You can refer to this blog, but i'm afraid there is only a chinese version and you cloud translate it to English
Hive升级全姿势 | Haihua's blog (ericsahit.github.io) <https://ericsahit.github.io/2017/09/10/Hive%E5%8D%87%E7%BA%A7%E5%85%A8%E5%A7%BF%E5%8A%BF/> Battula, Brahma Reddy <bbatt...@visa.com> 于2021年6月10日周四 15:43写道: > Hi All, > > > > We are planning to upgrade the hive from 1.2.1 to 3.1.2, can we get any > best practices ..? > > > > Is any chance to upgrade without down time (if we disable new features > like managed tables)..? > > > > > > Thanks. > > > > > > > -- 王海华