You are viewing a plain text version of this content. The canonical link for it is here.

Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2021/11/29 02:33:00 UTC

[GitHub] [incubator-doris] EmmyMiao87 commented on issue #7212: [Observation] TPC-H Q17、Q18优化调研：关联子查询和非关联子查询优化

EmmyMiao87 commented on issue #7212:
URL: https://github.com/apache/incubator-doris/issues/7212#issuecomment-981237887


   这个查询规划如果顶层 join 改为shuffle 后，不是会传输更多的数据？为何从 broadcast 改为shuffle 后反而效率变高了？


-- 
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-unsubscribe@doris.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org



---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For additional commands, e-mail: commits-help@doris.apache.org