Examples with IPartitioner org.apache.cassandra.dht.IPartitioner used on opensource projects

Example 36 with IPartitioner

use of org.apache.cassandra.dht.IPartitioner in project cassandra by apache.

the class MoveTest method testSimultaneousMove.

/*
     * Test ranges and write endpoints when multiple nodes are on the move simultaneously
     */
@Test
public void testSimultaneousMove() throws UnknownHostException {
    StorageService ss = StorageService.instance;
    final int RING_SIZE = 10;
    TokenMetadata tmd = ss.getTokenMetadata();
    IPartitioner partitioner = RandomPartitioner.instance;
    VersionedValue.VersionedValueFactory valueFactory = new VersionedValue.VersionedValueFactory(partitioner);
    ArrayList<Token> endpointTokens = new ArrayList<Token>();
    ArrayList<Token> keyTokens = new ArrayList<Token>();
    List<InetAddress> hosts = new ArrayList<InetAddress>();
    List<UUID> hostIds = new ArrayList<UUID>();
    // create a ring or 10 nodes
    Util.createInitialRing(ss, partitioner, endpointTokens, keyTokens, hosts, hostIds, 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");
    Gossiper.instance.initializeNodeUnsafe(boot1, UUID.randomUUID(), 1);
    Gossiper.instance.injectApplicationState(boot1, ApplicationState.TOKENS, valueFactory.tokens(Collections.singleton(keyTokens.get(5))));
    ss.onChange(boot1, ApplicationState.STATUS, valueFactory.bootstrapping(Collections.<Token>singleton(keyTokens.get(5))));
    PendingRangeCalculatorService.instance.blockUntilFinished();
    InetAddress boot2 = InetAddress.getByName("127.0.1.2");
    Gossiper.instance.initializeNodeUnsafe(boot2, UUID.randomUUID(), 1);
    Gossiper.instance.injectApplicationState(boot2, ApplicationState.TOKENS, valueFactory.tokens(Collections.singleton(keyTokens.get(7))));
    ss.onChange(boot2, ApplicationState.STATUS, valueFactory.bootstrapping(Collections.<Token>singleton(keyTokens.get(7))));
    PendingRangeCalculatorService.instance.blockUntilFinished();
    // don't require test update every time a new keyspace is added to test/conf/cassandra.yaml
    Map<String, AbstractReplicationStrategy> keyspaceStrategyMap = new HashMap<String, AbstractReplicationStrategy>();
    for (int i = 1; i <= 4; i++) {
        keyspaceStrategyMap.put("MoveTestKeyspace" + i, getStrategy("MoveTestKeyspace" + i, tmd));
    }
    /**
        *  Keyspace1 & Keyspace2 RF=1
        *  {
        *      /127.0.0.1=[(97,0]],
        *      /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=[(50,67]],
        *      /127.0.0.8=[(67,70]],
        *      /127.0.0.9=[(70,87]],
        *      /127.0.0.10=[(87,97]]
        *  }
        */
    Multimap<InetAddress, Range<Token>> keyspace1ranges = keyspaceStrategyMap.get(Simple_RF1_KeyspaceName).getAddressRanges();
    Collection<Range<Token>> ranges1 = keyspace1ranges.get(InetAddress.getByName("127.0.0.1"));
    assertEquals(1, collectionSize(ranges1));
    assertEquals(generateRange(97, 0), ranges1.iterator().next());
    Collection<Range<Token>> ranges2 = keyspace1ranges.get(InetAddress.getByName("127.0.0.2"));
