private void updateMapRedTaskWebUIStatistics(MapRedStats mapRedStats, RunningJob rj) {
    if (task instanceof MapRedTask) {
      ((MapRedTask) task).updateWebUiStats(mapRedStats, rj);
    }
  }
In Hive, when the user control-c's the command line, any running jobs spawned from that command
line are best-effort killed.

This static constructor registers a shutdown thread to iterate over all the running job kill
URLs and do a get on them.
ql/src/java/org/apache/hadoop/hive/ql/exec/mr/HadoopJobExecHelper.java