Java Code Examples for org.apache.cassandra.hadoop.ConfigHelper#setInputSplitSize()

The following examples show how to use org.apache.cassandra.hadoop.ConfigHelper#setInputSplitSize() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: CqlNativeStorage.java From stratio-cassandra with Apache License 2.0

5 votes

/** set store configuration settings */
public void setStoreLocation(String location, Job job) throws IOException
{
    conf = HadoopCompat.getConfiguration(job);
    setLocationFromUri(location);

    if (username != null && password != null)
        ConfigHelper.setOutputKeyspaceUserNameAndPassword(conf, username, password);
    if (splitSize > 0)
        ConfigHelper.setInputSplitSize(conf, splitSize);
    if (partitionerClass!= null)
        ConfigHelper.setOutputPartitioner(conf, partitionerClass);
    if (rpcPort != null)
    {
        ConfigHelper.setOutputRpcPort(conf, rpcPort);
        ConfigHelper.setInputRpcPort(conf, rpcPort);
    }
    if (initHostAddress != null)
    {
        ConfigHelper.setOutputInitialAddress(conf, initHostAddress);
        ConfigHelper.setInputInitialAddress(conf, initHostAddress);
    }

    ConfigHelper.setOutputColumnFamily(conf, keyspace, column_family);
    CqlConfigHelper.setOutputCql(conf, outputQuery);

    setConnectionInformation();

    if (ConfigHelper.getOutputRpcPort(conf) == 0)
        throw new IOException("PIG_OUTPUT_RPC_PORT or PIG_RPC_PORT environment variable not set");
    if (ConfigHelper.getOutputInitialAddress(conf) == null)
        throw new IOException("PIG_OUTPUT_INITIAL_ADDRESS or PIG_INITIAL_ADDRESS environment variable not set");
    if (ConfigHelper.getOutputPartitioner(conf) == null)
        throw new IOException("PIG_OUTPUT_PARTITIONER or PIG_PARTITIONER environment variable not set");

    initSchema(storeSignature);
}

Example 2

Source File: CqlNativeStorage.java From stratio-cassandra with Apache License 2.0

4 votes

/** set read configuration settings */
public void setLocation(String location, Job job) throws IOException
{
    conf = job.getConfiguration();
    setLocationFromUri(location);

    if (username != null && password != null)
    {
        ConfigHelper.setInputKeyspaceUserNameAndPassword(conf, username, password);
        CqlConfigHelper.setUserNameAndPassword(conf, username, password);
    }
    if (splitSize > 0)
        ConfigHelper.setInputSplitSize(conf, splitSize);
    if (partitionerClass!= null)
        ConfigHelper.setInputPartitioner(conf, partitionerClass);
    if (initHostAddress != null)
        ConfigHelper.setInputInitialAddress(conf, initHostAddress);
    if (rpcPort != null)
        ConfigHelper.setInputRpcPort(conf, rpcPort);
    if (nativePort != null)
        CqlConfigHelper.setInputNativePort(conf, nativePort);
    if (nativeCoreConnections != null)
        CqlConfigHelper.setInputCoreConnections(conf, nativeCoreConnections);
    if (nativeMaxConnections != null)
        CqlConfigHelper.setInputMaxConnections(conf, nativeMaxConnections);
    if (nativeMinSimultReqs != null)
        CqlConfigHelper.setInputMinSimultReqPerConnections(conf, nativeMinSimultReqs);
    if (nativeMaxSimultReqs != null)
        CqlConfigHelper.setInputMaxSimultReqPerConnections(conf, nativeMaxSimultReqs);
    if (nativeConnectionTimeout != null)
        CqlConfigHelper.setInputNativeConnectionTimeout(conf, nativeConnectionTimeout);
    if (nativeReadConnectionTimeout != null)
        CqlConfigHelper.setInputNativeReadConnectionTimeout(conf, nativeReadConnectionTimeout);
    if (nativeReceiveBufferSize != null)
        CqlConfigHelper.setInputNativeReceiveBufferSize(conf, nativeReceiveBufferSize);
    if (nativeSendBufferSize != null)
        CqlConfigHelper.setInputNativeSendBufferSize(conf, nativeSendBufferSize);
    if (nativeSolinger != null)
        CqlConfigHelper.setInputNativeSolinger(conf, nativeSolinger);
    if (nativeTcpNodelay != null)
        CqlConfigHelper.setInputNativeTcpNodelay(conf, nativeTcpNodelay);
    if (nativeReuseAddress != null)
        CqlConfigHelper.setInputNativeReuseAddress(conf, nativeReuseAddress);
    if (nativeKeepAlive != null)
        CqlConfigHelper.setInputNativeKeepAlive(conf, nativeKeepAlive);
    if (nativeAuthProvider != null)
        CqlConfigHelper.setInputNativeAuthProvider(conf, nativeAuthProvider);
    if (nativeSSLTruststorePath != null)
        CqlConfigHelper.setInputNativeSSLTruststorePath(conf, nativeSSLTruststorePath);
    if (nativeSSLKeystorePath != null)
        CqlConfigHelper.setInputNativeSSLKeystorePath(conf, nativeSSLKeystorePath);
    if (nativeSSLTruststorePassword != null)
        CqlConfigHelper.setInputNativeSSLTruststorePassword(conf, nativeSSLTruststorePassword);
    if (nativeSSLKeystorePassword != null)
        CqlConfigHelper.setInputNativeSSLKeystorePassword(conf, nativeSSLKeystorePassword);
    if (nativeSSLCipherSuites != null)
        CqlConfigHelper.setInputNativeSSLCipherSuites(conf, nativeSSLCipherSuites);

