jihoonson commented on issue #8578: parallel broker merges on fork join pool
URL: https://github.com/apache/incubator-druid/pull/8578#issuecomment-548609739
 
 
   Thank you for the detailed benchmark results! It looks great but I wonder 
how the default configuration works under more realistic load. For example, it 
would be more realistic if there are like 80% of light queries and 20% of heavy 
queries that have a shorter delay and a larger delay, respectively.
   
   > I think the performance degradation under load spikes falls within what I 
consider acceptable range. Particularly important, I find the degradation to be 
relatively predictable so that we can update the cluster tuning guide (in a 
future PR) to best advise how to tune your brokers for a given cluster size and 
load pattern.
   
   Sounds nice. 

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