Package org.apache.accumulo.core.client

Examples of org.apache.accumulo.core.client.Scanner.fetchColumnFamily()

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      // every time we search for column family 1, it will scan the entire file
      // that has mostly column family 0 until the bug is fixed
      scanner.setRange(new Range(String.format("%06d", i), null));
      scanner.clearColumns();
      scanner.setBatchSize(3);
      scanner.fetchColumnFamily(new Text(String.format("%03d", 1)));
     
      long t1 = System.currentTimeMillis();
      Iterator<Entry<Key,Value>> iter = scanner.iterator();
      if (iter.hasNext()) {
        Entry<Key,Value> entry = iter.next();
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        if (opts.columns != null) {
          for (ScanColumn col : opts.columns) {
            if (col.isSetColQualifier())
              scanner.fetchColumn(ByteBufferUtil.toText(col.colFamily), ByteBufferUtil.toText(col.colQualifier));
            else
              scanner.fetchColumnFamily(ByteBufferUtil.toText(col.colFamily));
          }
        }
      }
     
      UUID uuid = UUID.randomUUID();
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    opts.parseArgs(LocalityCheck.class.getName(), args);
   
    FileSystem fs = FileSystem.get(CachedConfiguration.getInstance());
    Connector connector = opts.getConnector();
    Scanner scanner = connector.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
    scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.setRange(Constants.METADATA_KEYSPACE);
   
    Map<String,Long> totalBlocks = new HashMap<String,Long>();
    Map<String,Long> localBlocks = new HashMap<String,Long>();
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    FileSystem fs = FileSystem.get(CachedConfiguration.getInstance());
    Connector connector = opts.getConnector();
    Scanner scanner = connector.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
    scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.setRange(Constants.METADATA_KEYSPACE);
   
    Map<String,Long> totalBlocks = new HashMap<String,Long>();
    Map<String,Long> localBlocks = new HashMap<String,Long>();
    ArrayList<String> files = new ArrayList<String>();
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    FileSystem fs = FileSystem.get(CachedConfiguration.getInstance());
    Connector connector = opts.getConnector();
    Scanner metadata = connector.createScanner(Constants.METADATA_TABLE_NAME, opts.auths);
    metadata.setBatchSize(scanOpts.scanBatchSize);
    metadata.setRange(Constants.METADATA_KEYSPACE);
    metadata.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    int count = 0;
    int missing = 0;
    BatchWriter writer = null;
    if (opts.fix)
      writer = connector.createBatchWriter(Constants.METADATA_TABLE_NAME, bwOpts.getBatchWriterConfig());
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    }
   
    // skip candidates that are still in use in the file column family in
    // the metadata table
    scanner.clearColumns();
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_SCANFILE_COLUMN_FAMILY);
    Constants.METADATA_DIRECTORY_COLUMN.fetch(scanner);
   
    TabletIterator tabletIterator = new TabletIterator(scanner, Constants.METADATA_KEYSPACE, false, true);
   
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    // skip candidates that are still in use in the file column family in
    // the metadata table
    scanner.clearColumns();
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_SCANFILE_COLUMN_FAMILY);
    Constants.METADATA_DIRECTORY_COLUMN.fetch(scanner);
   
    TabletIterator tabletIterator = new TabletIterator(scanner, Constants.METADATA_KEYSPACE, false, true);
   
    while (tabletIterator.hasNext()) {
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      scanner =  opts.getConnector().createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
    }
   
    scanner.setRange(Constants.METADATA_KEYSPACE);
    Constants.METADATA_PREV_ROW_COLUMN.fetch(scanner);
    scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
   
    Text colf = new Text();
    Text colq = new Text();
    boolean justLoc = false;
   
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        try {
          Connector conn = getConnector();
          Scanner scanner = new IsolatedScanner(conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS));
          Constants.METADATA_FLUSH_COLUMN.fetch(scanner);
          Constants.METADATA_DIRECTORY_COLUMN.fetch(scanner);
          scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
          scanner.fetchColumnFamily(Constants.METADATA_LOG_COLUMN_FAMILY);
          scanner.setRange(new KeyExtent(new Text(tableId), null, ByteBufferUtil.toText(startRow)).toMetadataRange());
         
          RowIterator ri = new RowIterator(scanner);
         
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          Connector conn = getConnector();
          Scanner scanner = new IsolatedScanner(conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS));
          Constants.METADATA_FLUSH_COLUMN.fetch(scanner);
          Constants.METADATA_DIRECTORY_COLUMN.fetch(scanner);
          scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
          scanner.fetchColumnFamily(Constants.METADATA_LOG_COLUMN_FAMILY);
          scanner.setRange(new KeyExtent(new Text(tableId), null, ByteBufferUtil.toText(startRow)).toMetadataRange());
         
          RowIterator ri = new RowIterator(scanner);
         
          int tabletsToWaitFor = 0;
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