Examples of liveReplicas()


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

      // The block should be replicated
      do {
        namesystem.writeLock();
        num = namesystem.blockManager.countNodes(block);
        namesystem.writeUnlock();
      } while (num.liveReplicas() != REPLICATION_FACTOR);
     
      // restart the first datanode
      cluster.restartDataNode(dnprop);
      cluster.waitActive();
     
View Full Code Here

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

        List<DatanodeDescriptor> containingNodes =
                                          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 + ": ");
View Full Code Here

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

          out.print(fileName + ": ");
        }
        // 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 =
View Full Code Here

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

        // 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;
View Full Code Here

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

        }
        if(srcNode == null) // block can not be replicated from any node
          return false;

        // do not schedule more if enough replicas is already pending
        numEffectiveReplicas = numReplicas.liveReplicas() +
                                pendingReplications.getNumReplicas(block);
     
        if (numEffectiveReplicas >= requiredReplication) {
          if ( (pendingReplications.getNumReplicas(block) > 0) ||
               (blockHasEnoughRacks(block)) ) {
View Full Code Here

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

                + " from neededReplications as it has enough replicas.");
            return false;
          }
        }

        if (numReplicas.liveReplicas() < requiredReplication) {
          additionalReplRequired = requiredReplication - numEffectiveReplicas;
        } else {
          additionalReplRequired = 1; //Needed on a new rack
        }
View Full Code Here

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

        }
        requiredReplication = fileINode.getReplication();

        // do not schedule more if enough replicas is already pending
        NumberReplicas numReplicas = countNodes(block);
        numEffectiveReplicas = numReplicas.liveReplicas() +
        pendingReplications.getNumReplicas(block);

        if (numEffectiveReplicas >= requiredReplication) {
          if ( (pendingReplications.getNumReplicas(block) > 0) ||
               (blockHasEnoughRacks(block)) ) {
View Full Code Here

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

                + " from neededReplications as it has enough replicas.");
            return false;
          }
        }

        if ( (numReplicas.liveReplicas() >= requiredReplication) &&
             (!blockHasEnoughRacks(block)) ) {
          if (srcNode.getNetworkLocation().equals(targets[0].getNetworkLocation())) {
            //No use continuing, unless a new rack in this case
            return false;
          }
View Full Code Here

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

      namesystem.writeLock();
      try {
        for (int i = 0; i < timedOutItems.length; i++) {
          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]));
          }
View Full Code Here

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

        for (int i = 0; i < timedOutItems.length; i++) {
          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]));
          }
        }
      } finally {
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.