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Timestamp:
10/19/2012 04:43:34 PM (
14 years
ago)
Author:
liaojiaohe
Comment:
--
Legend:
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schedule
v13
v14
8
8
9
9
mapred.capacity-scheduler.queue.*.user-limit-factor 设置大于1,一个queue可以使用超过本queue设置的100%的资源[[BR]]
10
11
提交任务时增加参数-D mapred.job.priority=HIGH,当queue里面有空闲的map和reduce的slot的时候会优先做,但如果阻塞的job单个map和reduce的时间比较长就没有办法[[BR]]
10
12
11
13
* 如果Capacity Scheduler 不能慢速,修改代码让系统把job分配到不同的queue[[BR]]