    assertEquals(1, collectionSize(ranges2));
    assertEquals(generateRange(0, 10), ranges2.iterator().next());
    Collection<Range<Token>> ranges3 = keyspace1ranges.get(InetAddress.getByName("127.0.0.3"));
    assertEquals(1, collectionSize(ranges3));
    assertEquals(generateRange(10, 20), ranges3.iterator().next());
    Collection<Range<Token>> ranges4 = keyspace1ranges.get(InetAddress.getByName("127.0.0.4"));
    assertEquals(1, collectionSize(ranges4));
    assertEquals(generateRange(20, 30), ranges4.iterator().next());
    Collection<Range<Token>> ranges5 = keyspace1ranges.get(InetAddress.getByName("127.0.0.5"));
    assertEquals(1, collectionSize(ranges5));
    assertEquals(generateRange(30, 40), ranges5.iterator().next());
    Collection<Range<Token>> ranges6 = keyspace1ranges.get(InetAddress.getByName("127.0.0.6"));
    assertEquals(1, collectionSize(ranges6));
    assertEquals(generateRange(40, 50), ranges6.iterator().next());
    Collection<Range<Token>> ranges7 = keyspace1ranges.get(InetAddress.getByName("127.0.0.7"));
    assertEquals(1, collectionSize(ranges7));
    assertEquals(generateRange(50, 67), ranges7.iterator().next());
    Collection<Range<Token>> ranges8 = keyspace1ranges.get(InetAddress.getByName("127.0.0.8"));
    assertEquals(1, collectionSize(ranges8));
    assertEquals(generateRange(67, 70), ranges8.iterator().next());
    Collection<Range<Token>> ranges9 = keyspace1ranges.get(InetAddress.getByName("127.0.0.9"));
    assertEquals(1, collectionSize(ranges9));
    assertEquals(generateRange(70, 87), ranges9.iterator().next());
    Collection<Range<Token>> ranges10 = keyspace1ranges.get(InetAddress.getByName("127.0.0.10"));
    assertEquals(1, collectionSize(ranges10));
    assertEquals(generateRange(87, 97), ranges10.iterator().next());
    /**
        * Keyspace3 RF=5
        * {
        *      /127.0.0.1=[(97,0], (70,87], (50,67], (87,97], (67,70]],
        *      /127.0.0.2=[(97,0], (70,87], (87,97], (0,10], (67,70]],
        *      /127.0.0.3=[(97,0], (70,87], (87,97], (0,10], (10,20]],
        *      /127.0.0.4=[(97,0], (20,30], (87,97], (0,10], (10,20]],
        *      /127.0.0.5=[(97,0], (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], (50,67], (20,30], (10,20]],
        *      /127.0.0.8=[(40,50], (30,40], (50,67], (20,30], (67,70]],
        *      /127.0.0.9=[(40,50], (70,87], (30,40], (50,67], (67,70]],
        *      /127.0.0.10=[(40,50], (70,87], (50,67], (87,97], (67,70]]
        * }
        */
    Multimap<InetAddress, Range<Token>> keyspace3ranges = keyspaceStrategyMap.get(KEYSPACE3).getAddressRanges();
    ranges1 = keyspace3ranges.get(InetAddress.getByName("127.0.0.1"));
    assertEquals(collectionSize(ranges1), 5);
    assertTrue(ranges1.equals(generateRanges(97, 0, 70, 87, 50, 67, 87, 97, 67, 70)));
    ranges2 = keyspace3ranges.get(InetAddress.getByName("127.0.0.2"));
    assertEquals(collectionSize(ranges2), 5);
    assertTrue(ranges2.equals(generateRanges(97, 0, 70, 87, 87, 97, 0, 10, 67, 70)));
    ranges3 = keyspace3ranges.get(InetAddress.getByName("127.0.0.3"));
    assertEquals(collectionSize(ranges3), 5);
