@Override
 public void doRequest(ServerData<I, V, E> serverData) {
   ConcurrentHashMap<I, VertexMutations<I, V, E>> vertexMutations =
       serverData.getVertexMutations();
   Histogram verticesInMutationHist =
       GiraphMetrics.get()
           .perSuperstep()
           .getUniformHistogram(MetricNames.VERTICES_IN_MUTATION_REQUEST);
   verticesInMutationHist.update(vertexMutations.size());
   for (Entry<I, VertexMutations<I, V, E>> entry : vertexIdMutations.entrySet()) {
     VertexMutations<I, V, E> mutations = vertexMutations.get(entry.getKey());
     if (mutations == null) {
       mutations = vertexMutations.putIfAbsent(entry.getKey(), entry.getValue());
       if (mutations == null) {
         continue;
       }
     }
     synchronized (mutations) {
       mutations.addVertexMutations(entry.getValue());
     }
   }
 }
Ejemplo n.º 2
0
 /** Constructor */
 public OutboundByteCounter() {
   // Initialize Metrics
   GiraphMetrics.get().addSuperstepResetObserver(this);
 }