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

Example 26 with TokenMetadata

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

the class MoveTest method testSimultaneousMove.

/*
     * Test 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[] MOVING = new int[] { 6, 8, 9 };
    Map<Integer, Token> newTokens = new HashMap<Integer, Token>();
    for (int movingIndex : MOVING) {
        Token newToken = positionToken(movingIndex);
        ss.onChange(hosts.get(movingIndex), ApplicationState.STATUS, valueFactory.moving(newToken));
        // storing token associated with a node index
        newTokens.put(movingIndex, newToken);
    }
    Collection<InetAddress> endpoints;
    tmd = tmd.cloneAfterAllSettled();
    ss.setTokenMetadataUnsafe(tmd);
    // 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)));
    // 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));
    }
    /**
        *  Keyspace1 & Keyspace2 RF=1
        *  {
        *      /127.0.0.1=[(92,0]],
        *      /127.0.0.2=[(0,10]],
        *      /127.0.0.3=[(10,20]],
        *      /127.0.0.4=[(20,30]],
        *      /127.0.0.5=[(30,40]],
        *      /127.0.0.6=[(40,50]],
        *      /127.0.0.7=[(50,62]],
        *      /127.0.0.8=[(62,70]],
        *      /127.0.0.9=[(70,82]],
        *      /127.0.0.10=[(82,92]]
        *  }
        */
    Multimap<InetAddress, Range<Token>> keyspace1ranges = tableStrategyMap.get("Keyspace1").getAddressRanges();
    Collection<Range<Token>> ranges1 = keyspace1ranges.get(InetAddress.getByName("127.0.0.1"));
    assertEquals(collectionSize(ranges1), 1);
    assertTrue(ranges1.iterator().next().equals(generateRange(92, 0)));
    Collection<Range<Token>> ranges2 = keyspace1ranges.get(InetAddress.getByName("127.0.0.2"));
    assertEquals(collectionSize(ranges2), 1);
    assertTrue(ranges2.iterator().next().equals(generateRange(0, 10)));
    Collection<Range<Token>> ranges3 = keyspace1ranges.get(InetAddress.getByName("127.0.0.3"));
    assertEquals(collectionSize(ranges3), 1);
    assertTrue(ranges3.iterator().next().equals(generateRange(10, 20)));
    Collection<Range<Token>> ranges4 = keyspace1ranges.get(InetAddress.getByName("127.0.0.4"));
    assertEquals(collectionSize(ranges4), 1);
    assertTrue(ranges4.iterator().next().equals(generateRange(20, 30)));
    Collection<Range<Token>> ranges5 = keyspace1ranges.get(InetAddress.getByName("127.0.0.5"));
    assertEquals(collectionSize(ranges5), 1);
    assertTrue(ranges5.iterator().next().equals(generateRange(30, 40)));
    Collection<Range<Token>> ranges6 = keyspace1ranges.get(InetAddress.getByName("127.0.0.6"));
    assertEquals(collectionSize(ranges6), 1);
    assertTrue(ranges6.iterator().next().equals(generateRange(40, 50)));
    Collection<Range<Token>> ranges7 = keyspace1ranges.get(InetAddress.getByName("127.0.0.7"));
    assertEquals(collectionSize(ranges7), 1);
    assertTrue(ranges7.iterator().next().equals(generateRange(50, 62)));
    Collection<Range<Token>> ranges8 = keyspace1ranges.get(InetAddress.getByName("127.0.0.8"));
    assertEquals(collectionSize(ranges8), 1);
    assertTrue(ranges8.iterator().next().equals(generateRange(62, 70)));
    Collection<Range<Token>> ranges9 = keyspace1ranges.get(InetAddress.getByName("127.0.0.9"));
    assertEquals(collectionSize(ranges9), 1);
    assertTrue(ranges9.iterator().next().equals(generateRange(70, 82)));
    Collection<Range<Token>> ranges10 = keyspace1ranges.get(InetAddress.getByName("127.0.0.10"));
    assertEquals(collectionSize(ranges10), 1);
