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Java 类org.apache.hadoop.hdfs.protocol.FSLimitException.MaxDirectoryItemsExceededException 实例源码

项目：hadoop    文件：FSDirectory.java    
/**
 * Verify children size for fs limit.
 *
 * @throws MaxDirectoryItemsExceededException too many children.
 */
void verifyMaxDirItems(INodeDirectory parent, String parentPath)
    throws MaxDirectoryItemsExceededException {
  final int count = parent.getChildrenList(CURRENT_STATE_ID).size();
  if (count >= maxDirItems) {
    final MaxDirectoryItemsExceededException e
        = new MaxDirectoryItemsExceededException(maxDirItems, count);
    if (namesystem.isImageLoaded()) {
      e.setPathName(parentPath);
      throw e;
    } else {
      // Do not throw if edits log is still being processed
      NameNode.LOG.error("FSDirectory.verifyMaxDirItems: "
          + e.getLocalizedMessage());
    }
  }
}
项目：hadoop    文件：TestFsLimits.java    
@Test
public void testMaxDirItemsRename() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/2", null);

  mkdirs("/2/A", null);
  rename("/2/A", "/A", MaxDirectoryItemsExceededException.class);
  rename("/2/A", "/1/A", null);

  mkdirs("/2/B", null);
  deprecatedRename("/2/B", "/B", MaxDirectoryItemsExceededException.class);
  deprecatedRename("/2/B", "/1/B", null);

  rename("/1", "/3", null);
  deprecatedRename("/2", "/4", null);
}
项目：aliyun-oss-hadoop-fs    文件：FSDirectory.java    
/**
 * Verify children size for fs limit.
 *
 * @throws MaxDirectoryItemsExceededException too many children.
 */
void verifyMaxDirItems(INodeDirectory parent, String parentPath)
    throws MaxDirectoryItemsExceededException {
  final int count = parent.getChildrenList(CURRENT_STATE_ID).size();
  if (count >= maxDirItems) {
    final MaxDirectoryItemsExceededException e
        = new MaxDirectoryItemsExceededException(maxDirItems, count);
    if (namesystem.isImageLoaded()) {
      e.setPathName(parentPath);
      throw e;
    } else {
      // Do not throw if edits log is still being processed
      NameNode.LOG.error("FSDirectory.verifyMaxDirItems: "
          + e.getLocalizedMessage());
    }
  }
}
项目：aliyun-oss-hadoop-fs    文件：TestFsLimits.java    
@Test
public void testMaxDirItemsRename() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/2", null);

  mkdirs("/2/A", null);
  rename("/2/A", "/A", MaxDirectoryItemsExceededException.class);
  rename("/2/A", "/1/A", null);

  mkdirs("/2/B", null);
  deprecatedRename("/2/B", "/B", MaxDirectoryItemsExceededException.class);
  deprecatedRename("/2/B", "/1/B", null);

  rename("/1", "/3", null);
  deprecatedRename("/2", "/4", null);
}
项目：big-c    文件：FSDirectory.java    
/**
 * Verify children size for fs limit.
 *
 * @throws MaxDirectoryItemsExceededException too many children.
 */
void verifyMaxDirItems(INodeDirectory parent, String parentPath)
    throws MaxDirectoryItemsExceededException {
  final int count = parent.getChildrenList(CURRENT_STATE_ID).size();
  if (count >= maxDirItems) {
    final MaxDirectoryItemsExceededException e
        = new MaxDirectoryItemsExceededException(maxDirItems, count);
    if (namesystem.isImageLoaded()) {
      e.setPathName(parentPath);
      throw e;
    } else {
      // Do not throw if edits log is still being processed
      NameNode.LOG.error("FSDirectory.verifyMaxDirItems: "
          + e.getLocalizedMessage());
    }
  }
}
项目：big-c    文件：TestFsLimits.java    
@Test
public void testMaxDirItemsRename() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/2", null);

  mkdirs("/2/A", null);
  rename("/2/A", "/A", MaxDirectoryItemsExceededException.class);
  rename("/2/A", "/1/A", null);

  mkdirs("/2/B", null);
  deprecatedRename("/2/B", "/B", MaxDirectoryItemsExceededException.class);
  deprecatedRename("/2/B", "/1/B", null);

  rename("/1", "/3", null);
  deprecatedRename("/2", "/4", null);
}
项目：hadoop-2.6.0-cdh5.4.3    文件：FSDirectory.java    
/**
 * Verify children size for fs limit.
 *
 * @param pathComponents INode[] containing full path of inodes to new child
 * @param pos int position of new child in pathComponents
 * @throws MaxDirectoryItemsExceededException too many children.
 */
private void verifyMaxDirItems(INode[] pathComponents, int pos)
    throws MaxDirectoryItemsExceededException {

