Examples of DistributedFileSystem

org.apache.hadoop.dfs.DistributedFileSystem
Implementation of the abstract FileSystem for the DFS system. This object is the way end-user code interacts with a Hadoop DistributedFileSystem.
org.apache.hadoop.hdfs.DistributedFileSystem
Implementation of the abstract FileSystem for the DFS system. This object is the way end-user code interacts with a Hadoop DistributedFileSystem.

Examples of org.apache.hadoop.hdfs.DistributedFileSystem

  public static void checkDfsSafeMode(final Configuration conf) 
  throws IOException {
    boolean isInSafeMode = false;
    FileSystem fs = FileSystem.get(conf);
    if (fs instanceof DistributedFileSystem) {
      DistributedFileSystem dfs = (DistributedFileSystem)fs;
      // Check whether dfs is on safemode.
      isInSafeMode = dfs.setSafeMode(org.apache.hadoop.hdfs.protocol.FSConstants.SafeModeAction.SAFEMODE_GET);
    }
    if (isInSafeMode) {
      throw new IOException("File system is in safemode, it can't be written now");
    }
  }

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Examples of org.apache.hadoop.hdfs.DistributedFileSystem

  public static void waitOnSafeMode(final Configuration conf,
    final long wait)
  throws IOException {
    FileSystem fs = FileSystem.get(conf);
    if (!(fs instanceof DistributedFileSystem)) return;
    DistributedFileSystem dfs = (DistributedFileSystem)fs;
    // Make sure dfs is not in safe mode
    while (dfs.setSafeMode(org.apache.hadoop.hdfs.protocol.FSConstants.SafeModeAction.SAFEMODE_GET)) {
      LOG.info("Waiting for dfs to exit safe mode...");
      try {
        Thread.sleep(wait);
      } catch (InterruptedException e) {
        //continue

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