Yarn默认配置

https://hadoop.apache.org/docs/r3.2.2/hadoop-yarn/hadoop-yarn-common/yarn-default.xml

https://hadoop.apache.org/docs/r2.4.1/hadoop-yarn/hadoop-yarn-common/yarn-default.xml

配置	说明
yarn.nodemanager.resource.cpu-vcores	修改每台taskmanager可用核数
yarn.scheduler.maximum-allocation-mb	Yarn每隔节点可以使用的内存