    assertTrue(ranges10.iterator().next().equals(generateRange(82, 92)));
    /**
        * Keyspace3 RF=5
        * {
        *      /127.0.0.1=[(92,0], (70,82], (50,62], (82,92], (62,70]],
        *      /127.0.0.2=[(92,0], (70,82], (82,92], (0,10], (62,70]],
        *      /127.0.0.3=[(92,0], (70,82], (82,92], (0,10], (10,20]],
        *      /127.0.0.4=[(92,0], (20,30], (82,92], (0,10], (10,20]],
        *      /127.0.0.5=[(92,0], (30,40], (20,30], (0,10], (10,20]],
        *      /127.0.0.6=[(40,50], (30,40], (20,30], (0,10], (10,20]],
        *      /127.0.0.7=[(40,50], (30,40], (50,62], (20,30], (10,20]],
        *      /127.0.0.8=[(40,50], (30,40], (50,62], (20,30], (62,70]],
        *      /127.0.0.9=[(40,50], (70,82], (30,40], (50,62], (62,70]],
        *      /127.0.0.10=[(40,50], (70,82], (50,62], (82,92], (62,70]]
        * }
        */
    Multimap<InetAddress, Range<Token>> keyspace3ranges = tableStrategyMap.get("Keyspace3").getAddressRanges();
    ranges1 = keyspace3ranges.get(InetAddress.getByName("127.0.0.1"));
    assertEquals(collectionSize(ranges1), 5);
    assertTrue(ranges1.equals(generateRanges(92, 0, 70, 82, 50, 62, 82, 92, 62, 70)));
    ranges2 = keyspace3ranges.get(InetAddress.getByName("127.0.0.2"));
    assertEquals(collectionSize(ranges2), 5);
    assertTrue(ranges2.equals(generateRanges(92, 0, 70, 82, 82, 92, 0, 10, 62, 70)));
    ranges3 = keyspace3ranges.get(InetAddress.getByName("127.0.0.3"));
    assertEquals(collectionSize(ranges3), 5);
    assertTrue(ranges3.equals(generateRanges(92, 0, 70, 82, 82, 92, 0, 10, 10, 20)));
    ranges4 = keyspace3ranges.get(InetAddress.getByName("127.0.0.4"));
    assertEquals(collectionSize(ranges4), 5);
    assertTrue(ranges4.equals(generateRanges(92, 0, 20, 30, 82, 92, 0, 10, 10, 20)));
    ranges5 = keyspace3ranges.get(InetAddress.getByName("127.0.0.5"));
    assertEquals(collectionSize(ranges5), 5);
    assertTrue(ranges5.equals(generateRanges(92, 0, 30, 40, 20, 30, 0, 10, 10, 20)));
    ranges6 = keyspace3ranges.get(InetAddress.getByName("127.0.0.6"));
    assertEquals(collectionSize(ranges6), 5);
    assertTrue(ranges6.equals(generateRanges(40, 50, 30, 40, 20, 30, 0, 10, 10, 20)));
    ranges7 = keyspace3ranges.get(InetAddress.getByName("127.0.0.7"));
    assertEquals(collectionSize(ranges7), 5);
    assertTrue(ranges7.equals(generateRanges(40, 50, 30, 40, 50, 62, 20, 30, 10, 20)));
    ranges8 = keyspace3ranges.get(InetAddress.getByName("127.0.0.8"));
    assertEquals(collectionSize(ranges8), 5);
    assertTrue(ranges8.equals(generateRanges(40, 50, 30, 40, 50, 62, 20, 30, 62, 70)));
    ranges9 = keyspace3ranges.get(InetAddress.getByName("127.0.0.9"));
    assertEquals(collectionSize(ranges9), 5);
    assertTrue(ranges9.equals(generateRanges(40, 50, 70, 82, 30, 40, 50, 62, 62, 70)));
    ranges10 = keyspace3ranges.get(InetAddress.getByName("127.0.0.10"));
    assertEquals(collectionSize(ranges10), 5);
    assertTrue(ranges10.equals(generateRanges(40, 50, 70, 82, 50, 62, 82, 92, 62, 70)));
    /**
         * Keyspace4 RF=3
         * {
         *      /127.0.0.1=[(92,0], (70,82], (82,92]],
         *      /127.0.0.2=[(92,0], (82,92], (0,10]],
         *      /127.0.0.3=[(92,0], (0,10], (10,20]],
         *      /127.0.0.4=[(20,30], (0,10], (10,20]],
         *      /127.0.0.5=[(30,40], (20,30], (10,20]],
         *      /127.0.0.6=[(40,50], (30,40], (20,30]],
         *      /127.0.0.7=[(40,50], (30,40], (50,62]],
         *      /127.0.0.8=[(40,50], (50,62], (62,70]],
