Package org.apache.hadoop.hdfs

Examples of org.apache.hadoop.hdfs.DistributedFileSystem.saveNamespace()

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      hdfs.mkdirs(new Path("/snapshot/1"));
      hdfs.delete(snapshot, true);

      // Write results to the fsimage file
      hdfs.setSafeMode(SafeModeAction.SAFEMODE_ENTER, false);
      hdfs.saveNamespace();

      // Determine location of fsimage file
      originalFsimage = FSImageTestUtil.findLatestImageFile(FSImageTestUtil
          .getFSImage(cluster.getNameNode()).getStorage().getStorageDir(0));
      if (originalFsimage == null) {
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   */
  public int saveNamespace() throws IOException {
    int exitCode = -1;

    DistributedFileSystem dfs = getDFS();
    dfs.saveNamespace();
    exitCode = 0;
  
    return exitCode;
  }

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   */
  public int saveNamespace() throws IOException {
    int exitCode = -1;

    DistributedFileSystem dfs = getDFS();
    dfs.saveNamespace();
    exitCode = 0;
  
    return exitCode;
  }

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      System.err.println("FileSystem is " + fs.getUri());
      return exitCode;
    }

    DistributedFileSystem dfs = (DistributedFileSystem) fs;
    dfs.saveNamespace();
    exitCode = 0;
  
    return exitCode;
  }
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   */
  public int saveNamespace() throws IOException {
    int exitCode = -1;

    DistributedFileSystem dfs = getDFS();
    dfs.saveNamespace();
    exitCode = 0;
  
    return exitCode;
  }

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    fs.removeAcl(p);

    if (persistNamespace) {
      fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER);
      fs.saveNamespace();
      fs.setSafeMode(SafeModeAction.SAFEMODE_LEAVE);
    }

    cluster.restartNameNode();
    cluster.waitActive();
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    fs.removeAcl(p);

    if (persistNamespace) {
      fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER);
      fs.saveNamespace();
      fs.setSafeMode(SafeModeAction.SAFEMODE_LEAVE);
    }

    cluster.restartNameNode();
    cluster.waitActive();
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      ((DFSOutputStream) out.getWrappedStream()).hsync(EnumSet
          .of(SyncFlag.UPDATE_LENGTH));

      // checkpoint
      fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER);
      fs.saveNamespace();
      fs.setSafeMode(SafeModeAction.SAFEMODE_LEAVE);

      cluster.restartNameNode();
      cluster.waitActive();
      fs = cluster.getFileSystem();
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    MiniDFSCluster cluster = null;
    try {
      cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build();
      DistributedFileSystem fs = cluster.getFileSystem();
      fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER);
      fs.saveNamespace();
      fs.setSafeMode(SafeModeAction.SAFEMODE_LEAVE);
      File currentDir = FSImageTestUtil.getNameNodeCurrentDirs(cluster, 0).get(
          0);
      File fsimage = FSImageTestUtil.findNewestImageFile(currentDir
          .getAbsolutePath());
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      long mtimeLink = hdfs.getFileLinkStatus(link).getModificationTime();
      long atimeLink = hdfs.getFileLinkStatus(link).getAccessTime();

      // save namespace and restart cluster
      hdfs.setSafeMode(HdfsConstants.SafeModeAction.SAFEMODE_ENTER);
      hdfs.saveNamespace();
      hdfs.setSafeMode(HdfsConstants.SafeModeAction.SAFEMODE_LEAVE);
      cluster.shutdown();
      cluster = new MiniDFSCluster.Builder(conf).format(false)
          .numDataNodes(1).build();
      cluster.waitActive();
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