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hadoop 0.20 中的 JvmManager 处理任务,它运行它们并在必要时杀死它们。
我的问题是,这个 JvmManager 是否与这个任务驻留在同一台机器上,原因是,我想使用任务的 pid 从这个 JvmManager 运行系统命令。
My question is, does this JvmManager reside on the same machine as this task, the reason is, I want to run a system command from this JvmManager using the pid of the task.
是的