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Posted to commits@doris.apache.org by "englefly (via GitHub)" <gi...@apache.org> on 2023/04/17 09:34:46 UTC
[GitHub] [doris] englefly opened a new pull request, #18744: [tpch](nereids) estimate broadcast cost and shuffle cost
englefly opened a new pull request, #18744:
URL: https://github.com/apache/doris/pull/18744
# Proposed changes
We need the sender and receiver number to estimate the cost broadcast and shuffle.
But we do not have these numbers under current framework.
So we assume the sender number is equal to the receiver number. And then we estimate the cost of sender as the cost of distribute node.
Issue Number: close #xxx
## Problem summary
Describe your changes.
## 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 [dev@doris.apache.org](mailto:dev@doris.apache.org) by explaining why you chose the solution you did and what alternatives you considered, etc...
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[GitHub] [doris] englefly commented on pull request #18744: [tpch](nereids) estimate broadcast cost
Posted by "englefly (via GitHub)" <gi...@apache.org>.
englefly commented on PR #18744:
URL: https://github.com/apache/doris/pull/18744#issuecomment-1512387837
run buildall
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[GitHub] [doris] github-actions[bot] commented on pull request #18744: [opt](nereids) estimate broadcast cost
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #18744:
URL: https://github.com/apache/doris/pull/18744#issuecomment-1514106607
PR approved by anyone and no changes requested.
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[GitHub] [doris] morrySnow merged pull request #18744: [opt](nereids) estimate broadcast cost
Posted by "morrySnow (via GitHub)" <gi...@apache.org>.
morrySnow merged PR #18744:
URL: https://github.com/apache/doris/pull/18744
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[GitHub] [doris] github-actions[bot] commented on pull request #18744: [opt](nereids) estimate broadcast cost
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #18744:
URL: https://github.com/apache/doris/pull/18744#issuecomment-1514106584
PR approved by at least one committer and no changes requested.
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[GitHub] [doris] englefly commented on pull request #18744: [tpch](nereids) estimate broadcast cost and shuffle cost
Posted by "englefly (via GitHub)" <gi...@apache.org>.
englefly commented on PR #18744:
URL: https://github.com/apache/doris/pull/18744#issuecomment-1511041797
run buildall
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