如:
python ${ReportDailyPyFile} ${pystr} --jobconf mapreduce.job.priority=VERY_HIGH --jobconf mapred.map.tasks=20 --jobconf mapred.reduce.tasks=5 >> ${sequencelog} 2>&1
hadoop任务调度优先级:--jobconf mapreduce.job.priority=VERY_HIGH
map reduce 个数限制 --jobconf mapred.map.tasks=20 --jobconf mapred.reduce.tasks=5