Package org.infinispan.commons.hash

Examples of org.infinispan.commons.hash.MurmurHash3

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      List<Address> members1 = Arrays.asList(addresses[0], addresses[1], addresses[2], addresses[3]);
      List<Address> members2 = Arrays.asList(addresses[0], addresses[1], addresses[2]);

      // create CHes
      DefaultConsistentHashFactory chf = new DefaultConsistentHashFactory();
      DefaultConsistentHash ch1 = chf.create(new MurmurHash3(), 2, 40, members1, null);
      final DefaultConsistentHash ch2 = chf.updateMembers(ch1, members2, null);
      DefaultConsistentHash ch3 = chf.rebalance(ch2);
      DefaultConsistentHash ch23 = chf.union(ch2, ch3);

      log.debug(ch1);
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   public static final double[] INTERVALS_PRIMARY = { 1.5 };
   // percentiles to print
   public static final double[] PERCENTILES = { .999 };

   private DefaultConsistentHash createConsistentHash(int numSegments, int numOwners, int numNodes) {
      MurmurHash3 hash = new MurmurHash3();
      SyncConsistentHashFactory chf = new SyncConsistentHashFactory();
      DefaultConsistentHash ch = chf.create(hash, numOwners, numSegments, createAddresses(numNodes), null);
      return ch;
   }
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@Test(testName = "distribution.ch.TopologyAwareSyncConsistentHashFactoryKeyDistributionTest", groups = "profiling")
public class TopologyAwareSyncConsistentHashFactoryKeyDistributionTest extends SyncConsistentHashFactoryKeyDistributionTest {

   @Override
   protected DefaultConsistentHash createConsistentHash(int numSegments, int numOwners, List<Address> members) {
      MurmurHash3 hash = new MurmurHash3();
      ConsistentHashFactory<DefaultConsistentHash> chf = new TopologyAwareSyncConsistentHashFactory();
      DefaultConsistentHash ch = chf.create(hash, numOwners, numSegments, members, null);
      return ch;
   }
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   public static final double[] INTERVALS_PRIMARY = { 0.9, 1.10, 1.15 };
   // percentiles to print
   public static final double[] PERCENTILES = { .999 };

   protected DefaultConsistentHash createConsistentHash(int numSegments, int numOwners, List<Address> members) {
      MurmurHash3 hash = new MurmurHash3();
      ConsistentHashFactory<DefaultConsistentHash> chf = new SyncConsistentHashFactory();
      DefaultConsistentHash ch = chf.create(hash, numOwners, numSegments, members, null);
      return ch;
   }
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      List<Address> abcd = Arrays.asList(A, B, C, D);
      List<Address> bcd = Arrays.asList(B, C, D);
      List<Address> c = Arrays.asList(C);

      for (int segments : testSegments) {
         ReplicatedConsistentHash ch = factory.create(new MurmurHash3(), 0, segments, a, null);
         checkDistribution(ch);

         ch = factory.updateMembers(ch, ab, null);
         checkDistribution(ch);
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      int[] numOwners = {1, 2, 3, 5};
      // Since the number of nodes changes, the capacity factors are repeated
      float[][] capacityFactors = {null, {1}, {2}, {1, 100}, {2, 0, 1}};

      ConsistentHashFactory <DefaultConsistentHash> chf = createConsistentHashFactory();
      Hash hashFunction = new MurmurHash3();

      for (int nn : numNodes) {
         List<Address> nodes = new ArrayList<Address>(nn);
         for (int j = 0; j < nn; j++) {
            nodes.add(new TestAddress(j, "TA"));
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      TestAddress A = new TestAddress(0, "A");
      TestAddress B = new TestAddress(1, "B");
      TestAddress C = new TestAddress(2, "C");
      TestAddress D = new TestAddress(3, "D");

      DefaultConsistentHash ch1 = chf.create(new MurmurHash3(), 2, 60, Arrays.<Address>asList(A), null);
      //System.out.println(ch1);

      DefaultConsistentHash ch2 = chf.updateMembers(ch1, Arrays.<Address>asList(A, B), null);
      ch2 = chf.rebalance(ch2);
      //System.out.println(ch2);
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         capacityFactors = null;
      }
   }

   private void assertAllLocationsWithRebalance(int numOwners) {
      ch = chf.create(new MurmurHash3(), numOwners, numSegments, chMembers, capacityFactors);

      List<Address> membersWithLoad = computeNodesWithLoad(chMembers);
      assertAllLocations(numOwners, membersWithLoad);
      assertDistribution(numOwners, membersWithLoad);

      ch = chf.create(new MurmurHash3(), numOwners, numSegments, chMembers.subList(0, 1), capacityFactors);
      assertAllLocations(numOwners, chMembers.subList(0, 1));

      for (int i = 2; i <= chMembers.size(); i++) {
         List<Address> currentMembers = chMembers.subList(0, i);
         log.debugf("Created CH with numOwners %d, members %s", numOwners, currentMembers);
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      address.setMachineId(machineId);
      chMembers.add(address);
   }

   protected void updateConsistentHash(int numOwners) {
      ch = chf.create(new MurmurHash3(), numOwners, numSegments, chMembers, null);
      log.debugf("Created CH with numOwners %d, members %s", numOwners, chMembers);
   }
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      Address a3 = new JGroupsAddress(UUID.randomUUID());
      List<Address> oldAddresses = new ArrayList<Address>();
      oldAddresses.add(a1);
      oldAddresses.add(a2);
      DefaultConsistentHashFactory chf = new DefaultConsistentHashFactory();
      DefaultConsistentHash oldCh = chf.create(new MurmurHash3(), 2, 3, oldAddresses, null);
      List<Address> newAddresses = new ArrayList<Address>();
      newAddresses.add(a1);
      newAddresses.add(a2);
      newAddresses.add(a3);
      DefaultConsistentHash newCh = chf.create(new MurmurHash3(), 2, 3, newAddresses, null);
      StateRequestCommand c14 = new StateRequestCommand(cacheName, StateRequestCommand.Type.START_STATE_TRANSFER, a1, 99, null);
      byte[] bytes = marshaller.objectToByteBuffer(c14);
      marshaller.objectFromByteBuffer(bytes);

      bytes = marshaller.objectToByteBuffer(c14);
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Related Classes of org.infinispan.commons.hash.MurmurHash3

  • org.infinispan.client.hotrod.ConsistentHashPerformanceTest
  • org.infinispan.client.hotrod.impl.consistenthash.ConsistentHashV2
  • org.infinispan.distribution.BaseDistFunctionalTest
  • org.infinispan.distribution.ch.DefaultConsistentHashFactoryTest
  • org.infinispan.distribution.ch.ReplicatedConsistentHashFactoryTest
  • org.infinispan.distribution.ch.SyncConsistentHashFactoryKeyDistributionTest
  • org.infinispan.distribution.ch.TopologyAwareSyncConsistentHashFactoryKeyDistributionTest
  • org.infinispan.distribution.topologyaware.TopologyAwareConsistentHashFactoryTest
  • org.infinispan.marshall.VersionAwareMarshallerTest
  • org.infinispan.statetransfer.StateConsumerTest
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