Package org.apache.accumulo.server.tabletserver

Examples of org.apache.accumulo.server.tabletserver.UniqueNameAllocator

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  }
 
  @Override
  public Repo<Master> call(long tid, Master environment) throws Exception {
   
    UniqueNameAllocator namer = UniqueNameAllocator.getInstance();
   
    Path directory = new Path(ServerConstants.getTablesDir() + "/" + tableInfo.tableId);
   
    Path newBulkDir = new Path(directory, Constants.BULK_PREFIX + namer.getNextName());
   
    tableInfo.importDir = newBulkDir.toString();
   
    return new MapImportFileNames(tableInfo);
  }
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    // the purpose of the lock file is to avoid a race
    // condition between the call to fs.exists() and
    // fs.mkdirs()... if only hadoop had a mkdir() function
    // that failed when the dir existed
   
    UniqueNameAllocator namer = UniqueNameAllocator.getInstance();
   
    while (true) {
      Path newBulkDir = new Path(directory, Constants.BULK_PREFIX + namer.getNextName());
      if (fs.exists(newBulkDir)) // sanity check
        throw new IllegalStateException("Dir exist when it should not " + newBulkDir);
      if (fs.mkdirs(newBulkDir))
        return newBulkDir;
      log.warn("Failed to create " + newBulkDir + " for unknown reason");
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    MetadataTable.addBulkLoadInProgressFlag("/" + bulkDir.getParent().getName() + "/" + bulkDir.getName());
   
    Path dirPath = new Path(dir);
    FileStatus[] mapFiles = fs.listStatus(dirPath);
   
    UniqueNameAllocator namer = UniqueNameAllocator.getInstance();
   
    for (FileStatus fileStatus : mapFiles) {
      String sa[] = fileStatus.getPath().getName().split("\\.");
      String extension = "";
      if (sa.length > 1) {
        extension = sa[sa.length - 1];
       
        if (!FileOperations.getValidExtensions().contains(extension)) {
          log.warn(fileStatus.getPath() + " does not have a valid extension, ignoring");
          continue;
        }
      } else {
        // assume it is a map file
        extension = Constants.MAPFILE_EXTENSION;
      }
     
      if (extension.equals(Constants.MAPFILE_EXTENSION)) {
        if (!fileStatus.isDir()) {
          log.warn(fileStatus.getPath() + " is not a map file, ignoring");
          continue;
        }
       
        if (fileStatus.getPath().getName().equals("_logs")) {
          log.info(fileStatus.getPath() + " is probably a log directory from a map/reduce task, skipping");
          continue;
        }
        try {
          FileStatus dataStatus = fs.getFileStatus(new Path(fileStatus.getPath(), MapFile.DATA_FILE_NAME));
          if (dataStatus.isDir()) {
            log.warn(fileStatus.getPath() + " is not a map file, ignoring");
            continue;
          }
        } catch (FileNotFoundException fnfe) {
          log.warn(fileStatus.getPath() + " is not a map file, ignoring");
          continue;
        }
      }
     
      String newName = "I" + namer.getNextName() + "." + extension;
      Path newPath = new Path(bulkDir, newName);
      try {
        fs.rename(fileStatus.getPath(), newPath);
        log.debug("Moved " + fileStatus.getPath() + " to " + newPath);
      } catch (IOException E1) {
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    // the purpose of the lock file is to avoid a race
    // condition between the call to fs.exists() and
    // fs.mkdirs()... if only hadoop had a mkdir() function
    // that failed when the dir existed
   
    UniqueNameAllocator namer = UniqueNameAllocator.getInstance();
   
    while (true) {
      Path newBulkDir = new Path(directory, Constants.BULK_PREFIX + namer.getNextName());
      if (fs.exists(newBulkDir)) // sanity check
        throw new IllegalStateException("Dir exist when it should not " + newBulkDir);
      if (fs.mkdirs(newBulkDir))
        return newBulkDir;
      log.warn("Failed to create " + newBulkDir + " for unknown reason");
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    MetadataTable.addBulkLoadInProgressFlag("/" + bulkDir.getParent().getName() + "/" + bulkDir.getName());
   
    Path dirPath = new Path(dir);
    FileStatus[] mapFiles = fs.listStatus(dirPath);
   
