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default_container_executor.sh #!/bin/bash /bin/bash "/tmp/hadoop-yarn/nm-local-dir/usercache/hive/appcache/application_1631589808308_0023/container_e2 阅读全文
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LearnerHandler There will be an instance of this class created by the Leader for each learner. All communication with a learner is handled by this cla 阅读全文
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Tez相关类 AMNodeImpl .addTransition(AMNodeState.ACTIVE, AMNodeState.UNHEALTHY, AMNodeEventType.N_TURNED_UNHEALTHY, new NodeTurnedUnhealthyTransition()) N 阅读全文
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Transform 查询优化的基类，优化过程通过子类重写transform(ParseContext pctx)函数实现。 /** * Optimizer interface. All the rule-based optimizations implement this * interface. 阅读全文
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DriverState 本线程的Driver的状态机，同时包含可重入锁 /** * Represents the driver's state. Also has mechanism for locking for the time of state transitions. */ public c 阅读全文