Esempio n. 1
0
  /*
   * Read ClusterID, StorageID, StorageType, CTime from
   * DataStorage VERSION file and verify them.
   */
  @Override
  protected void setFieldsFromProperties(Properties props, StorageDirectory sd) throws IOException {
    setLayoutVersion(props, sd);
    setcTime(props, sd);
    setStorageType(props, sd);
    setClusterId(props, layoutVersion, sd);

    // Read NamespaceID in version before federation
    if (!LayoutVersion.supports(Feature.FEDERATION, layoutVersion)) {
      setNamespaceID(props, sd);
    }

    // valid storage id, storage id may be empty
    String ssid = props.getProperty("storageID");
    if (ssid == null) {
      throw new InconsistentFSStateException(
          sd.getRoot(), "file " + STORAGE_FILE_VERSION + " is invalid.");
    }
    String sid = getStorageID();
    if (!(sid.equals("") || ssid.equals("") || sid.equals(ssid))) {
      throw new InconsistentFSStateException(sd.getRoot(), "has incompatible storage Id.");
    }

    if (sid.equals("")) { // update id only if it was empty
      setStorageID(ssid);
    }
  }
 private void init() throws LogHeaderCorruptException, IOException {
   Preconditions.checkState(state == State.UNINIT);
   BufferedInputStream bin = null;
   try {
     fStream = log.getInputStream();
     bin = new BufferedInputStream(fStream);
     tracker = new FSEditLogLoader.PositionTrackingInputStream(bin);
     dataIn = new DataInputStream(tracker);
     try {
       logVersion = readLogVersion(dataIn);
     } catch (EOFException eofe) {
       throw new LogHeaderCorruptException("No header found in log");
     }
     if (LayoutVersion.supports(Feature.ADD_LAYOUT_FLAGS, logVersion)) {
       try {
         LayoutFlags.read(dataIn);
       } catch (EOFException eofe) {
         throw new LogHeaderCorruptException("EOF while reading layout " + "flags from log");
       }
     }
     reader = new FSEditLogOp.Reader(dataIn, tracker, logVersion);
     reader.setMaxOpSize(maxOpSize);
     state = State.OPEN;
   } finally {
     if (reader == null) {
       IOUtils.cleanup(LOG, dataIn, tracker, bin, fStream);
       state = State.CLOSED;
     }
   }
 }
Esempio n. 3
0
 /**
  * Hardlink all finalized and RBW blocks in fromDir to toDir
  *
  * @param fromDir The directory where the 'from' snapshot is stored
  * @param fromBbwDir In HDFS 1.x, the directory where blocks that are under construction are
  *     stored.
  * @param toDir The current data directory
  * @throws IOException If error occurs during hardlink
  */
 private void linkAllBlocks(File fromDir, File fromBbwDir, File toDir) throws IOException {
   HardLink hardLink = new HardLink();
   // do the link
   int diskLayoutVersion = this.getLayoutVersion();
   if (LayoutVersion.supports(Feature.APPEND_RBW_DIR, diskLayoutVersion)) {
     // hardlink finalized blocks in tmpDir/finalized
     linkBlocks(
         new File(fromDir, STORAGE_DIR_FINALIZED),
         new File(toDir, STORAGE_DIR_FINALIZED),
         diskLayoutVersion,
         hardLink);
     // hardlink rbw blocks in tmpDir/rbw
     linkBlocks(
         new File(fromDir, STORAGE_DIR_RBW),
         new File(toDir, STORAGE_DIR_RBW),
         diskLayoutVersion,
         hardLink);
   } else { // pre-RBW version
     // hardlink finalized blocks in tmpDir
     linkBlocks(fromDir, new File(toDir, STORAGE_DIR_FINALIZED), diskLayoutVersion, hardLink);
     if (fromBbwDir.exists()) {
       /*
        * We need to put the 'blocksBeingWritten' from HDFS 1.x into the rbw
        * directory.  It's a little messy, because the blocksBeingWriten was
        * NOT underneath the 'current' directory in those releases.  See
        * HDFS-3731 for details.
        */
       linkBlocks(fromBbwDir, new File(toDir, STORAGE_DIR_RBW), diskLayoutVersion, hardLink);
     }
   }
   LOG.info(hardLink.linkStats.report());
 }
Esempio n. 4
0
  /**
   * Upgrade -- Move current storage into a backup directory, and hardlink all its blocks into the
   * new current directory.
   *
   * <p>Upgrade from pre-0.22 to 0.22 or later release e.g. 0.19/0.20/ => 0.22/0.23
   *
   * <ul>
   *   <li>If <SD>/previous exists then delete it
   *   <li>Rename <SD>/current to <SD>/previous.tmp
   *   <li>Create new <SD>/current/<bpid>/current directory
   *   <li>
   *       <ul>
   *         <li>Hard links for block files are created from <SD>/previous.tmp to
   *             <SD>/current/<bpid>/current
   *         <li>Saves new version file in <SD>/current/<bpid>/current directory
   *       </ul>
   *   <li>Rename <SD>/previous.tmp to <SD>/previous
   * </ul>
   *
   * There should be only ONE namenode in the cluster for first time upgrade to 0.22
   *
   * @param sd storage directory
   * @throws IOException on error
   */
  void doUpgrade(StorageDirectory sd, NamespaceInfo nsInfo) throws IOException {
    if (LayoutVersion.supports(Feature.FEDERATION, layoutVersion)) {
      clusterID = nsInfo.getClusterID();
      layoutVersion = nsInfo.getLayoutVersion();
      writeProperties(sd);
      return;
    }