    ConfigHelper.setInputColumnFamily(conf, keyspace, column_family);
    setConnectionInformation();

    CqlConfigHelper.setInputCQLPageRowSize(conf, String.valueOf(pageSize));
    if (inputCql != null)
        CqlConfigHelper.setInputCql(conf, inputCql);
    if (columns != null)
        CqlConfigHelper.setInputColumns(conf, columns);
    if (whereClause != null)
        CqlConfigHelper.setInputWhereClauses(conf, whereClause);

    String whereClauseForPartitionFilter = getWhereClauseForPartitionFilter();
    String wc = whereClause != null && !whereClause.trim().isEmpty() 
                           ? whereClauseForPartitionFilter == null ? whereClause: String.format("%s AND %s", whereClause.trim(), whereClauseForPartitionFilter)
                           : whereClauseForPartitionFilter;

    if (wc != null)
    {
        logger.debug("where clause: {}", wc);
        CqlConfigHelper.setInputWhereClauses(conf, wc);
    } 
    if (System.getenv(PIG_INPUT_SPLIT_SIZE) != null)
    {
        try
        {
            ConfigHelper.setInputSplitSize(conf, Integer.parseInt(System.getenv(PIG_INPUT_SPLIT_SIZE)));
        }
        catch (NumberFormatException e)
        {
            throw new IOException("PIG_INPUT_SPLIT_SIZE is not a number", e);
        }           
    }

    if (ConfigHelper.getInputInitialAddress(conf) == null)
        throw new IOException("PIG_INPUT_INITIAL_ADDRESS or PIG_INITIAL_ADDRESS environment variable not set");
    if (ConfigHelper.getInputPartitioner(conf) == null)
        throw new IOException("PIG_INPUT_PARTITIONER or PIG_PARTITIONER environment variable not set");
    if (loadSignature == null)
        loadSignature = location;

    initSchema(loadSignature);
}

Example 3

Source File: HiveCassandraStandardColumnInputFormat.java From Hive-Cassandra with Apache License 2.0

4 votes

@Override
public RecordReader<BytesWritable, MapWritable> getRecordReader(InputSplit split,
    JobConf jobConf, final Reporter reporter) throws IOException {
  HiveCassandraStandardSplit cassandraSplit = (HiveCassandraStandardSplit) split;

  List<String> columns = AbstractColumnSerDe.parseColumnMapping(cassandraSplit.getColumnMapping());
  isTransposed = AbstractColumnSerDe.isTransposed(columns);


  List<Integer> readColIDs = ColumnProjectionUtils.getReadColumnIDs(jobConf);

  if (columns.size() < readColIDs.size()) {
    throw new IOException("Cannot read more columns than the given table contains.");
  }

  org.apache.cassandra.hadoop.ColumnFamilySplit cfSplit = cassandraSplit.getSplit();
  Job job = new Job(jobConf);

  TaskAttemptContext tac = new TaskAttemptContext(job.getConfiguration(), new TaskAttemptID()) {
    @Override
    public void progress() {
      reporter.progress();
    }
  };

  SlicePredicate predicate = new SlicePredicate();

  if (isTransposed || readColIDs.size() == columns.size() || readColIDs.size() == 0) {
    SliceRange range = new SliceRange();
    AbstractType comparator = BytesType.instance;

    String comparatorType = jobConf.get(AbstractColumnSerDe.CASSANDRA_SLICE_PREDICATE_RANGE_COMPARATOR);
    if (comparatorType != null && !comparatorType.equals("")) {
      try {
        comparator = TypeParser.parse(comparatorType);
      } catch (Exception ex) {
        throw new IOException("Comparator class not found.");
      }
    }

    String sliceStart = jobConf.get(AbstractColumnSerDe.CASSANDRA_SLICE_PREDICATE_RANGE_START);
    String sliceEnd = jobConf.get(AbstractColumnSerDe.CASSANDRA_SLICE_PREDICATE_RANGE_FINISH);
    String reversed = jobConf.get(AbstractColumnSerDe.CASSANDRA_SLICE_PREDICATE_RANGE_REVERSED);

    range.setStart(comparator.fromString(sliceStart == null ? "" : sliceStart));
    range.setFinish(comparator.fromString(sliceEnd == null ? "" : sliceEnd));
    range.setReversed(reversed == null ? false : reversed.equals("true"));
    range.setCount(cassandraSplit.getSlicePredicateSize());
    predicate.setSlice_range(range);
  } else {
    int iKey = columns.indexOf(AbstractColumnSerDe.CASSANDRA_KEY_COLUMN);
    predicate.setColumn_names(getColumnNames(iKey, columns, readColIDs));
  }


  try {
    ConfigHelper.setInputColumnFamily(tac.getConfiguration(),
        cassandraSplit.getKeyspace(), cassandraSplit.getColumnFamily());

