Examples of org.infinispan.distribution.ch.impl.TopologyAwareSyncConsistentHashFactory

Package org.infinispan.distribution.ch.impl

Examples of org.infinispan.distribution.ch.impl.TopologyAwareSyncConsistentHashFactory

org.infinispan.distribution.ch.impl.TopologyAwareSyncConsistentHashFactory
A {@link org.infinispan.distribution.ch.ConsistentHashFactory} implementation that guarantees cacheswith the same members have the same consistent hash and also tries to distribute segments based on the topology information in {@link org.infinispan.configuration.global.TransportConfiguration}.
It has a drawback compared to {@link org.infinispan.distribution.ch.impl.DefaultConsistentHashFactory}: it can potentially move a lot more segments during a rebalance than strictly necessary.
It is not recommended using the {@code TopologyAwareSyncConsistentHashFactory} with a very small numberof segments. The distribution of segments to owners gets better with a higher number of segments, and is especially bad when {@code numSegments < numNodes} @author Dan Berindei @since 5.2

      numSegments = 1000;
   }


   @Override
   protected ConsistentHashFactory<DefaultConsistentHash> createConsistentHashFactory() {
      return new TopologyAwareSyncConsistentHashFactory();
   }

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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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      numSegments = 1000;
   }


   @Override
   protected ConsistentHashFactory<DefaultConsistentHash> createConsistentHashFactory() {
      return new TopologyAwareSyncConsistentHashFactory();
   }

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Related Classes of org.infinispan.distribution.ch.impl.TopologyAwareSyncConsistentHashFactory

org.infinispan.distribution.ch.TopologyAwareSyncConsistentHashFactoryKeyDistributionTest

org.infinispan.distribution.topologyaware.TopologyAwareSyncConsistentHashFactoryTest

org.infinispan.distribution.topologyaware.TopologyInfo

org.infinispan.remoting.transport.Address

org.infinispan.remoting.transport.TopologyAwareAddress

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