    LOG.info(
        "Upgrading storage directory "
            + sd.getRoot()
            + ".\n   old LV = "
            + this.getLayoutVersion()
            + "; old CTime = "
            + this.getCTime()
            + ".\n   new LV = "
            + nsInfo.getLayoutVersion()
            + "; new CTime = "
            + nsInfo.getCTime());

    File curDir = sd.getCurrentDir();
    File prevDir = sd.getPreviousDir();
    File bbwDir = new File(sd.getRoot(), Storage.STORAGE_1_BBW);

    assert curDir.exists() : "Data node current directory must exist.";
    // Cleanup directory "detach"
    cleanupDetachDir(new File(curDir, STORAGE_DIR_DETACHED));

    // 1. delete <SD>/previous dir before upgrading
    if (prevDir.exists()) deleteDir(prevDir);
    // get previous.tmp directory, <SD>/previous.tmp
    File tmpDir = sd.getPreviousTmp();
    assert !tmpDir.exists() : "Data node previous.tmp directory must not exist.";

    // 2. Rename <SD>/current to <SD>/previous.tmp
    rename(curDir, tmpDir);

    // 3. Format BP and hard link blocks from previous directory
    File curBpDir = BlockPoolSliceStorage.getBpRoot(nsInfo.getBlockPoolID(), curDir);
    BlockPoolSliceStorage bpStorage =
        new BlockPoolSliceStorage(
            nsInfo.getNamespaceID(),
            nsInfo.getBlockPoolID(),
            nsInfo.getCTime(),
            nsInfo.getClusterID());
    bpStorage.format(curDir, nsInfo);
    linkAllBlocks(tmpDir, bbwDir, new File(curBpDir, STORAGE_DIR_CURRENT));

    // 4. Write version file under <SD>/current
    layoutVersion = HdfsConstants.LAYOUT_VERSION;
    clusterID = nsInfo.getClusterID();
    writeProperties(sd);