         *      /127.0.0.9=[(70,82], (50,62], (62,70]],
         *      /127.0.0.10=[(70,82], (82,92], (62,70]]
         *  }
         */
    Multimap<InetAddress, Range<Token>> keyspace4ranges = tableStrategyMap.get("Keyspace4").getAddressRanges();
    ranges1 = keyspace4ranges.get(InetAddress.getByName("127.0.0.1"));
    assertEquals(collectionSize(ranges1), 3);
    assertTrue(ranges1.equals(generateRanges(92, 0, 70, 82, 82, 92)));
    ranges2 = keyspace4ranges.get(InetAddress.getByName("127.0.0.2"));
    assertEquals(collectionSize(ranges2), 3);
    assertTrue(ranges2.equals(generateRanges(92, 0, 82, 92, 0, 10)));
    ranges3 = keyspace4ranges.get(InetAddress.getByName("127.0.0.3"));
    assertEquals(collectionSize(ranges3), 3);
    assertTrue(ranges3.equals(generateRanges(92, 0, 0, 10, 10, 20)));
    ranges4 = keyspace4ranges.get(InetAddress.getByName("127.0.0.4"));
    assertEquals(collectionSize(ranges4), 3);
    assertTrue(ranges4.equals(generateRanges(20, 30, 0, 10, 10, 20)));
    ranges5 = keyspace4ranges.get(InetAddress.getByName("127.0.0.5"));
    assertEquals(collectionSize(ranges5), 3);
    assertTrue(ranges5.equals(generateRanges(30, 40, 20, 30, 10, 20)));
    ranges6 = keyspace4ranges.get(InetAddress.getByName("127.0.0.6"));
    assertEquals(collectionSize(ranges6), 3);
    assertTrue(ranges6.equals(generateRanges(40, 50, 30, 40, 20, 30)));
    ranges7 = keyspace4ranges.get(InetAddress.getByName("127.0.0.7"));
    assertEquals(collectionSize(ranges7), 3);
    assertTrue(ranges7.equals(generateRanges(40, 50, 30, 40, 50, 62)));
    ranges8 = keyspace4ranges.get(InetAddress.getByName("127.0.0.8"));
    assertEquals(collectionSize(ranges8), 3);
    assertTrue(ranges8.equals(generateRanges(40, 50, 50, 62, 62, 70)));
    ranges9 = keyspace4ranges.get(InetAddress.getByName("127.0.0.9"));
    assertEquals(collectionSize(ranges9), 3);
    assertTrue(ranges9.equals(generateRanges(70, 82, 50, 62, 62, 70)));
    ranges10 = keyspace4ranges.get(InetAddress.getByName("127.0.0.10"));
    assertEquals(collectionSize(ranges10), 3);
    assertTrue(ranges10.equals(generateRanges(70, 82, 82, 92, 62, 70)));
    // 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", "127.0.1.1"));
    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"));
    expectedEndpoints.get("Keyspace1").putAll(new BigIntegerToken("85"), makeAddrs("127.0.0.10"));
    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", "127.0.1.1"));
    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"));
    expectedEndpoints.get("Keyspace2").putAll(new BigIntegerToken("85"), makeAddrs("127.0.0.10"));
    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"));
    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", "127.0.1.1"));
    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", "127.0.1.1", "127.0.1.2"));
    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", "127.0.1.1", "127.0.1.2"));
    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", "127.0.1.1", "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"));
    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"));
    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"));
    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"));
    expectedEndpoints.get("Keyspace4").putAll(new BigIntegerToken("45"), makeAddrs("127.0.0.6", "127.0.0.7", "127.0.0.8", "127.0.1.1"));
    expectedEndpoints.get("Keyspace4").putAll(new BigIntegerToken("55"), makeAddrs("127.0.0.7", "127.0.0.8", "127.0.0.9", "127.0.1.1", "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"));
