Package org.apache.hadoop.ipc.RetryCache

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

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  LocatedBlock appendFile(String src, String holder, String clientMachine)
      throws AccessControlException, SafeModeException,
      FileAlreadyExistsException, FileNotFoundException,
      ParentNotDirectoryException, IOException {
    LocatedBlock lb = null;
    CacheEntryWithPayload cacheEntry = RetryCache.waitForCompletion(retryCache,
        null);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return (LocatedBlock) cacheEntry.getPayload();
    }
     
    boolean success = false;
    try {
      lb = appendFileInt(src, holder, clientMachine, cacheEntry != null);
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  }

  NamenodeCommand startCheckpoint(NamenodeRegistration backupNode,
      NamenodeRegistration activeNamenode) throws IOException {
    checkOperation(OperationCategory.CHECKPOINT);
    CacheEntryWithPayload cacheEntry = RetryCache.waitForCompletion(retryCache,
        null);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return (NamenodeCommand) cacheEntry.getPayload();
    }
    writeLock();
    NamenodeCommand cmd = null;
    try {
      checkOperation(OperationCategory.CHECKPOINT);
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   */
  String createSnapshot(String snapshotRoot, String snapshotName)
      throws SafeModeException, IOException {
    checkOperation(OperationCategory.WRITE);
    final FSPermissionChecker pc = getPermissionChecker();
    CacheEntryWithPayload cacheEntry = RetryCache.waitForCompletion(retryCache,
        null);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return (String) cacheEntry.getPayload();
    }
    writeLock();
    String snapshotPath = null;
    try {
      checkOperation(OperationCategory.WRITE);
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      boolean createParent, short replication, long blockSize)
      throws AccessControlException, SafeModeException,
      FileAlreadyExistsException, UnresolvedLinkException,
      FileNotFoundException, ParentNotDirectoryException, IOException {
    HdfsFileStatus status = null;
    CacheEntryWithPayload cacheEntry = RetryCache.waitForCompletion(retryCache,
        null);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return (HdfsFileStatus) cacheEntry.getPayload();
    }
   
    try {
      status = startFileInt(src, permissions, holder, clientMachine, flag,
          createParent, replication, blockSize, cacheEntry != null);
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  LocatedBlock appendFile(String src, String holder, String clientMachine)
      throws AccessControlException, SafeModeException,
      FileAlreadyExistsException, FileNotFoundException,
      ParentNotDirectoryException, IOException {
    LocatedBlock lb = null;
    CacheEntryWithPayload cacheEntry = RetryCache.waitForCompletion(retryCache,
        null);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return (LocatedBlock) cacheEntry.getPayload();
    }
     
    boolean success = false;
    try {
      lb = appendFileInt(src, holder, clientMachine, cacheEntry != null);
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  }

  NamenodeCommand startCheckpoint(NamenodeRegistration backupNode,
      NamenodeRegistration activeNamenode) throws IOException {
    checkOperation(OperationCategory.CHECKPOINT);
    CacheEntryWithPayload cacheEntry = RetryCache.waitForCompletion(retryCache,
        null);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return (NamenodeCommand) cacheEntry.getPayload();
    }
    writeLock();
    NamenodeCommand cmd = null;
    try {
      checkOperation(OperationCategory.CHECKPOINT);
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   * @param snapshotRoot The directory path where the snapshot is taken
   * @param snapshotName The name of the snapshot
   */
  String createSnapshot(String snapshotRoot, String snapshotName)
      throws SafeModeException, IOException {
    CacheEntryWithPayload cacheEntry = RetryCache.waitForCompletion(retryCache,
        null);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return (String) cacheEntry.getPayload();
    }
    final FSPermissionChecker pc = getPermissionChecker();
    writeLock();
    String snapshotPath = null;
    try {
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      boolean createParent, short replication, long blockSize)
      throws AccessControlException, SafeModeException,
      FileAlreadyExistsException, UnresolvedLinkException,
      FileNotFoundException, ParentNotDirectoryException, IOException {
    HdfsFileStatus status = null;
    CacheEntryWithPayload cacheEntry = RetryCache.waitForCompletion(retryCache,
        null);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return (HdfsFileStatus) cacheEntry.getPayload();
    }
   
    try {
      status = startFileInt(src, permissions, holder, clientMachine, flag,
          createParent, replication, blockSize, cacheEntry != null);
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  LocatedBlock appendFile(String src, String holder, String clientMachine)
      throws AccessControlException, SafeModeException,
      FileAlreadyExistsException, FileNotFoundException,
      ParentNotDirectoryException, IOException {
    LocatedBlock lb = null;
    CacheEntryWithPayload cacheEntry = RetryCache.waitForCompletion(retryCache,
        null);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return (LocatedBlock) cacheEntry.getPayload();
    }
     
    boolean success = false;
    try {
      lb = appendFileInt(src, holder, clientMachine, cacheEntry != null);
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  }

  NamenodeCommand startCheckpoint(NamenodeRegistration backupNode,
      NamenodeRegistration activeNamenode) throws IOException {
    checkOperation(OperationCategory.CHECKPOINT);
    CacheEntryWithPayload cacheEntry = RetryCache.waitForCompletion(retryCache,
        null);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return (NamenodeCommand) cacheEntry.getPayload();
    }
    writeLock();
    NamenodeCommand cmd = null;
    try {
      checkOperation(OperationCategory.CHECKPOINT);
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Related Classes of org.apache.hadoop.ipc.RetryCache.CacheEntryWithPayload

  • org.apache.hadoop.hdfs.server.namenode.FSNamesystem
  • org.apache.hadoop.ipc.TestRetryCache$TestServer
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