Jimmy Feng

For ranking task, I think the library should make sure the records with the same group column go to the same task, otherwise it will impact the model performance as...

> Hi @jinmfeng001 , thank you for working on the ranking implementation (and other JVM package issues). I will look into this after 2.0 is released. Please note that we...

> The PR is in review. BTW, would you like to take a look at it? #10639 Thank you for your response. The PR #10639 is a redesign work taking...

> @jinmfeng Could you please share how many query groups and how many workers are you working with? In addition, could you please share the approximate size of each groups...

> Based on my understanding of #6713 , it's basically every group got split into multiple workers, instead of some unlucky groups sitting at the boundaries of the workers. Am...