bluestone

Learning without thinking leads to confusion;thinking without learning leads to danger.

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随笔分类 - bigdate

摘要：JobTracker 对应于 NameNodeTaskTracker 对应于 DataNodeDataNode 和NameNode 是针对数据存放来而言的JobTracker和TaskTracker是对于MapReduce执行而言的mapreduce中几个主要概念，mapreduce整体上可以分为这... 阅读全文

posted @ 2014-03-15 15:47 ssatyr 阅读(316) 评论(0) 推荐(0)