Package org.apache.accumulo.core.client.impl

Examples of org.apache.accumulo.core.client.impl.ScannerImpl.fetchColumnFamily()

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  public static SortedMap<String,DataFileValue> getDataFileSizes(KeyExtent extent, AuthInfo credentials) {
    TreeMap<String,DataFileValue> sizes = new TreeMap<String,DataFileValue>();
   
    Scanner mdScanner = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
    mdScanner.setRange(Constants.METADATA_KEYSPACE);
    mdScanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    Text row = extent.getMetadataEntry();
   
    Key endKey = new Key(row, Constants.METADATA_DATAFILE_COLUMN_FAMILY, new Text(""));
    endKey = endKey.followingKey(PartialKey.ROW_COLFAM);
   
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    Key rowKey = new Key(metadataEntry);
   
    SortedMap<String,DataFileValue> origDatafileSizes = new TreeMap<String,DataFileValue>();
    SortedMap<String,DataFileValue> highDatafileSizes = new TreeMap<String,DataFileValue>();
    SortedMap<String,DataFileValue> lowDatafileSizes = new TreeMap<String,DataFileValue>();
    scanner3.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner3.setRange(new Range(rowKey, rowKey.followingKey(PartialKey.ROW)));
   
    for (Entry<Key,Value> entry : scanner3) {
      if (entry.getKey().compareColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY) == 0) {
        origDatafileSizes.put(entry.getKey().getColumnQualifier().toString(), new DataFileValue(entry.getValue().get()));
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        sizes.put(Constants.ZROOT_TABLET + "/" + fileStatus.getPath().getName(), dfv);
      }
     
    } else {
      Scanner scanner = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
      scanner.fetchColumnFamily(Constants.METADATA_LOG_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
      scanner.setRange(extent.toMetadataRange());
     
      for (Entry<Key,Value> entry : scanner) {
        if (!entry.getKey().getRow().equals(extent.getMetadataEntry())) {
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      }
     
    } else {
      Scanner scanner = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
      scanner.fetchColumnFamily(Constants.METADATA_LOG_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
      scanner.setRange(extent.toMetadataRange());
     
      for (Entry<Key,Value> entry : scanner) {
        if (!entry.getKey().getRow().equals(extent.getMetadataEntry())) {
          throw new RuntimeException("Unexpected row " + entry.getKey().getRow() + " expected " + extent.getMetadataEntry());
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        // reduced batch size to improve performance
        // changed here after endKeys were implemented from 10 to 1000
        mdScanner.setBatchSize(1000);
       
        // leave these in, again, now using endKey for safety
        mdScanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
       
        mdScanner.setRange(new Range(rowName));
       
        datafilesMetadata = new TreeMap<Key,Value>();
       
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        // reduced batch size to improve performance
        // changed here after endKeys were implemented from 10 to 1000
        mdScanner.setBatchSize(1000);
       
        // leave these in, again, now using endKey for safety
        mdScanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
       
        mdScanner.setRange(new Range(rowName));
       
        datafilesMetadata = new TreeMap<Key,Value>();
       
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