Package org.apache.hadoop.hdfs.server.namenode.FSNamesystem

Examples of org.apache.hadoop.hdfs.server.namenode.FSNamesystem.NumberReplicas.decommissionedReplicas()

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                                          new ArrayList<DatanodeDescriptor>();
        NumberReplicas numReplicas = new NumberReplicas();
        // source node returned is not used
        chooseSourceDatanode(block, containingNodes, numReplicas);
        int usableReplicas = numReplicas.liveReplicas() +
                             numReplicas.decommissionedReplicas();
      
        if (block instanceof BlockInfo) {
          String fileName = ((BlockInfo)block).getINode().getFullPathName();
          out.print(fileName + ": ");
        }
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        }
        // l: == live:, d: == decommissioned c: == corrupt e: == excess
        out.print(block + ((usableReplicas > 0)? "" : " MISSING") +
                  " (replicas:" +
                  " l: " + numReplicas.liveReplicas() +
                  " d: " + numReplicas.decommissionedReplicas() +
                  " c: " + numReplicas.corruptReplicas() +
                  " e: " + numReplicas.excessReplicas() + ") ");

        Collection<DatanodeDescriptor> corruptNodes =
                                      corruptReplicas.getNodes(block);
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        // get a source data-node
        containingNodes = new ArrayList<DatanodeDescriptor>();
        NumberReplicas numReplicas = new NumberReplicas();
        srcNode = chooseSourceDatanode(block, containingNodes, numReplicas);
        if ((numReplicas.liveReplicas() + numReplicas.decommissionedReplicas())
            <= 0) {
          missingBlocksInCurIter++;
        }
        if(srcNode == null) // block can not be replicated from any node
          return false;
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          NumberReplicas num = countNodes(timedOutItems[i]);
          if (isNeededReplication(timedOutItems[i], getReplication(timedOutItems[i]),
                                 num.liveReplicas())) {
            neededReplications.add(timedOutItems[i],
                                   num.liveReplicas(),
                                   num.decommissionedReplicas(),
                                   getReplication(timedOutItems[i]));
          }
        }
      }
      /* If we know the target datanodes where the replication timedout,
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        short expectedReplication = fileINode.getReplication();
        NumberReplicas num = countNodes(block);
        int numCurrentReplica = num.liveReplicas();
        // add to under-replicated queue if need to be
        if (isNeededReplication(block, expectedReplication, numCurrentReplica)) {
          if (neededReplications.add(block, numCurrentReplica, num
              .decommissionedReplicas(), expectedReplication)) {
            nrUnderReplicated++;
          }
        }
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            if (!status) {
              status = true;
              logBlockReplicationInfo(block, srcNode, num);
            }
            underReplicatedBlocks++;
            if ((curReplicas == 0) && (num.decommissionedReplicas() > 0)) {
              decommissionOnlyReplicas++;
            }
            if (fileINode.isUnderConstruction()) {
              underReplicatedInOpenFiles++;
            }
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            // after the startDecommission method has been executed. These
            // blocks were in flight when the decommissioning was started.
            //
            neededReplications.add(block,
                                   curReplicas,
                                   num.decommissionedReplicas(),
                                   curExpectedReplicas);
          }
        }
      }
    }
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      int expectedReplicasDelta) {
    synchronized (namesystem) {
      NumberReplicas repl = countNodes(block);
      int curExpectedReplicas = getReplication(block);
      if (isNeededReplication(block, curExpectedReplicas, repl.liveReplicas())) {
        neededReplications.update(block, repl.liveReplicas(), repl
            .decommissionedReplicas(), curExpectedReplicas, curReplicasDelta,
            expectedReplicasDelta);
      } else {
        int oldReplicas = repl.liveReplicas()-curReplicasDelta;
        int oldExpectedReplicas = curExpectedReplicas-expectedReplicasDelta;
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            .decommissionedReplicas(), curExpectedReplicas, curReplicasDelta,
            expectedReplicasDelta);
      } else {
        int oldReplicas = repl.liveReplicas()-curReplicasDelta;
        int oldExpectedReplicas = curExpectedReplicas-expectedReplicasDelta;
        neededReplications.remove(block, oldReplicas, repl.decommissionedReplicas(),
                                  oldExpectedReplicas);
      }
    }
  }
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                                          new ArrayList<DatanodeDescriptor>();
        NumberReplicas numReplicas = new NumberReplicas();
        // source node returned is not used
        chooseSourceDatanode(block, containingNodes, numReplicas);
        int usableReplicas = numReplicas.liveReplicas() +
                             numReplicas.decommissionedReplicas();
      
        if (block instanceof BlockInfo) {
          String fileName = ((BlockInfo)block).getINode().getFullPathName();
          out.print(fileName + ": ");
        }
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