[GitHub] [druid] Maplejw commented on issue #13264: use thetaSketch when index hadoop , a little mertic of thetaSketch values is null. So I can not upgrade druid from 0.20.2 to 24.0

[GitBox <gi...@apache.org>]

Maplejw commented on issue #13264:
URL: https://github.com/apache/druid/issues/13264#issuecomment-1291757197

   > Hi - what is your order of upgrade? can you try upgrading historicals first before the broker and see if that resolves the issue?
   Thank you for your answer.
   To use prometheus-emitter,it supports 0.22.0 Minimum version.
   Ok,I try to upgrade historicals first.
   But I still  have a question,why the device_id_sketch is null,but device_id is not null?


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