Examples of BatchWriterImpl

Examples of org.apache.accumulo.core.client.impl.BatchWriterImpl

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  }
 
  public static void deleteTable(String tableId, boolean insertDeletes, TCredentials credentials, ZooLock lock) throws AccumuloException {
    Scanner ms = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
    Text tableIdText = new Text(tableId);
    BatchWriter bw = new BatchWriterImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, new BatchWriterConfig().setMaxMemory(1000000)
        .setMaxLatency(120000l, TimeUnit.MILLISECONDS).setMaxWriteThreads(2));
   
    // scan metadata for our table and delete everything we find
    Mutation m = null;
    ms.setRange(new KeyExtent(tableIdText, null, null).toMetadataRange());

    // insert deletes before deleting data from !METADATA... this makes the code fault tolerant
    if (insertDeletes) {

      ms.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
      Constants.METADATA_DIRECTORY_COLUMN.fetch(ms);
     
      for (Entry<Key,Value> cell : ms) {
        Key key = cell.getKey();

        if (key.getColumnFamily().equals(Constants.METADATA_DATAFILE_COLUMN_FAMILY)) {
          String relPath = key.getColumnQualifier().toString();
          // only insert deletes for files owned by this table
          if (!relPath.startsWith("../"))
            bw.addMutation(createDeleteMutation(tableId, relPath));
        }

        if (Constants.METADATA_DIRECTORY_COLUMN.hasColumns(key)) {
          bw.addMutation(createDeleteMutation(tableId, cell.getValue().toString()));
        }
      }

      bw.flush();

      ms.clearColumns();
    }

    for (Entry<Key,Value> cell : ms) {
      Key key = cell.getKey();

      if (m == null) {
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }

      if (key.getRow().compareTo(m.getRow(), 0, m.getRow().length) != 0) {
        bw.addMutation(m);
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }
      m.putDelete(key.getColumnFamily(), key.getColumnQualifier());
    }

    if (m != null)
      bw.addMutation(m);

    bw.close();
  }
View Full Code Here

Examples of org.apache.accumulo.core.client.impl.BatchWriterImpl

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  }
 
  public static void deleteTable(String tableId, boolean insertDeletes, AuthInfo credentials, ZooLock lock) throws AccumuloException {
    Scanner ms = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
    Text tableIdText = new Text(tableId);
    BatchWriter bw = new BatchWriterImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, 1000000, 120000l, 2);
   
    // scan metadata for our table and delete everything we find
    Mutation m = null;
    ms.setRange(new KeyExtent(tableIdText, null, null).toMetadataRange());
   
    // insert deletes before deleting data from !METADATA... this makes the code fault tolerant
    if (insertDeletes) {
     
      ms.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
      ColumnFQ.fetch(ms, Constants.METADATA_DIRECTORY_COLUMN);
     
      for (Entry<Key,Value> cell : ms) {
        Key key = cell.getKey();
       
        if (key.getColumnFamily().equals(Constants.METADATA_DATAFILE_COLUMN_FAMILY)) {
          String relPath = key.getColumnQualifier().toString();
          // only insert deletes for files owned by this table
          if (!relPath.startsWith("../"))
            bw.addMutation(createDeleteMutation(tableId, relPath));
        }
       
        if (Constants.METADATA_DIRECTORY_COLUMN.hasColumns(key)) {
          bw.addMutation(createDeleteMutation(tableId, cell.getValue().toString()));
        }
      }
     
      bw.flush();
     
      ms.clearColumns();
    }
   
    for (Entry<Key,Value> cell : ms) {
      Key key = cell.getKey();
     
      if (m == null) {
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }
     
      if (key.getRow().compareTo(m.getRow(), 0, m.getRow().length) != 0) {
        bw.addMutation(m);
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }
      m.putDelete(key.getColumnFamily(), key.getColumnQualifier());
    }
   
    if (m != null)
      bw.addMutation(m);
   
    bw.close();
  }
View Full Code Here

Examples of org.apache.accumulo.core.client.impl.BatchWriterImpl

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  }
 
  public static void deleteTable(String tableId, boolean insertDeletes, TCredentials credentials, ZooLock lock) throws AccumuloException {
    Scanner ms = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
    Text tableIdText = new Text(tableId);
    BatchWriter bw = new BatchWriterImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, new BatchWriterConfig().setMaxMemory(1000000)
        .setMaxLatency(120000l, TimeUnit.MILLISECONDS).setMaxWriteThreads(2));
   
    // scan metadata for our table and delete everything we find
    Mutation m = null;
    ms.setRange(new KeyExtent(tableIdText, null, null).toMetadataRange());
   
