zyp-V commented on PR #67649:
URL: https://github.com/apache/doris/pull/67649#issuecomment-5882986548

   > 点查两阶段,如果第一阶段查key 的时候已经放到 segment cahce 
中了,那么第二阶段大概率是命中的,感觉没省多少,需要具体的benchmark 来说明优化
   
   这个不是优化 cache 没命中的场景, 这里优化的是省一次 load segments, 因为点差高并发下特别是热 key 查询, load 
segments 会锁冲突很严重; 我们线上验证 cpu 可以优化 30% +;  
   


-- 
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]

Reply via email to