    assertTrue(ranges3.equals(generateRanges(97, 0, 70, 87, 87, 97, 0, 10, 10, 20)));
    ranges4 = keyspace3ranges.get(InetAddress.getByName("127.0.0.4"));
    assertEquals(collectionSize(ranges4), 5);
    assertTrue(ranges4.equals(generateRanges(97, 0, 20, 30, 87, 97, 0, 10, 10, 20)));
    ranges5 = keyspace3ranges.get(InetAddress.getByName("127.0.0.5"));
    assertEquals(collectionSize(ranges5), 5);
    assertTrue(ranges5.equals(generateRanges(97, 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, 67, 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, 67, 20, 30, 67, 70)));
    ranges9 = keyspace3ranges.get(InetAddress.getByName("127.0.0.9"));
    assertEquals(collectionSize(ranges9), 5);
    assertTrue(ranges9.equals(generateRanges(40, 50, 70, 87, 30, 40, 50, 67, 67, 70)));
    ranges10 = keyspace3ranges.get(InetAddress.getByName("127.0.0.10"));
    assertEquals(collectionSize(ranges10), 5);
    assertTrue(ranges10.equals(generateRanges(40, 50, 70, 87, 50, 67, 87, 97, 67, 70)));
    /**
         * Keyspace4 RF=3
         * {
         *      /127.0.0.1=[(97,0], (70,87], (87,97]],
         *      /127.0.0.2=[(97,0], (87,97], (0,10]],
         *      /127.0.0.3=[(97,0], (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], (50,67]],
         *      /127.0.0.8=[(40,50], (50,67], (67,70]],
         *      /127.0.0.9=[(70,87], (50,67], (67,70]],
         *      /127.0.0.10=[(70,87], (87,97], (67,70]]
         *  }
         */
    Multimap<InetAddress, Range<Token>> keyspace4ranges = keyspaceStrategyMap.get(Simple_RF3_KeyspaceName).getAddressRanges();
    ranges1 = keyspace4ranges.get(InetAddress.getByName("127.0.0.1"));
    assertEquals(collectionSize(ranges1), 3);
    assertTrue(ranges1.equals(generateRanges(97, 0, 70, 87, 87, 97)));
    ranges2 = keyspace4ranges.get(InetAddress.getByName("127.0.0.2"));
    assertEquals(collectionSize(ranges2), 3);
    assertTrue(ranges2.equals(generateRanges(97, 0, 87, 97, 0, 10)));
    ranges3 = keyspace4ranges.get(InetAddress.getByName("127.0.0.3"));
    assertEquals(collectionSize(ranges3), 3);
    assertTrue(ranges3.equals(generateRanges(97, 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, 67)));
    ranges8 = keyspace4ranges.get(InetAddress.getByName("127.0.0.8"));
    assertEquals(collectionSize(ranges8), 3);
    assertTrue(ranges8.equals(generateRanges(40, 50, 50, 67, 67, 70)));
    ranges9 = keyspace4ranges.get(InetAddress.getByName("127.0.0.9"));
    assertEquals(collectionSize(ranges9), 3);
    assertTrue(ranges9.equals(generateRanges(70, 87, 50, 67, 67, 70)));
    ranges10 = keyspace4ranges.get(InetAddress.getByName("127.0.0.10"));
    assertEquals(collectionSize(ranges10), 3);
    assertTrue(ranges10.equals(generateRanges(70, 87, 87, 97, 67, 70)));
    // pre-calculate the results.
    Map<String, Multimap<Token, InetAddress>> expectedEndpoints = new HashMap<String, Multimap<Token, InetAddress>>();
    expectedEndpoints.put(Simple_RF1_KeyspaceName, HashMultimap.<Token, InetAddress>create());
    expectedEndpoints.get(Simple_RF1_KeyspaceName).putAll(new BigIntegerToken("5"), makeAddrs("127.0.0.2"));
