Package org.apache.hadoop.ipc.RetryCache

Examples of org.apache.hadoop.ipc.RetryCache.CacheEntry

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   * @param srcs
   * @throws IOException
   */
  void concat(String target, String [] srcs)
      throws IOException, UnresolvedLinkException {
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return; // Return previous response
    }
   
    // Either there is no previous request in progres or it has failed
    if(FSNamesystem.LOG.isDebugEnabled()) {
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      throw new InvalidPathException("Invalid link name: " + link);
    }
    if (FSDirectory.isReservedName(target)) {
      throw new InvalidPathException("Invalid target name: " + target);
    }
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return; // Return previous response
    }
    boolean success = false;
    try {
      createSymlinkInt(target, link, dirPerms, createParent, cacheEntry != null);
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   * @deprecated Use {@link #renameTo(String, String, Options.Rename...)} instead.
   */
  @Deprecated
  boolean renameTo(String src, String dst)
      throws IOException, UnresolvedLinkException {
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return true; // Return previous response
    }
    boolean ret = false;
    try {
      ret = renameToInt(src, dst, cacheEntry != null);
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      throw new InvalidPathException("Invalid name: " + dst);
    }
    final FSPermissionChecker pc = getPermissionChecker();
   
    checkOperation(OperationCategory.WRITE);
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return; // Return previous response
    }
    byte[][] srcComponents = FSDirectory.getPathComponentsForReservedPath(src);
    byte[][] dstComponents = FSDirectory.getPathComponentsForReservedPath(dst);
    HdfsFileStatus resultingStat = null;
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   * description of exceptions
   */
  boolean delete(String src, boolean recursive)
      throws AccessControlException, SafeModeException,
      UnresolvedLinkException, IOException {
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return true; // Return previous response
    }
    boolean ret = false;
    try {
      ret = deleteInt(src, recursive, cacheEntry != null);
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   */
  void saveNamespace() throws AccessControlException, IOException {
    checkOperation(OperationCategory.UNCHECKED);
    checkSuperuserPrivilege();
   
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return; // Return previous response
    }
    boolean success = false;
    readLock();
    try {
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  }
 
  void endCheckpoint(NamenodeRegistration registration,
                            CheckpointSignature sig) throws IOException {
    checkOperation(OperationCategory.CHECKPOINT);
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return; // Return previous response
    }
    boolean success = false;
    readLock();
    try {
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   */
  void updatePipeline(String clientName, ExtendedBlock oldBlock,
      ExtendedBlock newBlock, DatanodeID[] newNodes, String[] newStorageIDs)
      throws IOException {
    checkOperation(OperationCategory.WRITE);
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return; // Return previous response
    }
    LOG.info("updatePipeline(block=" + oldBlock
             + ", newGenerationStamp=" + newBlock.getGenerationStamp()
             + ", newLength=" + newBlock.getNumBytes()
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   */
  void renameSnapshot(String path, String snapshotOldName,
      String snapshotNewName) throws SafeModeException, IOException {
    checkOperation(OperationCategory.WRITE);
    final FSPermissionChecker pc = getPermissionChecker();
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return; // Return previous response
    }
    writeLock();
    boolean success = false;
    try {
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  void deleteSnapshot(String snapshotRoot, String snapshotName)
      throws SafeModeException, IOException {
    checkOperation(OperationCategory.WRITE);
    final FSPermissionChecker pc = getPermissionChecker();
   
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return; // Return previous response
    }
    boolean success = false;
    BlocksMapUpdateInfo collectedBlocks = new BlocksMapUpdateInfo();
    writeLock();
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Related Classes of org.apache.hadoop.ipc.RetryCache.CacheEntry

  • org.apache.hadoop.hdfs.server.namenode.FSNamesystem
  • org.apache.hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA
  • org.apache.hadoop.hdfs.server.namenode.TestNamenodeRetryCache
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