    expectedEndpoints.get("Keyspace4").putAll(new BigIntegerToken("75"), makeAddrs("127.0.0.9", "127.0.0.10", "127.0.0.1", "127.0.1.2"));
    expectedEndpoints.get("Keyspace4").putAll(new BigIntegerToken("85"), makeAddrs("127.0.0.10", "127.0.0.1", "127.0.0.2"));
    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 (Token token : keyTokens) {
            endpoints = tmd.getWriteEndpoints(token, table, strategy.getNaturalEndpoints(token));
            assertTrue(expectedEndpoints.get(table).get(token).size() == endpoints.size());
            assertTrue(expectedEndpoints.get(table).get(token).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 and boot1
        endpoints = tmd.getWriteEndpoints(keyTokens.get(3), table, strategy.getNaturalEndpoints(keyTokens.get(3)));
        assertTrue(endpoints.size() == 4);
        assertTrue(endpoints.contains(hosts.get(4)));
        assertTrue(endpoints.contains(hosts.get(5)));
        assertTrue(endpoints.contains(hosts.get(6)));
        assertTrue(endpoints.contains(boot1));
        // token 45 should go to nodes 5, 6, 7 boot1
        endpoints = tmd.getWriteEndpoints(keyTokens.get(4), table, strategy.getNaturalEndpoints(keyTokens.get(4)));
        assertTrue(endpoints.size() == 4);
        assertTrue(endpoints.contains(hosts.get(5)));
        assertTrue(endpoints.contains(hosts.get(6)));
        assertTrue(endpoints.contains(hosts.get(7)));
        assertTrue(endpoints.contains(boot1));
        // token 55 should go to nodes 6, 7, 8 boot1 and boot2
        endpoints = tmd.getWriteEndpoints(keyTokens.get(5), table, strategy.getNaturalEndpoints(keyTokens.get(5)));
        assertTrue(endpoints.size() == 5);
        assertTrue(endpoints.contains(hosts.get(6)));
        assertTrue(endpoints.contains(hosts.get(7)));
        assertTrue(endpoints.contains(hosts.get(8)));
        assertTrue(endpoints.contains(boot1));
        assertTrue(endpoints.contains(boot2));
        // token 65 should go to nodes 7, 8, 9 and boot2
        endpoints = tmd.getWriteEndpoints(keyTokens.get(6), table, strategy.getNaturalEndpoints(keyTokens.get(6)));
        assertTrue(endpoints.size() == 4);
        assertTrue(endpoints.contains(hosts.get(7)));
        assertTrue(endpoints.contains(hosts.get(8)));
        assertTrue(endpoints.contains(hosts.get(9)));
        assertTrue(endpoints.contains(boot2));
        // token 75 should to go nodes 8, 9, 0 and boot2
        endpoints = tmd.getWriteEndpoints(keyTokens.get(7), table, strategy.getNaturalEndpoints(keyTokens.get(7)));
        assertTrue(endpoints.size() == 4);
        assertTrue(endpoints.contains(hosts.get(8)));
        assertTrue(endpoints.contains(hosts.get(9)));
        assertTrue(endpoints.contains(hosts.get(0)));
        assertTrue(endpoints.contains(boot2));
        // token 85 should go to nodes 9, 0, 1
        endpoints = tmd.getWriteEndpoints(keyTokens.get(8), table, strategy.getNaturalEndpoints(keyTokens.get(8)));
        assertTrue(endpoints.size() == 3);
        assertTrue(endpoints.contains(hosts.get(9)));
        assertTrue(endpoints.contains(hosts.get(0)));
        assertTrue(endpoints.contains(hosts.get(1)));
        // 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)));
    }
    // all moving nodes are back to the normal state
    for (Integer movingIndex : MOVING) {
        ss.onChange(hosts.get(movingIndex), ApplicationState.STATUS, valueFactory.normal(newTokens.get(movingIndex)));
    }
    ss.setPartitionerUnsafe(oldPartitioner);
}

