hrishikeshk opened a new issue #10344:
URL: https://github.com/apache/druid/issues/10344


   ### Description
   Simply have Group By V2 use the Query/Result level cacheif it is enabled at 
Broker. I did not see a reason why it does not (it is documented alright). 
After all, Group By V1 benefits from it.
   
   ### Motivation
   I  have a number of Group By queries and using Group By V2 because it is 
indeed faster than V1 (10 sec in V2 versus 28 sec in V1).
   If I use segment level caching (at Historicals), the benefit is not as much. 
Timings reduce to 8 sec in V2.
   However, we have many repeated queries and data loads do not interfere. 
Result level caching has potential to bring down query time to 1 sec.
   


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