Examples with DatanodeDescriptor org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor used on opensource projects

Example 26 with DatanodeDescriptor

use of org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor in project hadoop by apache.

the class FSNamesystem method getVolumeFailuresTotal.

// FSNamesystemMBean
@Override
public int getVolumeFailuresTotal() {
    List<DatanodeDescriptor> live = new ArrayList<DatanodeDescriptor>();
    getBlockManager().getDatanodeManager().fetchDatanodes(live, null, false);
    int volumeFailuresTotal = 0;
    for (DatanodeDescriptor node : live) {
        volumeFailuresTotal += node.getVolumeFailures();
    }
    return volumeFailuresTotal;
}

Example 27 with DatanodeDescriptor

use of org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor in project hadoop by apache.

the class FSNamesystem method getNumInMaintenanceLiveDataNodes.

// FSNamesystemMBean
@Override
public int getNumInMaintenanceLiveDataNodes() {
    final List<DatanodeDescriptor> live = new ArrayList<DatanodeDescriptor>();
    getBlockManager().getDatanodeManager().fetchDatanodes(live, null, true);
    int liveInMaintenance = 0;
    for (DatanodeDescriptor node : live) {
        liveInMaintenance += node.isInMaintenance() ? 1 : 0;
    }
    return liveInMaintenance;
}

Example 28 with DatanodeDescriptor

use of org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor in project hadoop by apache.

the class FSNamesystem method getNumDecomLiveDataNodes.

// FSNamesystemMBean
@Override
public int getNumDecomLiveDataNodes() {
    final List<DatanodeDescriptor> live = new ArrayList<DatanodeDescriptor>();
    getBlockManager().getDatanodeManager().fetchDatanodes(live, null, false);
    int liveDecommissioned = 0;
    for (DatanodeDescriptor node : live) {
        liveDecommissioned += node.isDecommissioned() ? 1 : 0;
    }
    return liveDecommissioned;
}

Example 29 with DatanodeDescriptor

use of org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor in project hadoop by apache.

the class FSNamesystem method getNumDecomDeadDataNodes.

// FSNamesystemMBean
@Override
public int getNumDecomDeadDataNodes() {
    final List<DatanodeDescriptor> dead = new ArrayList<DatanodeDescriptor>();
    getBlockManager().getDatanodeManager().fetchDatanodes(null, dead, false);
    int deadDecommissioned = 0;
    for (DatanodeDescriptor node : dead) {
        deadDecommissioned += node.isDecommissioned() ? 1 : 0;
    }
    return deadDecommissioned;
}

Example 30 with DatanodeDescriptor

use of org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor in project hadoop by apache.

the class FSNamesystem method getNumInMaintenanceDeadDataNodes.

// FSNamesystemMBean
@Override
public int getNumInMaintenanceDeadDataNodes() {
    final List<DatanodeDescriptor> dead = new ArrayList<DatanodeDescriptor>();
    getBlockManager().getDatanodeManager().fetchDatanodes(null, dead, true);
    int deadInMaintenance = 0;
    for (DatanodeDescriptor node : dead) {
        deadInMaintenance += node.isInMaintenance() ? 1 : 0;
    }
    return deadInMaintenance;
}