    // insert deletes before deleting data from !METADATA... this makes the code fault tolerant
    if (insertDeletes) {
     
      ms.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
      Constants.METADATA_DIRECTORY_COLUMN.fetch(ms);
     
      for (Entry<Key,Value> cell : ms) {
        Key key = cell.getKey();
       
        if (key.getColumnFamily().equals(Constants.METADATA_DATAFILE_COLUMN_FAMILY)) {
          String relPath = key.getColumnQualifier().toString();
          // only insert deletes for files owned by this table
          if (!relPath.startsWith("../"))
            bw.addMutation(createDeleteMutation(tableId, relPath));
        }
       
        if (Constants.METADATA_DIRECTORY_COLUMN.hasColumns(key)) {
          bw.addMutation(createDeleteMutation(tableId, cell.getValue().toString()));
        }
      }
     
      bw.flush();
     
      ms.clearColumns();
    }
   
    for (Entry<Key,Value> cell : ms) {
      Key key = cell.getKey();
     
      if (m == null) {
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }
     
      if (key.getRow().compareTo(m.getRow(), 0, m.getRow().length) != 0) {
        bw.addMutation(m);
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }
      m.putDelete(key.getColumnFamily(), key.getColumnQualifier());
    }
   
    if (m != null)
      bw.addMutation(m);
   
    bw.close();
  }
View Full Code Here

Examples of org.apache.accumulo.core.client.impl.BatchWriterImpl

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  }

  public static void deleteTable(String tableId, boolean insertDeletes, Credentials credentials, ZooLock lock) throws AccumuloException, IOException {
    Scanner ms = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, MetadataTable.ID, Authorizations.EMPTY);
    Text tableIdText = new Text(tableId);
    BatchWriter bw = new BatchWriterImpl(HdfsZooInstance.getInstance(), credentials, MetadataTable.ID, new BatchWriterConfig().setMaxMemory(1000000)
        .setMaxLatency(120000l, TimeUnit.MILLISECONDS).setMaxWriteThreads(2));

    // scan metadata for our table and delete everything we find
    Mutation m = null;
    ms.setRange(new KeyExtent(tableIdText, null, null).toMetadataRange());

    // insert deletes before deleting data from metadata... this makes the code fault tolerant
    if (insertDeletes) {

      ms.fetchColumnFamily(DataFileColumnFamily.NAME);
      TabletsSection.ServerColumnFamily.DIRECTORY_COLUMN.fetch(ms);

      for (Entry<Key,Value> cell : ms) {
        Key key = cell.getKey();

        if (key.getColumnFamily().equals(DataFileColumnFamily.NAME)) {
          FileRef ref = new FileRef(VolumeManagerImpl.get(), key);
          bw.addMutation(createDeleteMutation(tableId, ref.meta().toString()));
        }

        if (TabletsSection.ServerColumnFamily.DIRECTORY_COLUMN.hasColumns(key)) {
          bw.addMutation(createDeleteMutation(tableId, cell.getValue().toString()));
        }
      }

      bw.flush();

      ms.clearColumns();
    }

    for (Entry<Key,Value> cell : ms) {
      Key key = cell.getKey();

      if (m == null) {
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }

      if (key.getRow().compareTo(m.getRow(), 0, m.getRow().length) != 0) {
        bw.addMutation(m);
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }
      m.putDelete(key.getColumnFamily(), key.getColumnQualifier());
    }

    if (m != null)
      bw.addMutation(m);

    bw.close();
  }
View Full Code Here

Examples of org.apache.accumulo.core.client.impl.BatchWriterImpl

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  }
 
  public static void deleteTable(String table, AuthInfo credentials, ZooLock lock) throws AccumuloException {
    Scanner ms = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
    Text tableText = new Text(table);
    BatchWriter bw = new BatchWriterImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, 1000000, 120000l, 1);
   
    // scan metadata for our table and delete everything we find
    Mutation m = null;
    ms.setRange(new Range(new Key(new Text(KeyExtent.getMetadataEntry(tableText, new Text()))), true, Constants.METADATA_RESERVED_KEYSPACE_START_KEY, false));
   
    for (Entry<Key,Value> cell : ms) {
      Key key = cell.getKey();
      String rowTable = new String(KeyExtent.tableOfMetadataRow(key.getRow()));
     
      if (!rowTable.equals(table))
        break;
     
      if (m == null) {
        m = new Mutation(key.getRow());
        putLockID(lock, m);
      }
     
      if (key.getRow().compareTo(m.getRow(), 0, m.getRow().length) != 0) {
        bw.addMutation(m);
        m = new Mutation(key.getRow());
        putLockID(lock, m);
      }
      m.putDelete(key.getColumnFamily(), key.getColumnQualifier());
    }
   
    if (m != null)
      bw.addMutation(m);
   
    bw.close();
  }
View Full Code Here

Examples of org.apache.accumulo.core.client.impl.BatchWriterImpl

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  }
 
  public static void deleteTable(String tableId, boolean insertDeletes, AuthInfo credentials, ZooLock lock) throws AccumuloException {
    Scanner ms = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
    Text tableIdText = new Text(tableId);
    BatchWriter bw = new BatchWriterImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, 1000000, 120000l, 2);
   