    expectedEndpoints.get(Simple_RF1_KeyspaceName).putAll(new BigIntegerToken("15"), makeAddrs("127.0.0.3"));
    expectedEndpoints.get(Simple_RF1_KeyspaceName).putAll(new BigIntegerToken("25"), makeAddrs("127.0.0.4"));
    expectedEndpoints.get(Simple_RF1_KeyspaceName).putAll(new BigIntegerToken("35"), makeAddrs("127.0.0.5"));
    expectedEndpoints.get(Simple_RF1_KeyspaceName).putAll(new BigIntegerToken("45"), makeAddrs("127.0.0.6"));
    expectedEndpoints.get(Simple_RF1_KeyspaceName).putAll(new BigIntegerToken("55"), makeAddrs("127.0.0.7", "127.0.1.1"));
    expectedEndpoints.get(Simple_RF1_KeyspaceName).putAll(new BigIntegerToken("65"), makeAddrs("127.0.0.7"));
    expectedEndpoints.get(Simple_RF1_KeyspaceName).putAll(new BigIntegerToken("75"), makeAddrs("127.0.0.9", "127.0.1.2"));
    expectedEndpoints.get(Simple_RF1_KeyspaceName).putAll(new BigIntegerToken("85"), makeAddrs("127.0.0.9"));
    expectedEndpoints.get(Simple_RF1_KeyspaceName).putAll(new BigIntegerToken("95"), makeAddrs("127.0.0.10"));
    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("127.0.0.7"));
    expectedEndpoints.get(KEYSPACE2).putAll(new BigIntegerToken("75"), makeAddrs("127.0.0.9", "127.0.1.2"));
    expectedEndpoints.get(KEYSPACE2).putAll(new BigIntegerToken("85"), makeAddrs("127.0.0.9"));
    expectedEndpoints.get(KEYSPACE2).putAll(new BigIntegerToken("95"), makeAddrs("127.0.0.10"));
    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("127.0.0.7", "127.0.0.8", "127.0.0.9", "127.0.0.10", "127.0.0.1", "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("127.0.0.9", "127.0.0.10", "127.0.0.1", "127.0.0.2", "127.0.0.3"));
    expectedEndpoints.get(KEYSPACE3).putAll(new BigIntegerToken("95"), makeAddrs("127.0.0.10", "127.0.0.1", "127.0.0.2", "127.0.0.3", "127.0.0.4"));
    expectedEndpoints.put(Simple_RF3_KeyspaceName, HashMultimap.<Token, InetAddress>create());
    expectedEndpoints.get(Simple_RF3_KeyspaceName).putAll(new BigIntegerToken("5"), makeAddrs("127.0.0.2", "127.0.0.3", "127.0.0.4"));
    expectedEndpoints.get(Simple_RF3_KeyspaceName).putAll(new BigIntegerToken("15"), makeAddrs("127.0.0.3", "127.0.0.4", "127.0.0.5"));
    expectedEndpoints.get(Simple_RF3_KeyspaceName).putAll(new BigIntegerToken("25"), makeAddrs("127.0.0.4", "127.0.0.5", "127.0.0.6"));
    expectedEndpoints.get(Simple_RF3_KeyspaceName).putAll(new BigIntegerToken("35"), makeAddrs("127.0.0.5", "127.0.0.6", "127.0.0.7", "127.0.1.1"));
    expectedEndpoints.get(Simple_RF3_KeyspaceName).putAll(new BigIntegerToken("45"), makeAddrs("127.0.0.6", "127.0.0.7", "127.0.0.8", "127.0.1.1"));
    expectedEndpoints.get(Simple_RF3_KeyspaceName).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(Simple_RF3_KeyspaceName).putAll(new BigIntegerToken("65"), makeAddrs("127.0.0.7", "127.0.0.8", "127.0.0.9", "127.0.1.2"));
    expectedEndpoints.get(Simple_RF3_KeyspaceName).putAll(new BigIntegerToken("75"), makeAddrs("127.0.0.9", "127.0.0.10", "127.0.0.1", "127.0.1.2"));
    expectedEndpoints.get(Simple_RF3_KeyspaceName).putAll(new BigIntegerToken("85"), makeAddrs("127.0.0.9", "127.0.0.10", "127.0.0.1"));
