if (storageConfList == null || storageConfList.isEmpty()) {
s_logger.error("No writer is defined in job configuration or there are some errors in writer configuration");
return JobStatus.FAILED.getStatus();
}
int writerNum = jobConf.getWriterNum();
StorageManager storageManager = new StorageManager(storageConfList);
monitorManager = new MonitorManager(writerNum);
monitorManager.setStorageManager(storageManager);
// get job conf and start reader & writer
JobPluginConf readerConf = jobConf.getReaderConf();