Package org.apache.hadoop.ipc.RetryCache

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

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      EnumSet<CacheFlag> flags) throws IOException {
    checkOperation(OperationCategory.WRITE);
    final FSPermissionChecker pc = isPermissionEnabled ?
        getPermissionChecker() : null;
    boolean success = false;
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return;
    }
    if (!flags.contains(CacheFlag.FORCE)) {
      cacheManager.waitForRescanIfNeeded();
    }
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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(20, cacheSet.size());
    iter = cacheSet.iterator();
    while (iter.hasNext()) {
      CacheEntry entry = iter.next();
      assertTrue(oldEntries.containsKey(entry));
    }
  }
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      EnumSet<CacheFlag> flags) throws IOException {
    checkOperation(OperationCategory.WRITE);
    final FSPermissionChecker pc = isPermissionEnabled ?
        getPermissionChecker() : null;
    boolean success = false;
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return;
    }
    if (!flags.contains(CacheFlag.FORCE)) {
      cacheManager.waitForRescanIfNeeded();
    }
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  void removeCacheDirective(Long id) throws IOException {
    checkOperation(OperationCategory.WRITE);
    final FSPermissionChecker pc = isPermissionEnabled ?
        getPermissionChecker() : null;
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return;
    }
    boolean success = false;
    writeLock();
    try {
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  public void addCachePool(CachePoolInfo req) throws IOException {
    checkOperation(OperationCategory.WRITE);
    final FSPermissionChecker pc = isPermissionEnabled ?
        getPermissionChecker() : null;
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return; // Return previous response
    }
    writeLock();
    boolean success = false;
    try {
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  public void modifyCachePool(CachePoolInfo req) throws IOException {
    checkOperation(OperationCategory.WRITE);
    final FSPermissionChecker pc =
        isPermissionEnabled ? getPermissionChecker() : null;
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return; // Return previous response
    }
    writeLock();
    boolean success = false;
    try {
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  public void removeCachePool(String cachePoolName) throws IOException {
    checkOperation(OperationCategory.WRITE);
    final FSPermissionChecker pc =
        isPermissionEnabled ? getPermissionChecker() : null;
    CacheEntry cacheEntry = RetryCache.waitForCompletion(retryCache);
    if (cacheEntry != null && cacheEntry.isSuccess()) {
      return; // Return previous response
    }
    writeLock();
    boolean success = false;
    try {
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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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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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