Package org.apache.hadoop.hdfs

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

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        .numDataNodes(1).build();
    cluster.waitActive();
    DistributedFileSystem fs = (DistributedFileSystem) cluster.getFileSystem();
    OutputStream out = null;
    try {
      fs.mkdirs(new Path("/test-target"));
      out = fs.create(new Path("/test-source/foo")); // don't close
      fs.rename(new Path("/test-source/"), new Path("/test-target/"));

      fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER);
      cluster.getNameNodeRpc().saveNamespace();
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      String userDir = hdfs.getHomeDirectory().toUri().getPath().toString();
      Path file = new Path(userDir, "file");
      Path dir = new Path(userDir, "/dir");
      Path link = new Path(userDir, "/link");
      hdfs.createNewFile(file);
      hdfs.mkdirs(dir);
      hdfs.createSymlink(file, link, false);

      long mtimeFile = hdfs.getFileStatus(file).getModificationTime();
      long atimeFile = hdfs.getFileStatus(file).getAccessTime();
      long mtimeDir = hdfs.getFileStatus(dir).getModificationTime();
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      DistributedFileSystem hdfs = cluster.getFileSystem();

      // Create a reasonable namespace
      for (int i = 0; i < NUM_DIRS; i++) {
        Path dir = new Path("/dir" + i);
        hdfs.mkdirs(dir);
        writtenFiles.put(dir.toString(), pathToFileEntry(hdfs, dir.toString()));
        for (int j = 0; j < FILES_PER_DIR; j++) {
          Path file = new Path(dir, "file" + j);
          FSDataOutputStream o = hdfs.create(file);
          o.write(23);
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        }
      }

      // Create an empty directory
      Path emptydir = new Path("/emptydir");
      hdfs.mkdirs(emptydir);
      writtenFiles.put(emptydir.toString(), hdfs.getFileStatus(emptydir));

      // Get delegation tokens so we log the delegation token op
      Token<?>[] delegationTokens = hdfs
          .addDelegationTokens(TEST_RENEWER, null);
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      for (Token<?> t : delegationTokens) {
        LOG.debug("got token " + t);
      }

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

      // Set XAttrs so the fsimage contains XAttr ops
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      }

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

      // Set XAttrs so the fsimage contains XAttr ops
      final Path xattr = new Path("/xattr");
      hdfs.mkdirs(xattr);
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      hdfs.mkdirs(new Path("/snapshot/1"));
      hdfs.delete(snapshot, true);

      // Set XAttrs so the fsimage contains XAttr ops
      final Path xattr = new Path("/xattr");
      hdfs.mkdirs(xattr);
      hdfs.setXAttr(xattr, "user.a1", new byte[]{ 0x31, 0x32, 0x33 });
      hdfs.setXAttr(xattr, "user.a2", new byte[]{ 0x37, 0x38, 0x39 });
      // OIV should be able to handle empty value XAttrs
      hdfs.setXAttr(xattr, "user.a3", null);
      writtenFiles.put(xattr.toString(), hdfs.getFileStatus(xattr));
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      cluster.waitActive();
      DistributedFileSystem hdfs = cluster.getFileSystem();

      // Create a reasonable namespace with ACLs
      Path dir = new Path("/dirWithNoAcl");
      hdfs.mkdirs(dir);
      writtenAcls.put(dir.toString(), hdfs.getAclStatus(dir));

      dir = new Path("/dirWithDefaultAcl");
      hdfs.mkdirs(dir);
      hdfs.setAcl(dir, Lists.newArrayList(
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      Path dir = new Path("/dirWithNoAcl");
      hdfs.mkdirs(dir);
      writtenAcls.put(dir.toString(), hdfs.getAclStatus(dir));

      dir = new Path("/dirWithDefaultAcl");
      hdfs.mkdirs(dir);
      hdfs.setAcl(dir, Lists.newArrayList(
          aclEntry(DEFAULT, USER, ALL),
          aclEntry(DEFAULT, USER, "foo", ALL),
          aclEntry(DEFAULT, GROUP, READ_EXECUTE),
          aclEntry(DEFAULT, OTHER, NONE)));
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      cluster = new MiniDFSCluster.Builder(conf).build();
      cluster.waitActive();

      SnapshotManager sm = cluster.getNamesystem().getSnapshotManager();
      DistributedFileSystem dfs = (DistributedFileSystem) cluster.getFileSystem();
      dfs.mkdirs(path);
      dfs.allowSnapshot(path);
      dfs.createSnapshot(path);

      MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
      ObjectName mxbeanName = new ObjectName(
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