BiteTheDDDDt opened a new pull request, #22216:
URL: https://github.com/apache/doris/pull/22216
## Proposed changes
```sql
select count(1) from (
select ss_customer_sk customer_sk
,ss_item_sk item_sk
from store_sales,date_dim
where ss_sold_date_sk = d_date_sk
and d_month_seq between 1199 and 1199 + 11 and ss_sold_date_sk IS NOT NULL
group by ss_customer_sk
,ss_item_sk
) a;
```
```
uint256 original
12.27 sec
- HashTableInputCount: 55.286154M (55286154)
- HashTableIterateTime: 347.592ms
- HashTableSize: 54.116764M (54116764)
- InsertKeysToColumnTime: 1s79ms
- MaxRowSizeInBytes: 0
- MemoryUsage:
- HashTable: 2.50 GB
- SerializeKeyArena: 1.63 GB
- MergeTime: 0ns
- PeakMemoryUsage: 4.13 GB
stringref
17.81 sec
- HashTableInputCount: 55.285529M (55285529)
- HashTableIterateTime: 222.769ms
- HashTableSize: 54.116764M (54116764)
- InsertKeysToColumnTime: 340.796ms
- MaxRowSizeInBytes: 17
- MemoryUsage:
- HashTable: 1.50 GB
- SerializeKeyArena: 1.76 GB
- MergeTime: 0ns
- PeakMemoryUsage: 3.26 GB
uint256 opt
11.20 sec
- HashTableInputCount: 55.285554M (55285554)
- HashTableIterateTime: 278.187ms
- HashTableSize: 54.116764M (54116764)
- InsertKeysToColumnTime: 467.894ms
- MaxRowSizeInBytes: 0
- MemoryUsage:
- HashTable: 2.50 GB
- SerializeKeyArena: 1.63 GB
- MergeTime: 0ns
- PeakMemoryUsage: 4.13 GB
```
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[[email protected]](mailto:[email protected]) by explaining why you
chose the solution you did and what alternatives you considered, etc...
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
