标签:div apr 怎么 reduce text 现在 mapr pre span
MapReduce的默认输出数据的间隔符是制表符,现在想改成逗号间隔,可通过Configuration对象修改
configuration.set("mapred.textoutputformat.ignoreseparator","true");
configuration.set("mapred.textoutputformat.separator",",");
标签:div apr 怎么 reduce text 现在 mapr pre span
原文地址:https://www.cnblogs.com/help-silence/p/12842183.html