englefly opened a new pull request, #10397: URL: https://github.com/apache/doris/pull/10397
# Proposed changes SegmentIterator adjust the row number of a batch according to the row bytes and max_block_size(64M). The default row number of a batch is 4096, which is not friendly for big-wide table. 5 concurrent execution of "insert into big_wide-table select...", mem peak decreased from 44G to 33G with the same speed. Issue Number: close #xxx ## 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 [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