Example 27 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 28 with TokenMetadata

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

the class StorageProxyTest method beforeClass.

@BeforeClass
public static void beforeClass() throws Throwable {
    TokenMetadata tmd = StorageService.instance.getTokenMetadata();
    tmd.updateNormalToken(token("1"), InetAddress.getByName("127.0.0.1"));
    tmd.updateNormalToken(token("6"), InetAddress.getByName("127.0.0.6"));
}

Example 29 with TokenMetadata

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

the class TokenMetadataTest method beforeClass.

@BeforeClass
public static void beforeClass() throws Throwable {
    TokenMetadata tmd = StorageService.instance.getTokenMetadata();
    tmd.updateNormalToken(token(ONE), InetAddress.getByName("127.0.0.1"));
    tmd.updateNormalToken(token(SIX), InetAddress.getByName("127.0.0.6"));
    RING = tmd.sortedTokens();
}

Example 30 with TokenMetadata

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

the class LeaveAndBootstrapTest method testStateJumpToBootstrap.

@Test
public void testStateJumpToBootstrap() 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, 7);
    // node 2 leaves
    ss.onChange(hosts.get(2), ApplicationState.STATUS, valueFactory.leaving(endpointTokens.get(2)));
    // don't bother to test pending ranges here, that is extensively tested by other
    // tests. Just check that the node is in appropriate lists.
    assertTrue(tmd.isMember(hosts.get(2)));
    assertTrue(tmd.isLeaving(hosts.get(2)));
    assertTrue(tmd.getBootstrapTokens().isEmpty());
    // Bootstrap the node immedidiately to keyTokens.get(4) without going through STATE_LEFT
    ss.onChange(hosts.get(2), ApplicationState.STATUS, valueFactory.bootstrapping(keyTokens.get(4)));
    assertFalse(tmd.isMember(hosts.get(2)));
    assertFalse(tmd.isLeaving(hosts.get(2)));
    assertTrue(tmd.getBootstrapTokens().get(keyTokens.get(4)).equals(hosts.get(2)));
    // Bootstrap node hosts.get(3) to keyTokens.get(1)
    ss.onChange(hosts.get(3), ApplicationState.STATUS, valueFactory.bootstrapping(keyTokens.get(1)));
    assertFalse(tmd.isMember(hosts.get(3)));
    assertFalse(tmd.isLeaving(hosts.get(3)));
    assertTrue(tmd.getBootstrapTokens().get(keyTokens.get(4)).equals(hosts.get(2)));
    assertTrue(tmd.getBootstrapTokens().get(keyTokens.get(1)).equals(hosts.get(3)));
    // Bootstrap node hosts.get(2) further to keyTokens.get(3)
    ss.onChange(hosts.get(2), ApplicationState.STATUS, valueFactory.bootstrapping(keyTokens.get(3)));
    assertFalse(tmd.isMember(hosts.get(2)));
    assertFalse(tmd.isLeaving(hosts.get(2)));
    assertTrue(tmd.getBootstrapTokens().get(keyTokens.get(3)).equals(hosts.get(2)));
    assertTrue(tmd.getBootstrapTokens().get(keyTokens.get(4)) == null);
    assertTrue(tmd.getBootstrapTokens().get(keyTokens.get(1)).equals(hosts.get(3)));
    // Go to normal again for both nodes
    ss.onChange(hosts.get(2), ApplicationState.STATUS, valueFactory.normal(keyTokens.get(3)));
    ss.onChange(hosts.get(3), ApplicationState.STATUS, valueFactory.normal(keyTokens.get(2)));
    assertTrue(tmd.isMember(hosts.get(2)));
    assertFalse(tmd.isLeaving(hosts.get(2)));
    assertTrue(tmd.getToken(hosts.get(2)).equals(keyTokens.get(3)));
    assertTrue(tmd.isMember(hosts.get(3)));
    assertFalse(tmd.isLeaving(hosts.get(3)));
    assertTrue(tmd.getToken(hosts.get(3)).equals(keyTokens.get(2)));
    assertTrue(tmd.getBootstrapTokens().isEmpty());
    ss.setPartitionerUnsafe(oldPartitioner);
}