924060929 commented on PR #31970:
URL: https://github.com/apache/doris/pull/31970#issuecomment-1985045993
> Any performance data?
100 threads parallel continuous send this sql which query an empty table
```sql
select count(1),date_format(time_col,'%Y%m%d'),varchar_col1
from tbl
where partition_date>'2024-02-15' and (varchar_col2 ='73130' or
varchar_col3='73130') and time_col>'2024-03-04'
and time_col<'2024-03-05'
group by date_format(time_col,'%Y%m%d'),varchar_col1
order by date_format(time_col,'%Y%m%d') desc, varchar_col1 desc,count(1) asc
limit 1000
```
before: 1600 peak QPS, about 1300 avg QPS
after: 3100 peak QPS, about 2700 avg QPS
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