    // 5. Rename <SD>/previous.tmp to <SD>/previous
    rename(tmpDir, prevDir);
    LOG.info("Upgrade of " + sd.getRoot() + " is complete");
    addBlockPoolStorage(nsInfo.getBlockPoolID(), bpStorage);
  }
Esempio n. 5
0
  /**
   * Analize which and whether a transition of the fs state is required and perform it if necessary.
   *
   * <p>Rollback if previousLV >= LAYOUT_VERSION && prevCTime <= namenode.cTime Upgrade if this.LV >
   * LAYOUT_VERSION || this.cTime < namenode.cTime Regular startup if this.LV = LAYOUT_VERSION &&
   * this.cTime = namenode.cTime
   *
   * @param datanode Datanode to which this storage belongs to
   * @param sd storage directory
   * @param nsInfo namespace info
   * @param startOpt startup option
   * @throws IOException
   */
  private void doTransition(
      DataNode datanode, StorageDirectory sd, NamespaceInfo nsInfo, StartupOption startOpt)
      throws IOException {
    if (startOpt == StartupOption.ROLLBACK) {
      doRollback(sd, nsInfo); // rollback if applicable
    }
    readProperties(sd);
    checkVersionUpgradable(this.layoutVersion);
    assert this.layoutVersion >= HdfsConstants.LAYOUT_VERSION : "Future version is not allowed";

    boolean federationSupported = LayoutVersion.supports(Feature.FEDERATION, layoutVersion);
    // For pre-federation version - validate the namespaceID
    if (!federationSupported && getNamespaceID() != nsInfo.getNamespaceID()) {
      throw new IOException(
          "Incompatible namespaceIDs in "
              + sd.getRoot().getCanonicalPath()
              + ": namenode namespaceID = "
              + nsInfo.getNamespaceID()
              + "; datanode namespaceID = "
              + getNamespaceID());
    }

    // For version that supports federation, validate clusterID
    if (federationSupported && !getClusterID().equals(nsInfo.getClusterID())) {
      throw new IOException(
          "Incompatible clusterIDs in "
              + sd.getRoot().getCanonicalPath()
              + ": namenode clusterID = "
              + nsInfo.getClusterID()
              + "; datanode clusterID = "
              + getClusterID());
    }

    // regular start up
    if (this.layoutVersion == HdfsConstants.LAYOUT_VERSION && this.cTime == nsInfo.getCTime())
      return; // regular startup
    // verify necessity of a distributed upgrade
    UpgradeManagerDatanode um = datanode.getUpgradeManagerDatanode(nsInfo.getBlockPoolID());
    verifyDistributedUpgradeProgress(um, nsInfo);

    // do upgrade
    if (this.layoutVersion > HdfsConstants.LAYOUT_VERSION || this.cTime < nsInfo.getCTime()) {
      doUpgrade(sd, nsInfo); // upgrade
      return;
    }

    // layoutVersion == LAYOUT_VERSION && this.cTime > nsInfo.cTime
    // must shutdown
    throw new IOException(
        "Datanode state: LV = "
            + this.getLayoutVersion()
            + " CTime = "
            + this.getCTime()
            + " is newer than the namespace state: LV = "
            + nsInfo.getLayoutVersion()
            + " CTime = "
            + nsInfo.getCTime());
  }
Esempio n. 6
0
 /*
  * Set ClusterID, StorageID, StorageType, CTime into
  * DataStorage VERSION file
  */
 @Override
 protected void setPropertiesFromFields(Properties props, StorageDirectory sd) throws IOException {
   props.setProperty("storageType", storageType.toString());
   props.setProperty("clusterID", clusterID);
   props.setProperty("cTime", String.valueOf(cTime));
   props.setProperty("layoutVersion", String.valueOf(layoutVersion));
   props.setProperty("storageID", getStorageID());
   // Set NamespaceID in version before federation
   if (!LayoutVersion.supports(Feature.FEDERATION, layoutVersion)) {
     props.setProperty("namespaceID", String.valueOf(namespaceID));
   }
 }
Esempio n. 7
0
  /**
   * Cleanup the detachDir.
   *
   * <p>If the directory is not empty report an error; Otherwise remove the directory.
   *
   * @param detachDir detach directory
   * @throws IOException if the directory is not empty or it can not be removed
   */
  private void cleanupDetachDir(File detachDir) throws IOException {
    if (!LayoutVersion.supports(Feature.APPEND_RBW_DIR, layoutVersion)
        && detachDir.exists()
        && detachDir.isDirectory()) {

