<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[nick_YL的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/nick_YL</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; nick_YL]]></copyright><item><title><![CDATA[hive运行错误Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapredLocalTask]]></title><link>https://blog.youkuaiyun.com/nick_YL/article/details/78712023</link><guid>https://blog.youkuaiyun.com/nick_YL/article/details/78712023</guid><author>nick_YL</author><pubDate>Mon, 04 Dec 2017 18:49:33 +0800</pubDate><description><![CDATA[在hive执行脚本的时候报的错误
解决办法：
关闭map端join：set hive.auto.convert.join=false;
设置reduce个数：set mapred.reduce.tasks=6;
设置这两个参数后就可以了，亲测可行！！！]]></description><category></category></item></channel></rss>