    // scan metadata for our table and delete everything we find
    Mutation m = null;
    ms.setRange(new KeyExtent(tableIdText, null, null).toMetadataRange());
   
    // insert deletes before deleting data from !METADATA... this makes the code fault tolerant
    if (insertDeletes) {
     
      ms.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
      ColumnFQ.fetch(ms, Constants.METADATA_DIRECTORY_COLUMN);
     
      for (Entry<Key,Value> cell : ms) {
        Key key = cell.getKey();
       
        if (key.getColumnFamily().equals(Constants.METADATA_DATAFILE_COLUMN_FAMILY)) {
          String relPath = key.getColumnQualifier().toString();
          // only insert deletes for files owned by this table
          if (!relPath.startsWith("../"))
            bw.addMutation(createDeleteMutation(tableId, relPath));
        }
       
        if (Constants.METADATA_DIRECTORY_COLUMN.hasColumns(key)) {
          bw.addMutation(createDeleteMutation(tableId, cell.getValue().toString()));
        }
      }
     
      bw.flush();
     
      ms.clearColumns();
    }
   
    for (Entry<Key,Value> cell : ms) {
      Key key = cell.getKey();
     
      if (m == null) {
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }
     
      if (key.getRow().compareTo(m.getRow(), 0, m.getRow().length) != 0) {
        bw.addMutation(m);
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }
      m.putDelete(key.getColumnFamily(), key.getColumnQualifier());
    }
   
    if (m != null)
      bw.addMutation(m);
   
    bw.close();
  }
View Full Code Here

Examples of org.apache.accumulo.core.client.impl.BatchWriterImpl

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  }
 
  public static void deleteTable(String tableId, boolean insertDeletes, TCredentials credentials, ZooLock lock) throws AccumuloException {
    Scanner ms = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
    Text tableIdText = new Text(tableId);
    BatchWriter bw = new BatchWriterImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, new BatchWriterConfig().setMaxMemory(1000000)
        .setMaxLatency(120000l, TimeUnit.MILLISECONDS).setMaxWriteThreads(2));
   
    // scan metadata for our table and delete everything we find
    Mutation m = null;
    ms.setRange(new KeyExtent(tableIdText, null, null).toMetadataRange());
   
    // insert deletes before deleting data from !METADATA... this makes the code fault tolerant
    if (insertDeletes) {
     
      ms.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
      Constants.METADATA_DIRECTORY_COLUMN.fetch(ms);
     
      for (Entry<Key,Value> cell : ms) {
        Key key = cell.getKey();
       
        if (key.getColumnFamily().equals(Constants.METADATA_DATAFILE_COLUMN_FAMILY)) {
          String relPath = key.getColumnQualifier().toString();
          // only insert deletes for files owned by this table
          if (!relPath.startsWith("../"))
            bw.addMutation(createDeleteMutation(tableId, relPath));
        }
       
        if (Constants.METADATA_DIRECTORY_COLUMN.hasColumns(key)) {
          bw.addMutation(createDeleteMutation(tableId, cell.getValue().toString()));
        }
      }
     
      bw.flush();
     
      ms.clearColumns();
    }
   
    for (Entry<Key,Value> cell : ms) {
      Key key = cell.getKey();
     
      if (m == null) {
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }
     
      if (key.getRow().compareTo(m.getRow(), 0, m.getRow().length) != 0) {
        bw.addMutation(m);
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }
      m.putDelete(key.getColumnFamily(), key.getColumnQualifier());
    }
   
    if (m != null)
      bw.addMutation(m);
   
    bw.close();
  }
View Full Code Here

Examples of org.apache.accumulo.core.client.impl.BatchWriterImpl

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  }

  public static void deleteTable(String tableId, boolean insertDeletes, Credentials credentials, ZooLock lock) throws AccumuloException, IOException {
    Scanner ms = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, MetadataTable.ID, Authorizations.EMPTY);
    Text tableIdText = new Text(tableId);
    BatchWriter bw = new BatchWriterImpl(HdfsZooInstance.getInstance(), credentials, MetadataTable.ID, new BatchWriterConfig().setMaxMemory(1000000)
        .setMaxLatency(120000l, TimeUnit.MILLISECONDS).setMaxWriteThreads(2));

    // scan metadata for our table and delete everything we find
    Mutation m = null;
    ms.setRange(new KeyExtent(tableIdText, null, null).toMetadataRange());

