadata();
    assertEquals(numOldNodes, tmd.sortedTokens().size());
    BootStrapper b = new BootStrapper(myEndpoint, myToken, tmd);
    Multimap<Range<Token>, InetAddress> res = b.getRangesWithSources(table);
    int transferCount = 0;
    for (Map.Entry<Range<Token>, Collection<InetAddress>> e : res.asMap().entrySet()) {
        assert e.getValue() != null && e.getValue().size() > 0 : StringUtils.join(e.getValue(), ", ");
        transferCount++;
    }
    assertEquals(replicationFactor, transferCount);
    IFailureDetector mockFailureDetector = new IFailureDetector() {

        public boolean isAlive(InetAddress ep) {
            return true;
        }

        public void interpret(InetAddress ep) {
            throw new UnsupportedOperationException();
        }

        public void report(InetAddress ep) {
            throw new UnsupportedOperationException();
        }

        public void registerFailureDetectionEventListener(IFailureDetectionEventListener listener) {
            throw new UnsupportedOperationException();
        }

        public void unregisterFailureDetectionEventListener(IFailureDetectionEventListener listener) {
            throw new UnsupportedOperationException();
        }

        public void remove(InetAddress ep) {
            throw new UnsupportedOperationException();
        }

        public void clear(InetAddress ep) {
            throw new UnsupportedOperationException();
        }
    };
    Multimap<InetAddress, Range<Token>> temp = BootStrapper.getWorkMap(res, mockFailureDetector);
    // is used, they will vary.
    assert temp.keySet().size() > 0;
    assert temp.asMap().values().iterator().next().size() > 0;
    assert !temp.keySet().iterator().next().equals(myEndpoint);
}