  final INodeDirectory parent = pathComponents[pos-1].asDirectory();
  final int count = parent.getChildrenList(Snapshot.CURRENT_STATE_ID).size();
  if (count >= maxDirItems) {
    final MaxDirectoryItemsExceededException e
        = new MaxDirectoryItemsExceededException(maxDirItems, count);
    if (namesystem.isImageLoaded()) {
      e.setPathName(getFullPathName(pathComponents, pos - 1));
      throw e;
    } else {
      // Do not throw if edits log is still being processed
      NameNode.LOG.error("FSDirectory.verifyMaxDirItems: "
          + e.getLocalizedMessage());
    }
  }
}
项目：hadoop-2.6.0-cdh5.4.3    文件：TestFsLimits.java    
@Test
public void testMaxDirItemsRename() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/2", null);

  mkdirs("/2/A", null);
  rename("/2/A", "/A", MaxDirectoryItemsExceededException.class);
  rename("/2/A", "/1/A", null);

  mkdirs("/2/B", null);
  deprecatedRename("/2/B", "/B", MaxDirectoryItemsExceededException.class);
  deprecatedRename("/2/B", "/1/B", null);

  rename("/1", "/3", null);
  deprecatedRename("/2", "/4", null);
}
项目：hadoop-plus    文件：FSDirectory.java    
/**
 * Verify children size for fs limit.
 * @throws MaxDirectoryItemsExceededException too many children.
 */
void verifyMaxDirItems(INode[] pathComponents, int pos)
    throws MaxDirectoryItemsExceededException {
  if (maxDirItems == 0) {
    return;
  }

  final INodeDirectory parent = pathComponents[pos-1].asDirectory();
  final int count = parent.getChildrenList(null).size();
  if (count >= maxDirItems) {
    final MaxDirectoryItemsExceededException e
        = new MaxDirectoryItemsExceededException(maxDirItems, count);
    if (ready) {
      e.setPathName(getFullPathName(pathComponents, pos - 1));
      throw e;
    } else {
      // Do not throw if edits log is still being processed
      NameNode.LOG.error("FSDirectory.verifyMaxDirItems: "
          + e.getLocalizedMessage());
    }
  }
}
项目：FlexMap    文件：FSDirectory.java    
/**
 * Verify children size for fs limit.
 *
 * @param pathComponents INode[] containing full path of inodes to new child
 * @param pos int position of new child in pathComponents
 * @throws MaxDirectoryItemsExceededException too many children.
 */
private void verifyMaxDirItems(INode[] pathComponents, int pos)
    throws MaxDirectoryItemsExceededException {

  final INodeDirectory parent = pathComponents[pos-1].asDirectory();
  final int count = parent.getChildrenList(Snapshot.CURRENT_STATE_ID).size();
  if (count >= maxDirItems) {
    final MaxDirectoryItemsExceededException e
        = new MaxDirectoryItemsExceededException(maxDirItems, count);
    if (namesystem.isImageLoaded()) {
      e.setPathName(getFullPathName(pathComponents, pos - 1));
      throw e;
    } else {
      // Do not throw if edits log is still being processed
      NameNode.LOG.error("FSDirectory.verifyMaxDirItems: "
          + e.getLocalizedMessage());
    }
  }
}
项目：FlexMap    文件：TestFsLimits.java    
@Test
public void testMaxDirItemsRename() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/2", null);

  mkdirs("/2/A", null);
  rename("/2/A", "/A", MaxDirectoryItemsExceededException.class);
  rename("/2/A", "/1/A", null);

  mkdirs("/2/B", null);
  deprecatedRename("/2/B", "/B", MaxDirectoryItemsExceededException.class);
  deprecatedRename("/2/B", "/1/B", null);

  rename("/1", "/3", null);
  deprecatedRename("/2", "/4", null);
}
项目：hadoop-TCP    文件：FSDirectory.java    
/**
 * Verify children size for fs limit.
 * @throws MaxDirectoryItemsExceededException too many children.
 */
void verifyMaxDirItems(INode[] pathComponents, int pos)
    throws MaxDirectoryItemsExceededException {
  if (maxDirItems == 0) {
    return;
  }