    UniqueNameAllocator namer = UniqueNameAllocator.getInstance();
   
    for (FileStatus fileStatus : mapFiles) {
      String sa[] = fileStatus.getPath().getName().split("\\.");
      String extension = "";
      if (sa.length > 1) {
        extension = sa[sa.length - 1];
       
        if (!FileOperations.getValidExtensions().contains(extension)) {
          log.warn(fileStatus.getPath() + " does not have a valid extension, ignoring");
          continue;
        }
      } else {
        // assume it is a map file
        extension = Constants.MAPFILE_EXTENSION;
      }
     
      if (extension.equals(Constants.MAPFILE_EXTENSION)) {
        if (!fileStatus.isDir()) {
          log.warn(fileStatus.getPath() + " is not a map file, ignoring");
          continue;
        }
       
        if (fileStatus.getPath().getName().equals("_logs")) {
          log.info(fileStatus.getPath() + " is probably a log directory from a map/reduce task, skipping");
          continue;
        }
        try {
          FileStatus dataStatus = fs.getFileStatus(new Path(fileStatus.getPath(), MapFile.DATA_FILE_NAME));
          if (dataStatus.isDir()) {
            log.warn(fileStatus.getPath() + " is not a map file, ignoring");
            continue;
          }
        } catch (FileNotFoundException fnfe) {
          log.warn(fileStatus.getPath() + " is not a map file, ignoring");
          continue;
        }
      }
     
      String newName = "I" + namer.getNextName() + "." + extension;
      Path newPath = new Path(bulkDir, newName);
      try {
        fs.rename(fileStatus.getPath(), newPath);
        log.debug("Moved " + fileStatus.getPath() + " to " + newPath);
      } catch (IOException E1) {
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  private static final Logger log = Logger.getLogger(TabletOperations.class);
 
  public static String createTabletDirectory(FileSystem fs, String tableDir, Text endRow) {
    String lowDirectory;
   
    UniqueNameAllocator namer = UniqueNameAllocator.getInstance();
   
    while (true) {
      try {
        if (endRow == null) {
          lowDirectory = Constants.DEFAULT_TABLET_LOCATION;
          Path lowDirectoryPath = new Path(tableDir + lowDirectory);
          if (fs.exists(lowDirectoryPath) || fs.mkdirs(lowDirectoryPath))
            return lowDirectory;
          log.warn("Failed to create " + lowDirectoryPath + " for unknown reason");
        } else {
          lowDirectory = "/t-" + namer.getNextName();
          Path lowDirectoryPath = new Path(tableDir + lowDirectory);
          if (fs.exists(lowDirectoryPath))
            throw new IllegalStateException("Dir exist when it should not " + lowDirectoryPath);
          if (fs.mkdirs(lowDirectoryPath))
            return lowDirectory;
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    // the purpose of the lock file is to avoid a race
    // condition between the call to fs.exists() and
    // fs.mkdirs()... if only hadoop had a mkdir() function
    // that failed when the dir existed
   
    UniqueNameAllocator namer = UniqueNameAllocator.getInstance();
   
    while (true) {
      Path newBulkDir = new Path(directory, Constants.BULK_PREFIX + namer.getNextName());
      if (fs.exists(newBulkDir)) // sanity check
        throw new IllegalStateException("Dir exist when it should not " + newBulkDir);
      if (fs.mkdirs(newBulkDir))
        return newBulkDir;
      log.warn("Failed to create " + newBulkDir + " for unknown reason");
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    MetadataTable.addBulkLoadInProgressFlag("/" + bulkDir.getParent().getName() + "/" + bulkDir.getName());
   
    Path dirPath = new Path(dir);
    FileStatus[] mapFiles = fs.listStatus(dirPath);
   
