zhu_19930414的博客

由于我这个是分区表，表也比较大，在做表的备份，把数据拷贝到另外一张表。拷贝的过程是: insert overwrite table as select * from table1ERROR：[Fatal Error] total number of created files now is 100043, which exceeds 100000. Killing the job解决:sql 后面加distributeby dt ，原理是让insert sql产生reduce过程，从...