Package org.apache.hadoop.ipc.RetryCache

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

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    Map<CacheEntry, CacheEntry> oldEntries =
        new HashMap<CacheEntry, CacheEntry>();
    Iterator<CacheEntry> iter = cacheSet.iterator();
    while (iter.hasNext()) {
      CacheEntry entry = iter.next();
      oldEntries.put(entry, entry);
    }
   
    // restart NameNode
    cluster.restartNameNode();
    cluster.waitActive();
    namesystem = cluster.getNamesystem();
   
    // check retry cache
    assertTrue(namesystem.hasRetryCache());
    cacheSet = (LightWeightCache<CacheEntry, CacheEntry>) namesystem
        .getRetryCache().getCacheSet();
    assertEquals(23, cacheSet.size());
    iter = cacheSet.iterator();
    while (iter.hasNext()) {
      CacheEntry entry = iter.next();
      assertTrue(oldEntries.containsKey(entry));
    }
  }
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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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