yarn资源调度设置

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参考：
https://stackoverflow.com/questions/51704288/deploying-application-with-spark-submit-application-is-added-to-the-scheduler-a

问题：任务提交到yarn的调度器， 但是没有激活

Deploying application with spark-submit: Application is added to the scheduler and is not yet activated

yarn资源调度设置

yarn.scheduler.capacity.maximum-am-resource-percent=0.2 --AM可以占用资源队列的最大百分比