      if (FileUtil.list(detachDir).length != 0) {
        throw new IOException(
            "Detached directory "
                + detachDir
                + " is not empty. Please manually move each file under this "
                + "directory to the finalized directory if the finalized "
                + "directory tree does not have the file.");
      } else if (!detachDir.delete()) {
        throw new IOException("Cannot remove directory " + detachDir);
      }
    }
  }
Esempio n. 8
0
  /** modified by tony */
  @SuppressWarnings("deprecation")
  int loadEditRecords(int logVersion, DataInputStream in, boolean closeOnExit) throws IOException {

    FSNamesystem.LOG.info("logversion: " + logVersion);

    FSDirectory fsDir = fsNamesys.dir;
    int numEdits = 0;
    String clientName = null;
    String clientMachine = null;
    String path = null;
    int numOpAdd = 0,
        numOpClose = 0,
        numOpDelete = 0,
        numOpRenameOld = 0,
        numOpSetRepl = 0,
        numOpMkDir = 0,
        numOpSetPerm = 0,
        numOpSetOwner = 0,
        numOpSetGenStamp = 0,
        numOpTimes = 0,
        numOpRename = 0,
        numOpConcatDelete = 0,
        numOpSymlink = 0,
        numOpGetDelegationToken = 0,
        numOpRenewDelegationToken = 0,
        numOpCancelDelegationToken = 0,
        numOpUpdateMasterKey = 0,
        numOpOther = 0;

    try {
      while (true) {
        long timestamp = 0;
        long mtime = 0;
        long atime = 0;
        long blockSize = 0;
        byte opcode = -1;
        try {
          in.mark(1);
          opcode = in.readByte();
          if (opcode == Ops.OP_INVALID) {
            in.reset(); // reset back to end of file if somebody reads it again
            break; // no more transactions
          }
        } catch (EOFException e) {
          break; // no more transactions
        }
        numEdits++;
        switch (opcode) {
          case Ops.OP_ADD:
          case Ops.OP_CLOSE:
            {
              // versions > 0 support per file replication
              // get name and replication
              int length = in.readInt();
              // modified by tony
              if (-7 == logVersion && length != 3
                  || -17 < logVersion && logVersion < -7 && length != 4
                  || logVersion <= -17 && length != 7) {
                throw new IOException(
                    "Incorrect data format."
                        + " logVersion is "
                        + logVersion
                        + " but writables.length is "
                        + length
                        + ". ");
              }
              path = FSImageSerialization.readString(in);
              short replication = fsNamesys.adjustReplication(readShort(in));
              mtime = readLong(in);
              if (LayoutVersion.supports(Feature.FILE_ACCESS_TIME, logVersion)) {
                atime = readLong(in);
              }
              if (logVersion < -7) {
                blockSize = readLong(in);
              }

              long fileSize = readLong(in);
              byte type = (byte) readLong(in);

              // get blocks
              boolean isFileUnderConstruction = (opcode == Ops.OP_ADD);
              BlockInfo blocks[] = readBlocks(in, logVersion, isFileUnderConstruction, replication);

              // Older versions of HDFS does not store the block size in inode.
              // If the file has more than one block, use the size of the
              // first block as the blocksize. Otherwise use the default
              // block size.
              if (-8 <= logVersion && blockSize == 0) {
                if (blocks.length > 1) {
                  blockSize = blocks[0].getNumBytes();
                } else {
                  long first = ((blocks.length == 1) ? blocks[0].getNumBytes() : 0);
                  blockSize = Math.max(fsNamesys.getDefaultBlockSize(), first);
                }
              }