  final INodeDirectory parent = pathComponents[pos-1].asDirectory();
  final int count = parent.getChildrenList(null).size();
  if (count >= maxDirItems) {
    final MaxDirectoryItemsExceededException e
        = new MaxDirectoryItemsExceededException(maxDirItems, count);
    if (ready) {
      e.setPathName(getFullPathName(pathComponents, pos - 1));
      throw e;
    } else {
      // Do not throw if edits log is still being processed
      NameNode.LOG.error("FSDirectory.verifyMaxDirItems: "
          + e.getLocalizedMessage());
    }
  }
}
项目：hardfs    文件：FSDirectory.java    
/**
 * Verify children size for fs limit.
 * @throws MaxDirectoryItemsExceededException too many children.
 */
void verifyMaxDirItems(INode[] pathComponents, int pos)
    throws MaxDirectoryItemsExceededException {
  if (maxDirItems == 0) {
    return;
  }

  final INodeDirectory parent = pathComponents[pos-1].asDirectory();
  final int count = parent.getChildrenList(null).size();
  if (count >= maxDirItems) {
    final MaxDirectoryItemsExceededException e
        = new MaxDirectoryItemsExceededException(maxDirItems, count);
    if (ready) {
      e.setPathName(getFullPathName(pathComponents, pos - 1));
      throw e;
    } else {
      // Do not throw if edits log is still being processed
      NameNode.LOG.error("FSDirectory.verifyMaxDirItems: "
          + e.getLocalizedMessage());
    }
  }
}
项目：hadoop-on-lustre2    文件：FSDirectory.java    
/**
 * Verify children size for fs limit.
 *
 * @param pathComponents INode[] containing full path of inodes to new child
 * @param pos int position of new child in pathComponents
 * @throws MaxDirectoryItemsExceededException too many children.
 */
private void verifyMaxDirItems(INode[] pathComponents, int pos)
    throws MaxDirectoryItemsExceededException {

  final INodeDirectory parent = pathComponents[pos-1].asDirectory();
  final int count = parent.getChildrenList(Snapshot.CURRENT_STATE_ID).size();
  if (count >= maxDirItems) {
    final MaxDirectoryItemsExceededException e
        = new MaxDirectoryItemsExceededException(maxDirItems, count);
    if (ready) {
      e.setPathName(getFullPathName(pathComponents, pos - 1));
      throw e;
    } else {
      // Do not throw if edits log is still being processed
      NameNode.LOG.error("FSDirectory.verifyMaxDirItems: "
          + e.getLocalizedMessage());
    }
  }
}
项目：hadoop-on-lustre2    文件：TestFsLimits.java    
@Test
public void testMaxDirItemsRename() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/2", null);

  mkdirs("/2/A", null);
  rename("/2/A", "/A", MaxDirectoryItemsExceededException.class);
  rename("/2/A", "/1/A", null);

  mkdirs("/2/B", null);
  deprecatedRename("/2/B", "/B", MaxDirectoryItemsExceededException.class);
  deprecatedRename("/2/B", "/1/B", null);

