linrrzqqq opened a new pull request, #64593:
URL: https://github.com/apache/doris/pull/64593

   ### Release note
   
   Optimize `percentile_reservoir` aggregation performance by reducing per-row 
aggregate function overhead and using faster internal sorting for reservoir 
samples.
   
   before:
   ```sql
   
   
   ```
   
   now:
   ```sql
   Doris> select percentile_reservoir(FUniqID, 0.9999) from hits_100m;
   +---------------------------------------+
   | percentile_reservoir(FUniqID, 0.9999) |
   +---------------------------------------+
   |                 9.220848815956797e+18 |
   +---------------------------------------+
   1 row in set (0.537 sec)
   ```
   
   


-- 
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]

Reply via email to