    UniqueNameAllocator namer = UniqueNameAllocator.getInstance();
   
    for (FileStatus fileStatus : mapFiles) {
      String sa[] = fileStatus.getPath().getName().split("\\.");
      String extension = "";
      if (sa.length > 1) {
        extension = sa[sa.length - 1];
       
        if (!FileOperations.getValidExtensions().contains(extension)) {
          log.warn(fileStatus.getPath() + " does not have a valid extension, ignoring");
          continue;
        }
      } else {
        // assume it is a map file
        extension = Constants.MAPFILE_EXTENSION;
      }
     
      if (extension.equals(Constants.MAPFILE_EXTENSION)) {
        if (!fileStatus.isDir()) {
          log.warn(fileStatus.getPath() + " is not a map file, ignoring");
          continue;
        }
       
        if (fileStatus.getPath().getName().equals("_logs")) {
          log.info(fileStatus.getPath() + " is probably a log directory from a map/reduce task, skipping");
          continue;
        }
        try {
          FileStatus dataStatus = fs.getFileStatus(new Path(fileStatus.getPath(), MapFile.DATA_FILE_NAME));
          if (dataStatus.isDir()) {
            log.warn(fileStatus.getPath() + " is not a map file, ignoring");
            continue;
          }
        } catch (FileNotFoundException fnfe) {
          log.warn(fileStatus.getPath() + " is not a map file, ignoring");
          continue;
        }
      }
     
      String newName = "I" + namer.getNextName() + "." + extension;
      Path newPath = new Path(bulkDir, newName);
      try {
        fs.rename(fileStatus.getPath(), newPath);
        log.debug("Moved " + fileStatus.getPath() + " to " + newPath);
      } catch (IOException E1) {
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    // the purpose of the lock file is to avoid a race
    // condition between the call to fs.exists() and
    // fs.mkdirs()... if only hadoop had a mkdir() function
    // that failed when the dir existed
   
    UniqueNameAllocator namer = UniqueNameAllocator.getInstance();
   
    while (true) {
      Path newBulkDir = new Path(directory, Constants.BULK_PREFIX + namer.getNextName());
      if (fs.exists(newBulkDir)) // sanity check
        throw new IllegalStateException("Dir exist when it should not " + newBulkDir);
      if (fs.mkdirs(newBulkDir))
        return newBulkDir;
      log.warn("Failed to create " + newBulkDir + " for unknown reason");
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    MetadataTable.addBulkLoadInProgressFlag("/" + bulkDir.getParent().getName() + "/" + bulkDir.getName());
   
    Path dirPath = new Path(dir);
    FileStatus[] mapFiles = fs.listStatus(dirPath);
   
    UniqueNameAllocator namer = UniqueNameAllocator.getInstance();
   
    for (FileStatus fileStatus : mapFiles) {
      String sa[] = fileStatus.getPath().getName().split("\\.");
      String extension = "";
      if (sa.length > 1) {
        extension = sa[sa.length - 1];
       
        if (!FileOperations.getValidExtensions().contains(extension)) {
          log.warn(fileStatus.getPath() + " does not have a valid extension, ignoring");
          continue;
        }
      } else {
        // assume it is a map file
        extension = Constants.MAPFILE_EXTENSION;
      }
     
      if (extension.equals(Constants.MAPFILE_EXTENSION)) {
        if (!fileStatus.isDir()) {
          log.warn(fileStatus.getPath() + " is not a map file, ignoring");
          continue;
        }
       
        if (fileStatus.getPath().getName().equals("_logs")) {
          log.info(fileStatus.getPath() + " is probably a log directory from a map/reduce task, skipping");
          continue;
        }
        try {
          FileStatus dataStatus = fs.getFileStatus(new Path(fileStatus.getPath(), MapFile.DATA_FILE_NAME));
          if (dataStatus.isDir()) {
            log.warn(fileStatus.getPath() + " is not a map file, ignoring");
            continue;
          }
        } catch (FileNotFoundException fnfe) {
          log.warn(fileStatus.getPath() + " is not a map file, ignoring");
          continue;
        }
      }
     
      String newName = "I" + namer.getNextName() + "." + extension;
      Path newPath = new Path(bulkDir, newName);
      try {
        fs.rename(fileStatus.getPath(), newPath);
        log.debug("Moved " + fileStatus.getPath() + " to " + newPath);
      } catch (IOException E1) {
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Related Classes of org.apache.accumulo.server.tabletserver.UniqueNameAllocator

  • org.apache.accumulo.server.master.tableOps.BulkImport
  • org.apache.accumulo.server.master.tableOps.CreateImportDir
  • org.apache.accumulo.server.master.tableOps.MapImportFileNames
  • org.apache.accumulo.server.util.TabletOperations
  • java.util.Random
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