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[pipelineX](localshuffle) Adjust local exchange strategy for distinct streaming agg #32767
Conversation
Thank you for your contribution to Apache Doris. Since 2024-03-18, the Document has been moved to doris-website. |
run buildall |
clang-tidy review says "All clean, LGTM! 👍" |
TeamCity be ut coverage result: |
TPC-H: Total hot run time: 38126 ms
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TPC-DS: Total hot run time: 181374 ms
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Load test result on machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
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PR approved by anyone and no changes requested. |
PR approved by at least one committer and no changes requested. |
… streaming agg (#32767) Adjust local exchange strategy for distinct streaming agg
Proposed changes
For preagg, data can be passthrough through local exchange which has lower overhead
Further comments
If this is a relatively large or complex change, kick off the discussion at [email protected] by explaining why you chose the solution you did and what alternatives you considered, etc...