englefly opened a new pull request, #9732: URL: https://github.com/apache/incubator-doris/pull/9732
# Proposed changes Initialize hash table size by the tuple number instead of fixed number 1024 to reduce BuildTableExpanseTime. test result: After initialize table size, the total build time decreased by 8.9% on tpch 10G, test sql: select count(*) from lineitem join orders on l_orderkey = o_orderkey ## Problem Summary: Describe the overview of changes. ## Checklist(Required) 1. Does it affect the original behavior: (Yes/No/I Don't know) 2. Has unit tests been added: (Yes/No/No Need) 3. Has document been added or modified: (Yes/No/No Need) 4. Does it need to update dependencies: (Yes/No) 5. Are there any changes that cannot be rolled back: (Yes/No) ## 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]
