[GitHub] [incubator-doris] kangkaisen commented on issue #831: Powerful Improve: parallel scan exec instance

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kangkaisen commented on issue #831: Powerful Improve: parallel scan exec instance
URL: https://github.com/apache/incubator-doris/issues/831#issuecomment-478426887
 
 
   > > If we want to limit the max instances for one BE, I think we could indirectly do this by `parallel_scan_exec_instance_num` config.
   > 
   > I think that `parallel_scan_exec_instance_num` default value should be 1 to make no influence when upgrading cluster.
   
   Yes, I agree with you. set 1 or 0 should both be Ok.
   

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