    // insert deletes before deleting data from metadata... this makes the code fault tolerant
    if (insertDeletes) {

      ms.fetchColumnFamily(DataFileColumnFamily.NAME);
      TabletsSection.ServerColumnFamily.DIRECTORY_COLUMN.fetch(ms);

      for (Entry<Key,Value> cell : ms) {
        Key key = cell.getKey();

        if (key.getColumnFamily().equals(DataFileColumnFamily.NAME)) {
          FileRef ref = new FileRef(VolumeManagerImpl.get(), key);
          bw.addMutation(createDeleteMutation(tableId, ref.meta().toString()));
        }

        if (TabletsSection.ServerColumnFamily.DIRECTORY_COLUMN.hasColumns(key)) {
          bw.addMutation(createDeleteMutation(tableId, cell.getValue().toString()));
        }
      }

      bw.flush();

      ms.clearColumns();
    }

    for (Entry<Key,Value> cell : ms) {
      Key key = cell.getKey();

      if (m == null) {
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }

      if (key.getRow().compareTo(m.getRow(), 0, m.getRow().length) != 0) {
        bw.addMutation(m);
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }
      m.putDelete(key.getColumnFamily(), key.getColumnQualifier());
    }

    if (m != null)
      bw.addMutation(m);

    bw.close();
  }
View Full Code Here

Examples of org.apache.accumulo.core.client.impl.BatchWriterImpl

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  }
 
  public static void deleteTable(String tableId, boolean insertDeletes, AuthInfo credentials, ZooLock lock) throws AccumuloException {
    Scanner ms = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
    Text tableIdText = new Text(tableId);
    BatchWriter bw = new BatchWriterImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, 1000000, 120000l, 2);
   
    // scan metadata for our table and delete everything we find
    Mutation m = null;
    ms.setRange(new KeyExtent(tableIdText, null, null).toMetadataRange());
   
    // insert deletes before deleting data from !METADATA... this makes the code fault tolerant
    if (insertDeletes) {
     
      ms.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
      ColumnFQ.fetch(ms, Constants.METADATA_DIRECTORY_COLUMN);
     
      for (Entry<Key,Value> cell : ms) {
        Key key = cell.getKey();
       
        if (key.getColumnFamily().equals(Constants.METADATA_DATAFILE_COLUMN_FAMILY)) {
          String relPath = key.getColumnQualifier().toString();
          // only insert deletes for files owned by this table
          if (!relPath.startsWith("../"))
            bw.addMutation(createDeleteMutation(tableId, relPath));
        }
       
        if (Constants.METADATA_DIRECTORY_COLUMN.hasColumns(key)) {
          bw.addMutation(createDeleteMutation(tableId, cell.getValue().toString()));
        }
      }
     
      bw.flush();
     
      ms.clearColumns();
    }
   
    for (Entry<Key,Value> cell : ms) {
      Key key = cell.getKey();
     
      if (m == null) {
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }
     
      if (key.getRow().compareTo(m.getRow(), 0, m.getRow().length) != 0) {
        bw.addMutation(m);
        m = new Mutation(key.getRow());
        if (lock != null)
          putLockID(lock, m);
      }
      m.putDelete(key.getColumnFamily(), key.getColumnQualifier());
    }
   
    if (m != null)
      bw.addMutation(m);
   
    bw.close();
  }
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Examples of org.apache.accumulo.core.client.impl.BatchWriterImpl

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  }
 
  public static void deleteTable(String table, AuthInfo credentials, ZooLock lock) throws AccumuloException {
    Scanner ms = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
    Text tableText = new Text(table);
    BatchWriter bw = new BatchWriterImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, 1000000, 120000l, 1);
   
    // scan metadata for our table and delete everything we find
    Mutation m = null;
    ms.setRange(new Range(new Key(new Text(KeyExtent.getMetadataEntry(tableText, new Text()))), true, Constants.METADATA_RESERVED_KEYSPACE_START_KEY, false));
   
    for (Entry<Key,Value> cell : ms) {
      Key key = cell.getKey();
      String rowTable = new String(KeyExtent.tableOfMetadataRow(key.getRow()));
     
      if (!rowTable.equals(table))
        break;
     
      if (m == null) {
        m = new Mutation(key.getRow());
        putLockID(lock, m);
      }
     
      if (key.getRow().compareTo(m.getRow(), 0, m.getRow().length) != 0) {
        bw.addMutation(m);
        m = new Mutation(key.getRow());
        putLockID(lock, m);
      }
      m.putDelete(key.getColumnFamily(), key.getColumnQualifier());
    }
   
    if (m != null)
      bw.addMutation(m);
   
    bw.close();
  }
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