[MapReduce]Apache Hadoop 2.2.0MapReduce1.x向2.x迁徙[翻译]

[MapReduce]Apache Hadoop 2.2.0MapReduce1.x向2.x迁移[翻译]propertynamemapreduce.job.user.classpa

[MapReduce]Apache Hadoop 2.2.0MapReduce1.x向2.x迁移[翻译]
<property><name>mapreduce.job.user.classpath.first</name><value>true</value></property>

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