gitccl commented on PR #19389: URL: https://github.com/apache/doris/pull/19389#issuecomment-1545397112
> This may have a large performance decrease. In this case, it means the block is allocated by scanner thread and used by fragment thread or released by fragment thread. In jemalloc, it will track the arena the memory is allocated from and it has to return the memory to the arena again when release. Every thread is bond to an arena. There will be lock or condition competition。 It seems that there is no performance loss in ssb flat test. I pasted the test result above. -- 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