    ConfigHelper.setInputSlicePredicate(tac.getConfiguration(), predicate);
    ConfigHelper.setRangeBatchSize(tac.getConfiguration(), cassandraSplit.getRangeBatchSize());
    ConfigHelper.setInputRpcPort(tac.getConfiguration(), cassandraSplit.getPort() + "");
    ConfigHelper.setInputInitialAddress(tac.getConfiguration(), cassandraSplit.getHost());
    ConfigHelper.setInputPartitioner(tac.getConfiguration(), cassandraSplit.getPartitioner());
    // Set Split Size
    ConfigHelper.setInputSplitSize(tac.getConfiguration(), cassandraSplit.getSplitSize());

    CassandraHiveRecordReader rr = null;

    if(isTransposed && tac.getConfiguration().getBoolean(AbstractColumnSerDe.CASSANDRA_ENABLE_WIDEROW_ITERATOR, true)) {
      rr = new CassandraHiveRecordReader(new ColumnFamilyWideRowRecordReader(), isTransposed);
    } else {
      rr = new CassandraHiveRecordReader(new ColumnFamilyRecordReader(), isTransposed);
    }
    rr.initialize(cfSplit, tac);

    return rr;

  } catch (Exception ie) {
    throw new IOException(ie);
  }
}

Example 4

Source File: HiveCassandraStandardColumnInputFormat.java From Hive-Cassandra with Apache License 2.0

4 votes

@Override
public InputSplit[] getSplits(JobConf jobConf, int numSplits) throws IOException {
  String ks = jobConf.get(AbstractColumnSerDe.CASSANDRA_KEYSPACE_NAME);
  String cf = jobConf.get(AbstractColumnSerDe.CASSANDRA_CF_NAME);
  int slicePredicateSize = jobConf.getInt(AbstractColumnSerDe.CASSANDRA_SLICE_PREDICATE_SIZE,
      AbstractColumnSerDe.DEFAULT_SLICE_PREDICATE_SIZE);
  int sliceRangeSize = jobConf.getInt(
      AbstractColumnSerDe.CASSANDRA_RANGE_BATCH_SIZE,
      AbstractColumnSerDe.DEFAULT_RANGE_BATCH_SIZE);
  int splitSize = jobConf.getInt(
      AbstractColumnSerDe.CASSANDRA_SPLIT_SIZE,
      AbstractColumnSerDe.DEFAULT_SPLIT_SIZE);
  String cassandraColumnMapping = jobConf.get(AbstractColumnSerDe.CASSANDRA_COL_MAPPING);
  int rpcPort = jobConf.getInt(AbstractColumnSerDe.CASSANDRA_PORT, 9160);
  String host = jobConf.get(AbstractColumnSerDe.CASSANDRA_HOST);
  String partitioner = jobConf.get(AbstractColumnSerDe.CASSANDRA_PARTITIONER);

  if (cassandraColumnMapping == null) {
    throw new IOException("cassandra.columns.mapping required for Cassandra Table.");
  }

  SliceRange range = new SliceRange();
  range.setStart(new byte[0]);
  range.setFinish(new byte[0]);
  range.setReversed(false);
  range.setCount(slicePredicateSize);
  SlicePredicate predicate = new SlicePredicate();
  predicate.setSlice_range(range);

  ConfigHelper.setInputRpcPort(jobConf, "" + rpcPort);
  ConfigHelper.setInputInitialAddress(jobConf, host);
  ConfigHelper.setInputPartitioner(jobConf, partitioner);
  ConfigHelper.setInputSlicePredicate(jobConf, predicate);
  ConfigHelper.setInputColumnFamily(jobConf, ks, cf);
  ConfigHelper.setRangeBatchSize(jobConf, sliceRangeSize);
  ConfigHelper.setInputSplitSize(jobConf, splitSize);

  Job job = new Job(jobConf);
  JobContext jobContext = new JobContext(job.getConfiguration(), job.getJobID());

  Path[] tablePaths = FileInputFormat.getInputPaths(jobContext);
  List<org.apache.hadoop.mapreduce.InputSplit> splits = getSplits(jobContext);
  InputSplit[] results = new InputSplit[splits.size()];

  for (int i = 0; i < splits.size(); ++i) {
    HiveCassandraStandardSplit csplit = new HiveCassandraStandardSplit(
        (ColumnFamilySplit) splits.get(i), cassandraColumnMapping, tablePaths[0]);
    csplit.setKeyspace(ks);
    csplit.setColumnFamily(cf);
    csplit.setRangeBatchSize(sliceRangeSize);
    csplit.setSplitSize(splitSize);
    csplit.setHost(host);
    csplit.setPort(rpcPort);
    csplit.setSlicePredicateSize(slicePredicateSize);
    csplit.setPartitioner(partitioner);
    csplit.setColumnMapping(cassandraColumnMapping);
    results[i] = csplit;
  }
  return results;
}