List of refreshNodes() Examples

Examples of refreshNodes()

org.apache.hadoop.hdfs.DistributedFileSystem.refreshNodes()
Refreshes the list of hosts and excluded hosts from the configured files.
org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.refreshNodes()
Rereads conf to get hosts and exclude list file names. Rereads the files to update the hosts and exclude lists. It checks if any of the hosts have changed states:
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.refreshNodes()
Rereads the config to get hosts and exclude list file names. Rereads the files to update the hosts and exclude lists. It checks if any of the hosts have changed states: 1. Added to hosts --> no further work needed here. 2. Removed from hosts --> mark AdminState as decommissioned. 3. Added to exclude --> start decommission. 4. Removed from exclude --> stop decommission.
org.apache.hadoop.mapred.AdminOperationsProtocol.refreshNodes()
Refresh the node list at the {@link JobTracker}
org.apache.hadoop.yarn.api.RMAdminProtocol.refreshNodes()
org.apache.hadoop.yarn.server.api.ResourceManagerAdministrationProtocol.refreshNodes()
org.apache.hadoop.yarn.server.resourcemanager.api.RMAdminProtocol.refreshNodes()

Examples of org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.refreshNodes()

      
      // make sure no lookups occur
      dm.refreshNodes(conf);
      assertEquals(initialLookups, sm.lookups);


      dm.refreshNodes(conf);
      assertEquals(initialLookups, sm.lookups);
      
      // ensure none of the reports trigger lookups
      dm.getDatanodeListForReport(DatanodeReportType.ALL);
      assertEquals(initialLookups, sm.lookups);

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Examples of org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.refreshNodes()


    FSNamesystem fsn = cluster.getNamesystem();
    final DatanodeManager dm = fsn.getBlockManager().getDatanodeManager();
    for (int iteration = 0; iteration < numDatanodes; iteration++) {
      String downnode = decommissionNode(fsn, client, localFileSys, iteration);
      dm.refreshNodes(conf);
      decommissionedNodes.add(downnode);
      Thread.sleep(5000);
      final List<DatanodeDescriptor> decommissioningNodes = dm.getDecommissioningNodes();
      if (iteration == 0) {
        assertEquals(decommissioningNodes.size(), 1);

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Examples of org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.refreshNodes()

    }
    // Call refreshNodes on FSNamesystem with empty exclude file.
    // This will remove the datanodes from decommissioning list and
    // make them available again.
    writeConfigFile(localFileSys, excludeFile, null);
    dm.refreshNodes(conf);
    st1.close();
    cleanupFile(fileSys, file1);
    cleanupFile(fileSys, file2);
    cleanupFile(localFileSys, dir);
  }

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Examples of org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.refreshNodes()


    FSNamesystem fsn = cluster.getNamesystem();
    final DatanodeManager dm = fsn.getBlockManager().getDatanodeManager();
    for (int iteration = 0; iteration < numDatanodes; iteration++) {
      String downnode = decommissionNode(fsn, client, localFileSys, iteration);
      dm.refreshNodes(conf);
      decommissionedNodes.add(downnode);
      Thread.sleep(5000);
      final List<DatanodeDescriptor> decommissioningNodes = dm.getDecommissioningNodes();
      if (iteration == 0) {
        assertEquals(decommissioningNodes.size(), 1);

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Examples of org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.refreshNodes()

    }
    // Call refreshNodes on FSNamesystem with empty exclude file.
    // This will remove the datanodes from decommissioning list and
    // make them available again.
    writeConfigFile(localFileSys, excludeFile, null);
    dm.refreshNodes(conf);
    st1.close();
    cleanupFile(fileSys, file1);
    cleanupFile(fileSys, file2);
    cleanupFile(localFileSys, dir);
  }

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Examples of org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.refreshNodes()


    FSNamesystem fsn = cluster.getNamesystem();
    final DatanodeManager dm = fsn.getBlockManager().getDatanodeManager();
    for (int iteration = 0; iteration < numDatanodes; iteration++) {
      String downnode = decommissionNode(fsn, client, localFileSys, iteration);
      dm.refreshNodes(conf);
      decommissionedNodes.add(downnode);
      Thread.sleep(5000);
      final List<DatanodeDescriptor> decommissioningNodes = dm.getDecommissioningNodes();
      if (iteration == 0) {
        assertEquals(decommissioningNodes.size(), 1);

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Examples of org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.refreshNodes()

    }
    // Call refreshNodes on FSNamesystem with empty exclude file.
    // This will remove the datanodes from decommissioning list and
    // make them available again.
    writeConfigFile(localFileSys, excludeFile, null);
    dm.refreshNodes(conf);
    st1.close();
    cleanupFile(fileSys, file1);
    cleanupFile(fileSys, file2);
    cleanupFile(localFileSys, dir);
  }

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Examples of org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.refreshNodes()

      
      DatanodeManager dm =
          cluster.getNamesystem().getBlockManager().getDatanodeManager();
      
      // make sure no lookups occur
      dm.refreshNodes(conf);
      assertEquals(initialLookups, sm.lookups);


      dm.refreshNodes(conf);
      assertEquals(initialLookups, sm.lookups);

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Examples of org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.refreshNodes()

      
      // make sure no lookups occur
      dm.refreshNodes(conf);
      assertEquals(initialLookups, sm.lookups);


      dm.refreshNodes(conf);
      assertEquals(initialLookups, sm.lookups);
      
      // ensure none of the reports trigger lookups
      dm.getDatanodeListForReport(DatanodeReportType.ALL);
      assertEquals(initialLookups, sm.lookups);

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

    }
    // Call refreshNodes on FSNamesystem with empty exclude file.
    // This will remove the datanodes from decommissioning list and
    // make them available again.
    writeConfigFile(localFileSys, excludeFile, null);
    fsn.refreshNodes(conf);
    st1.close();
    cleanupFile(fileSys, file1);
    cleanupFile(fileSys, file2);
    cleanupFile(localFileSys, dir);
  }

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