    expectedEndpoints.get(Simple_RF3_KeyspaceName).putAll(new BigIntegerToken("95"), makeAddrs("127.0.0.10", "127.0.0.1", "127.0.0.2"));
    for (Map.Entry<String, AbstractReplicationStrategy> keyspaceStrategy : keyspaceStrategyMap.entrySet()) {
        String keyspaceName = keyspaceStrategy.getKey();
        AbstractReplicationStrategy strategy = keyspaceStrategy.getValue();
        for (Token token : keyTokens) {
            endpoints = tmd.getWriteEndpoints(token, keyspaceName, strategy.getNaturalEndpoints(token));
            assertEquals(expectedEndpoints.get(keyspaceName).get(token).size(), endpoints.size());
            assertTrue(expectedEndpoints.get(keyspaceName).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), keyspaceName, strategy.getNaturalEndpoints(keyTokens.get(i)));
            assertEquals(3, endpoints.size());
            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), keyspaceName, strategy.getNaturalEndpoints(keyTokens.get(3)));
        assertEquals(4, endpoints.size());
        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), keyspaceName, strategy.getNaturalEndpoints(keyTokens.get(4)));
        assertEquals(4, endpoints.size());
        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), keyspaceName, strategy.getNaturalEndpoints(keyTokens.get(5)));
        assertEquals(5, endpoints.size());
        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 6, 7, 8 and boot2
        endpoints = tmd.getWriteEndpoints(keyTokens.get(6), keyspaceName, strategy.getNaturalEndpoints(keyTokens.get(6)));
        assertEquals(4, endpoints.size());
        assertTrue(endpoints.contains(hosts.get(6)));
        assertTrue(endpoints.contains(hosts.get(7)));
        assertTrue(endpoints.contains(hosts.get(8)));
        assertTrue(endpoints.contains(boot2));
        // token 75 should to go nodes 8, 9, 0 and boot2
        endpoints = tmd.getWriteEndpoints(keyTokens.get(7), keyspaceName, strategy.getNaturalEndpoints(keyTokens.get(7)));
        assertEquals(4, endpoints.size());
        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 8, 9 and 0
        endpoints = tmd.getWriteEndpoints(keyTokens.get(8), keyspaceName, strategy.getNaturalEndpoints(keyTokens.get(8)));
        assertEquals(3, endpoints.size());
        assertTrue(endpoints.contains(hosts.get(8)));
        assertTrue(endpoints.contains(hosts.get(9)));
        assertTrue(endpoints.contains(hosts.get(0)));
        // token 95 should go to nodes 9, 0 and 1
        endpoints = tmd.getWriteEndpoints(keyTokens.get(9), keyspaceName, strategy.getNaturalEndpoints(keyTokens.get(9)));
        assertEquals(3, endpoints.size());
        assertTrue(endpoints.contains(hosts.get(9)));
        assertTrue(endpoints.contains(hosts.get(0)));
        assertTrue(endpoints.contains(hosts.get(1)));
    }
    // all moving nodes are back to the normal state
    for (Integer movingIndex : MOVING) {
        ss.onChange(hosts.get(movingIndex), ApplicationState.STATUS, valueFactory.normal(Collections.singleton(newTokens.get(movingIndex))));
    }
}