  rename("/1", "/3", null);
  deprecatedRename("/2", "/4", null);
}
项目：hadoop    文件：TestFsLimits.java    
@Test
public void testMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/22", null);
  mkdirs("/333", MaxDirectoryItemsExceededException.class);
  mkdirs("/4444", MaxDirectoryItemsExceededException.class);
}
项目：hadoop    文件：TestFsLimits.java    
@Test
public void testMaxComponentsAndMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_COMPONENT_LENGTH_KEY, 3);
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/22", null);
  mkdirs("/333", MaxDirectoryItemsExceededException.class);
  mkdirs("/4444", PathComponentTooLongException.class);
}
项目：aliyun-oss-hadoop-fs    文件：TestFsLimits.java    
@Test
public void testMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/22", null);
  mkdirs("/333", MaxDirectoryItemsExceededException.class);
  mkdirs("/4444", MaxDirectoryItemsExceededException.class);
}
项目：aliyun-oss-hadoop-fs    文件：TestFsLimits.java    
@Test
public void testMaxComponentsAndMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_COMPONENT_LENGTH_KEY, 3);
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/22", null);
  mkdirs("/333", MaxDirectoryItemsExceededException.class);
  mkdirs("/4444", PathComponentTooLongException.class);
}
项目：big-c    文件：TestFsLimits.java    
@Test
public void testMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/22", null);
  mkdirs("/333", MaxDirectoryItemsExceededException.class);
  mkdirs("/4444", MaxDirectoryItemsExceededException.class);
}
项目：big-c    文件：TestFsLimits.java    
@Test
public void testMaxComponentsAndMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_COMPONENT_LENGTH_KEY, 3);
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/22", null);
  mkdirs("/333", MaxDirectoryItemsExceededException.class);
  mkdirs("/4444", PathComponentTooLongException.class);
}
项目：hadoop-2.6.0-cdh5.4.3    文件：FSDirectory.java    
/**
 * Checks file system limits (max component length and max directory items)
 * during a rename operation.
 *
 * @param srcIIP INodesInPath containing every inode in the rename source
 * @param dstIIP INodesInPath containing every inode in the rename destination
 * @throws PathComponentTooLongException child's name is too long.
 * @throws MaxDirectoryItemsExceededException too many children.
 */
private void verifyFsLimitsForRename(INodesInPath srcIIP, INodesInPath dstIIP)
    throws PathComponentTooLongException, MaxDirectoryItemsExceededException {
  byte[] dstChildName = dstIIP.getLastLocalName();
  INode[] dstInodes = dstIIP.getINodes();
  int pos = dstInodes.length - 1;
  verifyMaxComponentLength(dstChildName, dstInodes, pos);
  // Do not enforce max directory items if renaming within same directory.
  if (srcIIP.getINode(-2) != dstIIP.getINode(-2)) {
    verifyMaxDirItems(dstInodes, pos);
  }
}
项目：hadoop-2.6.0-cdh5.4.3    文件：TestFsLimits.java    
@Test
public void testMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/22", null);
  mkdirs("/333", MaxDirectoryItemsExceededException.class);
  mkdirs("/4444", MaxDirectoryItemsExceededException.class);
}
项目：hadoop-2.6.0-cdh5.4.3    文件：TestFsLimits.java    
@Test
public void testMaxComponentsAndMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_COMPONENT_LENGTH_KEY, 3);
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/22", null);
  mkdirs("/333", MaxDirectoryItemsExceededException.class);
  mkdirs("/4444", PathComponentTooLongException.class);
}
项目：hadoop-plus    文件：TestFsLimits.java    
@Test
public void testMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  addChildWithName("1", null);
  addChildWithName("22", null);
  addChildWithName("333", MaxDirectoryItemsExceededException.class);
  addChildWithName("4444", MaxDirectoryItemsExceededException.class);
}
项目：hadoop-plus    文件：TestFsLimits.java    
@Test
public void testMaxComponentsAndMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_COMPONENT_LENGTH_KEY, 3);
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  addChildWithName("1", null);
  addChildWithName("22", null);
  addChildWithName("333", MaxDirectoryItemsExceededException.class);
  addChildWithName("4444", PathComponentTooLongException.class);
}
项目：FlexMap    文件：FSDirectory.java    
/**
 * Checks file system limits (max component length and max directory items)
 * during a rename operation.
 *
 * @param srcIIP INodesInPath containing every inode in the rename source
 * @param dstIIP INodesInPath containing every inode in the rename destination
 * @throws PathComponentTooLongException child's name is too long.
 * @throws MaxDirectoryItemsExceededException too many children.
 */
private void verifyFsLimitsForRename(INodesInPath srcIIP, INodesInPath dstIIP)
    throws PathComponentTooLongException, MaxDirectoryItemsExceededException {
  byte[] dstChildName = dstIIP.getLastLocalName();
  INode[] dstInodes = dstIIP.getINodes();
  int pos = dstInodes.length - 1;
  verifyMaxComponentLength(dstChildName, dstInodes, pos);
  // Do not enforce max directory items if renaming within same directory.
  if (srcIIP.getINode(-2) != dstIIP.getINode(-2)) {
    verifyMaxDirItems(dstInodes, pos);
  }
}
项目：FlexMap    文件：TestFsLimits.java    
@Test
public void testMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/22", null);
  mkdirs("/333", MaxDirectoryItemsExceededException.class);
  mkdirs("/4444", MaxDirectoryItemsExceededException.class);
}
项目：FlexMap    文件：TestFsLimits.java    
@Test
public void testMaxComponentsAndMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_COMPONENT_LENGTH_KEY, 3);
