jacktengg opened a new pull request, #19847: URL: https://github.com/apache/doris/pull/19847
# Proposed changes Issue Number: close #xxx ## Problem summary For broadcast join, only one build fragment instance will build hash table, other fragment instances just receive and throw away build side data, this is waste of memory and cpu. This PR improve this condition, data stream receiver tells sender that it does not need data from sender, and sender stops sending anydata to it. ## Checklist(Required) * [ ] Does it affect the original behavior * [ ] Has unit tests been added * [ ] Has document been added or modified * [ ] Does it need to update dependencies * [ ] Is this PR support rollback (If NO, please explain WHY) ## 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