hive执行count(*):Stage-1 map = 0%, reduce = 0%_hive查询单表时,map一直为0%-CSDN博客

网站介绍:文章浏览阅读5.7k次。1、问题描述:在hive的shell端执行:select count(*) from student;出现了下面问题(一直卡着):hive> select count(*) from student;WARNING: Hive-on-MR is deprecated in Hive 2 and may not be available in the future versions..._hive查询单表时,map一直为0%