output.start();
}
/* these are things that goes through singleton initialization on most queries */
FileSystem fs = FileSystem.get(conf);
Mac mac = Mac.getInstance("HmacSHA1");
ReadaheadPool rpool = ReadaheadPool.getInstance();
ShimLoader.getHadoopShims();
URL hiveurl = new URL("jar:"+DagUtils.getInstance().getExecJarPathLocal()+"!/");
JarURLConnection hiveconn = (JarURLConnection)hiveurl.openConnection();
JarFile hivejar = hiveconn.getJarFile();