FileStatus status = fs.getFileStatus(dataFile);
LOG.info("File size: " + status.getLen());
}
appender = StorageManagerFactory.getStorageManager(context.getConf()).getAppender(meta, outSchema, dataFile);
appender.enableStats();
appender.init();
appenderMap.put(partition, appender);
} else {
appender = appenderMap.get(partition);
}