Kylin 4.0 error in the first step of building cube

[washyou112]

Hello, I have a problem that I can't solve, when I put multiple tables with the 
merger in Hive and build Model and Cube in Kylin, but when I try to put Join 
process in Kylin and then in partition table Build Model and Cube, the same 
indicator query speed will have a time difference of 1 second to 2 seconds, can 
this happen?