@Override
public void open(Map map, TopologyContext tc, SpoutOutputCollector collector) {
super.open(map, tc, collector);
try {
_fileSection = tc.getThisTaskIndex();
_reader = new SerializableFileInputStream(new File(_inputPath), 1 * 1024 * 1024,
_fileSection, _fileParts);
} catch (final Exception e) {
final String error = MyUtilities.getStackTrace(e);
LOG.info(error);