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/22", null);
  mkdirs("/333", MaxDirectoryItemsExceededException.class);
  mkdirs("/4444", PathComponentTooLongException.class);
}
项目：hops    文件：FSDirectory.java    
/**
 * Verify that filesystem limit constraints are not violated
 *
 * @throws PathComponentTooLongException
 *     child's name is too long
 * @throws MaxDirectoryItemsExceededException
 *     items per directory is exceeded
 */
protected <T extends INode> void verifyFsLimits(INode[] pathComponents,
    int pos, T child)
    throws FSLimitException, StorageException, TransactionContextException {
  boolean includeChildName = false;
  try {
    if (maxComponentLength != 0) {
      int length = child.getLocalName().length();
      if (length > maxComponentLength) {
        includeChildName = true;
        throw new PathComponentTooLongException(maxComponentLength, length);
      }
    }
    if (maxDirItems != 0) {
      INodeDirectory parent = (INodeDirectory) pathComponents[pos - 1];
      int count = parent.getChildrenList().size();
      if (count >= maxDirItems) {
        throw new MaxDirectoryItemsExceededException(maxDirItems, count);
      }
    }
  } catch (FSLimitException e) {
    String badPath = getFullPathName(pathComponents, pos - 1);
    if (includeChildName) {
      badPath += Path.SEPARATOR + child.getLocalName();
    }
    e.setPathName(badPath);
    // Do not throw if edits log is still being processed
    if (ready) {
      throw (e);
    }
    // log pre-existing paths that exceed limits
    NameNode.LOG
        .error("FSDirectory.verifyFsLimits - " + e.getLocalizedMessage());
  }
}
项目：hops    文件：TestFsLimits.java    
@Test
public void testMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  addChildWithName("1", null);
  addChildWithName("22", null);
  addChildWithName("333", MaxDirectoryItemsExceededException.class);
  addChildWithName("4444", MaxDirectoryItemsExceededException.class);
}
项目：hops    文件：TestFsLimits.java    
@Test
public void testMaxComponentsAndMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_COMPONENT_LENGTH_KEY, 3);
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  addChildWithName("1", null);
  addChildWithName("22", null);
  addChildWithName("333", MaxDirectoryItemsExceededException.class);
  addChildWithName("4444", PathComponentTooLongException.class);
}
项目：hadoop-TCP    文件：TestFsLimits.java    
@Test
public void testMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  addChildWithName("1", null);
  addChildWithName("22", null);
  addChildWithName("333", MaxDirectoryItemsExceededException.class);
  addChildWithName("4444", MaxDirectoryItemsExceededException.class);
}
项目：hadoop-TCP    文件：TestFsLimits.java    
@Test
public void testMaxComponentsAndMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_COMPONENT_LENGTH_KEY, 3);
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  addChildWithName("1", null);
  addChildWithName("22", null);
  addChildWithName("333", MaxDirectoryItemsExceededException.class);
  addChildWithName("4444", PathComponentTooLongException.class);
}
项目：hardfs    文件：TestFsLimits.java    
@Test
public void testMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  addChildWithName("1", null);
  addChildWithName("22", null);
  addChildWithName("333", MaxDirectoryItemsExceededException.class);
  addChildWithName("4444", MaxDirectoryItemsExceededException.class);
}
项目：hardfs    文件：TestFsLimits.java    
@Test
public void testMaxComponentsAndMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_COMPONENT_LENGTH_KEY, 3);
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  addChildWithName("1", null);
  addChildWithName("22", null);
  addChildWithName("333", MaxDirectoryItemsExceededException.class);
  addChildWithName("4444", PathComponentTooLongException.class);
}
项目：hadoop-on-lustre2    文件：FSDirectory.java    
/**
 * Checks file system limits (max component length and max directory items)
 * during a rename operation.
 *
 * @param srcIIP INodesInPath containing every inode in the rename source
 * @param dstIIP INodesInPath containing every inode in the rename destination
 * @throws PathComponentTooLongException child's name is too long.
 * @throws MaxDirectoryItemsExceededException too many children.
 */
private void verifyFsLimitsForRename(INodesInPath srcIIP, INodesInPath dstIIP)
    throws PathComponentTooLongException, MaxDirectoryItemsExceededException {
  byte[] dstChildName = dstIIP.getLastLocalName();
  INode[] dstInodes = dstIIP.getINodes();
  int pos = dstInodes.length - 1;
  verifyMaxComponentLength(dstChildName, dstInodes, pos);
  // Do not enforce max directory items if renaming within same directory.
  if (srcIIP.getINode(-2) != dstIIP.getINode(-2)) {
    verifyMaxDirItems(dstInodes, pos);
  }
}
项目：hadoop-on-lustre2    文件：TestFsLimits.java    
@Test
public void testMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/22", null);
  mkdirs("/333", MaxDirectoryItemsExceededException.class);
  mkdirs("/4444", MaxDirectoryItemsExceededException.class);
}
项目：hadoop-on-lustre2    文件：TestFsLimits.java    
@Test
public void testMaxComponentsAndMaxDirItems() throws Exception {
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_COMPONENT_LENGTH_KEY, 3);
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_MAX_DIRECTORY_ITEMS_KEY, 2);

  mkdirs("/1", null);
  mkdirs("/22", null);
  mkdirs("/333", MaxDirectoryItemsExceededException.class);
  mkdirs("/4444", PathComponentTooLongException.class);
}