wangbo opened a new pull request, #18306: URL: https://github.com/apache/doris/pull/18306
# Proposed changes If we keep ScannerCtx Schedule Thread Group exsits(maybe we can delete it later) currently, we'd better keep the same logic with non-pipeline engine for rescheduling ScannerCtx(that means only resubmit ScannerCtx for getting block or a scanner finished), this can reduce scannnerCtx scheduling times. Before: ``` ScannerCtxSchedCount: 268.48K (268480) ``` After ``` ScannerCtxSchedCount: 10.105K (10105) ``` ## Performance Rollback Test ckbench ``` before(non-pipline engine) c8: 38.39/35.51/35.51 (total time costs) c16: 26.29/23.39/23.31 after c8: 39.57/35.39/36.34 c16: 27.33/23.84/23.83 ``` ## 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 [[email protected]](mailto:[email protected]) 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