              PermissionStatus permissions = fsNamesys.getUpgradePermission();
              if (logVersion <= -11) {
                permissions = PermissionStatus.read(in);
              }
              CodingMatrix codingMatrix = CodingMatrix.getMatrixofCertainType(type);
              codingMatrix.readFields(in);

              /** added by tony* */
              LongWritable offset = new LongWritable();
              offset.readFields(in);
              long headeroffset = offset.get();
              // clientname, clientMachine and block locations of last block.
              if (opcode == Ops.OP_ADD && logVersion <= -12) {
                clientName = FSImageSerialization.readString(in);
                clientMachine = FSImageSerialization.readString(in);
                if (-13 <= logVersion) {
                  readDatanodeDescriptorArray(in);
                }
              } else {
                clientName = "";
                clientMachine = "";
              }

              // The open lease transaction re-creates a file if necessary.
              // Delete the file if it already exists.
              if (FSNamesystem.LOG.isDebugEnabled()) {
                FSNamesystem.LOG.debug(
                    opcode
                        + ": "
                        + path
                        + " numblocks : "
                        + blocks.length
                        + " clientHolder "
                        + clientName
                        + " clientMachine "
                        + clientMachine);
              }

              fsDir.unprotectedDelete(path, mtime);

              /** modified by tony add to the file tree */
              INodeFile node =
                  (INodeFile)
                      fsDir.unprotectedAddFile(
                          path,
                          permissions,
                          codingMatrix,
                          headeroffset,
                          fileSize,
                          blocks,
                          replication,
                          mtime,
                          atime,
                          blockSize);
              if (isFileUnderConstruction) {
                numOpAdd++;
                //
                // Replace current node with a INodeUnderConstruction.
                // Recreate in-memory lease record.
                //
                //            INodeFileUnderConstruction cons = new INodeFileUnderConstruction(
                //                                      node.getLocalNameBytes(),
                //                                      node.getReplication(),
                //                                      node.getModificationTime(),
                //                                      node.getPreferredBlockSize(),
                //                                      node.getBlocks(),
                //                                      node.getPermissionStatus(),
                //                                      clientName,
                //                                      clientMachine,
                //                                      null);
                // TODO:
                INodeFileUnderConstruction cons = null;
                fsDir.replaceNode(path, node, cons);
                fsNamesys.leaseManager.addLease(cons.getClientName(), path);
              }
              break;
            }
          case Ops.OP_SET_REPLICATION:
            {
              numOpSetRepl++;
              path = FSImageSerialization.readString(in);
              short replication = fsNamesys.adjustReplication(readShort(in));
              fsDir.unprotectedSetReplication(path, replication, null);
              break;
            }
          case Ops.OP_CONCAT_DELETE:
            {
              numOpConcatDelete++;
              int length = in.readInt();
              if (length < 3) { // trg, srcs.., timestam
                throw new IOException("Incorrect data format. " + "Mkdir operation.");
              }
              String trg = FSImageSerialization.readString(in);
              int srcSize = length - 1 - 1; // trg and timestamp
              String[] srcs = new String[srcSize];
              for (int i = 0; i < srcSize; i++) {
                srcs[i] = FSImageSerialization.readString(in);
              }
              timestamp = readLong(in);
              fsDir.unprotectedConcat(trg, srcs);
              break;
            }
          case Ops.OP_RENAME_OLD:
            {
              numOpRenameOld++;
              int length = in.readInt();
              if (length != 3) {
                throw new IOException("Incorrect data format. " + "Mkdir operation.");
              }
              String s = FSImageSerialization.readString(in);
              String d = FSImageSerialization.readString(in);
              timestamp = readLong(in);
              HdfsFileStatus dinfo = fsDir.getFileInfo(d, false);
              fsDir.unprotectedRenameTo(s, d, timestamp);
              fsNamesys.changeLease(s, d, dinfo);
              break;
            }
          case Ops.OP_DELETE:
            {
              numOpDelete++;
              int length = in.readInt();
              if (length != 2) {
                throw new IOException("Incorrect data format. " + "delete operation.");
              }
              path = FSImageSerialization.readString(in);
              timestamp = readLong(in);
              fsDir.unprotectedDelete(path, timestamp);
              break;
            }
          case Ops.OP_MKDIR:
            {
              numOpMkDir++;
              PermissionStatus permissions = fsNamesys.getUpgradePermission();
              int length = in.readInt();
              if (-17 < logVersion && length != 2 || logVersion <= -17 && length != 3) {
                throw new IOException("Incorrect data format. " + "Mkdir operation.");
              }
              path = FSImageSerialization.readString(in);
              timestamp = readLong(in);

