yinzhijian opened a new pull request #7994: URL: https://github.com/apache/incubator-doris/pull/7994
# Proposed changes Issue Number: close #7581 ## Problem Summary: Support thread pool per disk for scanners to prevent pool performance from some high ioutil disks happening key point: 1. each disk has a thread pool for scanners 2. whenever a thread pool of one disk runs out of local work, tasks can be retrieved from other threads(disks). This is done round-robin. performance testing: vec version: 25% faster than single thread pool in a high io util disk test case normal version: 8% faster than single thread pool in a high io util disk test case ## Checklist(Required) 1. Does it affect the original behavior: (No) 2. Has unit tests been added: (No) 3. Has document been added or modified: (No) 4. Does it need to update dependencies: (No) 5. Are there any changes that cannot be rolled back: (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