Example 37 with IPartitioner

use of org.apache.cassandra.dht.IPartitioner in project cassandra by apache.

the class MoveTest method testStateJumpToNormal.

@Test
public void testStateJumpToNormal() throws UnknownHostException {
    StorageService ss = StorageService.instance;
    TokenMetadata tmd = ss.getTokenMetadata();
    IPartitioner partitioner = RandomPartitioner.instance;
    VersionedValue.VersionedValueFactory valueFactory = new VersionedValue.VersionedValueFactory(partitioner);
    ArrayList<Token> endpointTokens = new ArrayList<Token>();
    ArrayList<Token> keyTokens = new ArrayList<Token>();
    List<InetAddress> hosts = new ArrayList<InetAddress>();
    List<UUID> hostIds = new ArrayList<UUID>();
    // create a ring or 6 nodes
    Util.createInitialRing(ss, partitioner, endpointTokens, keyTokens, hosts, hostIds, 6);
    // node 2 leaves
    Token newToken = positionToken(7);
    ss.onChange(hosts.get(2), ApplicationState.STATUS, valueFactory.moving(newToken));
    assertTrue(tmd.isMoving(hosts.get(2)));
    assertEquals(endpointTokens.get(2), tmd.getToken(hosts.get(2)));
    // back to normal
    Gossiper.instance.injectApplicationState(hosts.get(2), ApplicationState.TOKENS, valueFactory.tokens(Collections.singleton(newToken)));
    ss.onChange(hosts.get(2), ApplicationState.STATUS, valueFactory.normal(Collections.singleton(newToken)));
    assertTrue(tmd.getSizeOfMovingEndpoints() == 0);
    assertEquals(newToken, tmd.getToken(hosts.get(2)));
    newToken = positionToken(8);
    // node 2 goes through leave and left and then jumps to normal at its new token
    ss.onChange(hosts.get(2), ApplicationState.STATUS, valueFactory.moving(newToken));
    Gossiper.instance.injectApplicationState(hosts.get(2), ApplicationState.TOKENS, valueFactory.tokens(Collections.singleton(newToken)));
    ss.onChange(hosts.get(2), ApplicationState.STATUS, valueFactory.normal(Collections.singleton(newToken)));
    assertTrue(tmd.getBootstrapTokens().isEmpty());
    assertTrue(tmd.getSizeOfMovingEndpoints() == 0);
    assertEquals(newToken, tmd.getToken(hosts.get(2)));
}

Example 38 with IPartitioner

use of org.apache.cassandra.dht.IPartitioner in project cassandra by apache.

the class StreamSessionTest method selectReaders.

private Set<SSTableReader> selectReaders(UUID pendingRepair) {
    IPartitioner partitioner = DatabaseDescriptor.getPartitioner();
    Collection<Range<Token>> ranges = Lists.newArrayList(new Range<Token>(partitioner.getMinimumToken(), partitioner.getMinimumToken()));
    List<StreamSession.SSTableStreamingSections> sections = StreamSession.getSSTableSectionsForRanges(ranges, Lists.newArrayList(cfs), ActiveRepairService.UNREPAIRED_SSTABLE, pendingRepair);
    Set<SSTableReader> sstables = new HashSet<>();
    for (StreamSession.SSTableStreamingSections section : sections) {
        sstables.add(section.ref.get());
    }
    return sstables;
}

Example 39 with IPartitioner

use of org.apache.cassandra.dht.IPartitioner in project cassandra by apache.

the class StreamingTransferTest method transferSSTables.

private void transferSSTables(SSTableReader sstable) throws Exception {
    IPartitioner p = sstable.getPartitioner();
    List<Range<Token>> ranges = new ArrayList<>();
    ranges.add(new Range<>(p.getMinimumToken(), p.getToken(ByteBufferUtil.bytes("key1"))));
    ranges.add(new Range<>(p.getToken(ByteBufferUtil.bytes("key2")), p.getMinimumToken()));
    transfer(sstable, ranges);
}

Example 40 with IPartitioner

use of org.apache.cassandra.dht.IPartitioner in project cassandra by apache.

the class LocalSessions method deserializeRange.

private static Range<Token> deserializeRange(ByteBuffer bb) {
    try (DataInputBuffer in = new DataInputBuffer(bb, false)) {
        IPartitioner partitioner = DatabaseDescriptor.getPartitioner();
        Token left = Token.serializer.deserialize(in, partitioner, 0);
        Token right = Token.serializer.deserialize(in, partitioner, 0);
        return new Range<>(left, right);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}