              // The disk format stores atimes for directories as well.
              // However, currently this is not being updated/used because of
              // performance reasons.
              if (LayoutVersion.supports(Feature.FILE_ACCESS_TIME, logVersion)) {
                atime = readLong(in);
              }

              if (logVersion <= -11) {
                permissions = PermissionStatus.read(in);
              }
              fsDir.unprotectedMkdir(path, permissions, timestamp);
              break;
            }
          case Ops.OP_SET_GENSTAMP:
            {
              numOpSetGenStamp++;
              long lw = in.readLong();
              fsNamesys.setGenerationStamp(lw);
              break;
            }
          case Ops.OP_DATANODE_ADD:
            {
              numOpOther++;
              // Datanodes are not persistent any more.
              FSImageSerialization.DatanodeImage.skipOne(in);
              break;
            }
          case Ops.OP_DATANODE_REMOVE:
            {
              numOpOther++;
              DatanodeID nodeID = new DatanodeID();
              nodeID.readFields(in);
              // Datanodes are not persistent any more.
              break;
            }
          case Ops.OP_SET_PERMISSIONS:
            {
              numOpSetPerm++;
              fsDir.unprotectedSetPermission(
                  FSImageSerialization.readString(in), FsPermission.read(in));
              break;
            }
          case Ops.OP_SET_OWNER:
            {
              numOpSetOwner++;
              fsDir.unprotectedSetOwner(
                  FSImageSerialization.readString(in),
                  FSImageSerialization.readString_EmptyAsNull(in),
                  FSImageSerialization.readString_EmptyAsNull(in));
              break;
            }
          case Ops.OP_SET_NS_QUOTA:
            {
              fsDir.unprotectedSetQuota(
                  FSImageSerialization.readString(in),
                  readLongWritable(in),
                  FSConstants.QUOTA_DONT_SET);
              break;
            }
          case Ops.OP_CLEAR_NS_QUOTA:
            {
              fsDir.unprotectedSetQuota(
                  FSImageSerialization.readString(in),
                  FSConstants.QUOTA_RESET,
                  FSConstants.QUOTA_DONT_SET);
              break;
            }

          case Ops.OP_SET_QUOTA:
            fsDir.unprotectedSetQuota(
                FSImageSerialization.readString(in), readLongWritable(in), readLongWritable(in));

            break;

