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只为Hadoop工作产出重新推广
原标题:Turn off replication only for Hadoop job output
  • 时间:2011-11-08 20:16:27
  •  标签:
  • hadoop

是否有办法确定具体地图表产出的复制系数不同于其他组别(分析1)? 我与我的主要数据组一样,是3x复制件(目前的情况),但我的一些工作产出很快走出了分组,最终被删除,因此不需要复制,我可以利用这个空间。

我可以使用setrep,但我认为我只能在此事实之后这样做。

最佳回答

当你上载档案时,你可以通过通过绕过《综合安全法》的缺省复制系数来推翻这一因素。

-D dfs.replication=1

当你援引职务时,这也应奏效。

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