Kikyou1997 opened a new pull request, #10615: URL: https://github.com/apache/doris/pull/10615
# Proposed changes As we don't do column prune on the olap scan, there always serialize a lot of uneccesary column in multi BE scenes which cause a huge impact on the performance. ## Problem Summary: Env: 1FE 3BE Data Size: 1G We use tpch q13 as example: before time cost: 0.99 0.95 0.98 1.11 1.04 after this commit: 0.74 0.67 0.71 0.74 0.68 ## Checklist(Required) 1. Does it affect the original behavior: (No) 2. Has unit tests been added: (No) 3. Has document been added or modified: (No Need) 4. Does it need to update dependencies: (No) 5. Are there any changes that cannot be rolled back: (No) ## Further comments If this is a relatively large or complex change, kick off the discussion at [d...@doris.apache.org](mailto:d...@doris.apache.org) 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: commits-unsubscr...@doris.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org