          case Ops.OP_TIMES:
            {
              numOpTimes++;
              int length = in.readInt();
              if (length != 3) {
                throw new IOException("Incorrect data format. " + "times operation.");
              }
              path = FSImageSerialization.readString(in);
              mtime = readLong(in);
              atime = readLong(in);
              fsDir.unprotectedSetTimes(path, mtime, atime, true);
              break;
            }
          case Ops.OP_SYMLINK:
            {
              numOpSymlink++;
              int length = in.readInt();
              if (length != 4) {
                throw new IOException("Incorrect data format. " + "symlink operation.");
              }
              path = FSImageSerialization.readString(in);
              String value = FSImageSerialization.readString(in);
              mtime = readLong(in);
              atime = readLong(in);
              PermissionStatus perm = PermissionStatus.read(in);
              fsDir.unprotectedSymlink(path, value, mtime, atime, perm);
              break;
            }
          case Ops.OP_RENAME:
            {
              numOpRename++;
              int length = in.readInt();
              if (length != 3) {
                throw new IOException("Incorrect data format. " + "Mkdir operation.");
              }
              String s = FSImageSerialization.readString(in);
              String d = FSImageSerialization.readString(in);
              timestamp = readLong(in);
              Rename[] options = readRenameOptions(in);
              HdfsFileStatus dinfo = fsDir.getFileInfo(d, false);
              fsDir.unprotectedRenameTo(s, d, timestamp, options);
              fsNamesys.changeLease(s, d, dinfo);
              break;
            }
          case Ops.OP_GET_DELEGATION_TOKEN:
            {
              numOpGetDelegationToken++;
              DelegationTokenIdentifier delegationTokenId = new DelegationTokenIdentifier();
              delegationTokenId.readFields(in);
              long expiryTime = readLong(in);
              fsNamesys
                  .getDelegationTokenSecretManager()
                  .addPersistedDelegationToken(delegationTokenId, expiryTime);
              break;
            }
          case Ops.OP_RENEW_DELEGATION_TOKEN:
            {
              numOpRenewDelegationToken++;
              DelegationTokenIdentifier delegationTokenId = new DelegationTokenIdentifier();
              delegationTokenId.readFields(in);
              long expiryTime = readLong(in);
              fsNamesys
                  .getDelegationTokenSecretManager()
                  .updatePersistedTokenRenewal(delegationTokenId, expiryTime);
              break;
            }
          case Ops.OP_CANCEL_DELEGATION_TOKEN:
            {
              numOpCancelDelegationToken++;
              DelegationTokenIdentifier delegationTokenId = new DelegationTokenIdentifier();
              delegationTokenId.readFields(in);
              fsNamesys
                  .getDelegationTokenSecretManager()
                  .updatePersistedTokenCancellation(delegationTokenId);
              break;
            }
          case Ops.OP_UPDATE_MASTER_KEY:
            {
              numOpUpdateMasterKey++;
              DelegationKey delegationKey = new DelegationKey();
              delegationKey.readFields(in);
              fsNamesys.getDelegationTokenSecretManager().updatePersistedMasterKey(delegationKey);
              break;
            }
          default:
            {
              throw new IOException("Never seen opcode " + opcode);
            }
        }
      }
    } catch (IOException ex) {
      check203UpgradeFailure(logVersion, ex);
    } finally {
      if (closeOnExit) in.close();
    }
    if (FSImage.LOG.isDebugEnabled()) {
      FSImage.LOG.debug(
          "numOpAdd = "
              + numOpAdd
              + " numOpClose = "
              + numOpClose
              + " numOpDelete = "
              + numOpDelete
              + " numOpRenameOld = "
              + numOpRenameOld
              + " numOpSetRepl = "
              + numOpSetRepl
              + " numOpMkDir = "
              + numOpMkDir
              + " numOpSetPerm = "
              + numOpSetPerm
              + " numOpSetOwner = "
              + numOpSetOwner
              + " numOpSetGenStamp = "
              + numOpSetGenStamp
              + " numOpTimes = "
              + numOpTimes
              + " numOpConcatDelete  = "
              + numOpConcatDelete
              + " numOpRename = "
              + numOpRename
              + " numOpGetDelegationToken = "
              + numOpGetDelegationToken
              + " numOpRenewDelegationToken = "
              + numOpRenewDelegationToken
              + " numOpCancelDelegationToken = "
              + numOpCancelDelegationToken
              + " numOpUpdateMasterKey = "
              + numOpUpdateMasterKey
              + " numOpOther = "
              + numOpOther);
    }
    return numEdits;
  }
Esempio n. 9
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 public boolean versionSupportsFederation() {
   return LayoutVersion.supports(Feature.FEDERATION, layoutVersion);
 }