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Hadoop Job ��������

hadoop������ ��job���صģ�
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1.�鿴 Job ��Ϣ��
hadoop job -list
2.ɱ�� Job��
hadoop job -kill job_id
3.ָ��·���²鿴��ʷ��־���ܣ�
hadoop job -history output-dir
4.��ҵ�ĸ���ϸ�ڣ�
hadoop job -history all output-dir
5.��ӡmap��reduce���ɰٷֱȺ����м�������
hadoop job -status job_id
6.ɱ�����񡣱�ɱ�������񲻻᲻����ʧ�ܳ��ԣ�
hadoop jab -kill-task <task-id>
7.ʹ����ʧ�ܡ���ʧ�ܵ���������ʧ�ܳ��Բ�����
hadoop job -fail-task <task-id>

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