writeASinkFile(conf, fileSys, DEMUX_INPUT_PATH, LINES);
System.out.println("wrote " +
fileSys.getFileStatus(DEMUX_INPUT_PATH).getLen() + " bytes of temp test data");
long ts_start = System.currentTimeMillis();
runDemux(mr.createJobConf(), DEMUX_INPUT_PATH, DEMUX_OUTPUT_PATH);
long time = (System.currentTimeMillis() - ts_start);
long bytes = fileSys.getContentSummary(DEMUX_OUTPUT_PATH).getLength();
System.out.println("result was " + bytes + " bytes long");
System.out.println("processing took " + time + " milliseconds");