Package org.infinispan.client.hotrod.impl.consistenthash

Examples of org.infinispan.client.hotrod.impl.consistenthash.ConsistentHash

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      }
   }

   @Override
   public void updateHashFunction(LinkedHashMap<InetSocketAddress,Integer> servers2HashCode, int numKeyOwners, short hashFunctionVersion, int hashSpace) {
      ConsistentHash hash = hashFactory.newConsistentHash(hashFunctionVersion);
      if (hash == null) {
         log.warn("No hash function configured for version: " + hashFunctionVersion);
      } else {
         hash.init(servers2HashCode, numKeyOwners, hashSpace);
      }
      consistentHash = hash;
   }
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      assert value.equals(s);
   }

   public void testNoChDefined() {
      ConsistentHashFactory chf = new ConsistentHashFactory();
      ConsistentHash hash = chf.newConsistentHash(1);
      assert hash != null;
      assert hash.getClass().equals(ConsistentHashV1.class);
   }
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   }

   @Override
   public void updateHashFunction(Map<SocketAddress, Set<Integer>> servers2Hash, int numKeyOwners, short hashFunctionVersion, int hashSpace) {
       synchronized (lock) {
         ConsistentHash hash = hashFactory.newConsistentHash(hashFunctionVersion);
         if (hash == null) {
            log.noHasHFunctionConfigured(hashFunctionVersion);
         } else {
            hash.init(servers2Hash, numKeyOwners, hashSpace);
         }
         consistentHash = hash;
      }
   }
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      final Log localLog = getLog();
      int newTopologyId = transport.readVInt();
      topologyId.set(newTopologyId);
      int numKeyOwners = transport.readUnsignedShort();
      short hashFctVersion = transport.readByte();
      ConsistentHash ch = null;
      if (hashFctVersion != 0)
         ch = transport.getTransportFactory().getConsistentHashFactory()
               .newConsistentHash(hashFctVersion);
      else
         localLog.trace("Not using a consistent hash function (hash function version == 0)");
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   }

   @Override
   public void updateHashFunction(Map<SocketAddress, Set<Integer>> servers2Hash, int numKeyOwners, short hashFunctionVersion, int hashSpace) {
       synchronized (lock) {
         ConsistentHash hash = hashFactory.newConsistentHash(hashFunctionVersion);
         if (hash == null) {
            log.noHasHFunctionConfigured(hashFunctionVersion);
         } else {
            hash.init(servers2Hash, numKeyOwners, hashSpace);
         }
         consistentHash = hash;
      }
   }
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   }

   @Override
   public void updateHashFunction(Map<SocketAddress, Set<Integer>> servers2Hash, int numKeyOwners, short hashFunctionVersion, int hashSpace, byte[] cacheName) {
       synchronized (lock) {
         ConsistentHash hash = hashFactory.newConsistentHash(hashFunctionVersion);
         if (hash == null) {
            log.noHasHFunctionConfigured(hashFunctionVersion);
         } else {
            hash.init(servers2Hash, numKeyOwners, hashSpace);
         }
         consistentHashes.put(cacheName, hash);
      }
   }
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   }

   public Transport getTransport(byte[] key, Set<SocketAddress> failedServers, byte[] cacheName) {
      SocketAddress server;
      synchronized (lock) {
         ConsistentHash consistentHash = consistentHashes.get(cacheName);
         if (consistentHash != null) {
            server = consistentHash.getServer(key);
            if (log.isTraceEnabled()) {
               log.tracef("Using consistent hash for determining the server: " + server);
            }
         } else {
            server = getNextServer(failedServers, cacheName);
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   }

   @Override
   public void updateHashFunction(LinkedHashMap<InetSocketAddress,Integer> servers2HashCode, int numKeyOwners, short hashFunctionVersion, int hashSpace) {
       synchronized (lock) {
         ConsistentHash hash = hashFactory.newConsistentHash(hashFunctionVersion);
         if (hash == null) {
            log.noHasHFunctionConfigured(hashFunctionVersion);
         } else {
            hash.init(servers2HashCode, numKeyOwners, hashSpace);
         }
         consistentHash = hash;
      }
   }
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   }

   @Override
   public void updateHashFunction(Map<SocketAddress, Set<Integer>> servers2Hash, int numKeyOwners, short hashFunctionVersion, int hashSpace) {
       synchronized (lock) {
         ConsistentHash hash = hashFactory.newConsistentHash(hashFunctionVersion);
         if (hash == null) {
            log.noHasHFunctionConfigured(hashFunctionVersion);
         } else {
            hash.init(servers2Hash, numKeyOwners, hashSpace);
         }
         consistentHash = hash;
      }
   }
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      RemoteCache<Object, Object> cache = rcm.getCache();
      // This will initialize the consistent hash
      cache.put("k", "v");

      TcpTransportFactory transportFactory = (TcpTransportFactory) TestingUtil.extractField(rcm, "transportFactory");
      ConsistentHash ch = transportFactory.getConsistentHash();
      byte[][] keys = new byte[NUM_KEYS][];

      for (int i = 0; i < NUM_KEYS; i++) {
         keys[i] = String.valueOf(i).getBytes("UTF-8");
      }

      SocketAddress aServer = null;
      // warm-up
      for (int i = 0; i < ITERATIONS/10; i++) {
         SocketAddress server = ch.getServer(keys[i % keys.length]);
         if (server != null) aServer = server;
      }

      long startNanos = System.nanoTime();
      for (int i = 0; i < ITERATIONS; i++) {
         SocketAddress server = ch.getServer(keys[i % keys.length]);
         if (server != null) aServer = server;
      }
      double duration = System.nanoTime() - startNanos;
      log.infof("Test took %.3f s, average CH lookup was %.3f ns", duration / 1000000000L, duration / ITERATIONS);
   }
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Related Classes of org.infinispan.client.hotrod.impl.consistenthash.ConsistentHash

  • org.infinispan.client.hotrod.ConsistentHashFactoryTest
  • org.infinispan.client.hotrod.impl.protocol.Codec11
  • org.infinispan.client.hotrod.impl.transport.tcp.TcpTransportFactory
  • org.infinispan.client.hotrod.stress.ClientConsistentHashPerfTest
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