eldenmoon opened a new pull request, #20037: URL: https://github.com/apache/doris/pull/20037
… and Schema When the system is under high-concurrency load with wide table point queries, the frequent memory allocation and deallocation of SegmentIterator become evident system bottlenecks. Additionally, the initialization of TabletSchema and Schema also becomes a CPU hotspot.Therefore, the introduction of a ResourcePool is implemented to cache these resources for reuse. Performance: | 状态 | QPS | 平均响应时间 (avg) | P99 响应时间 | |------------------|-----|------------------|-------------| | 开启 ResourcePool | 651 | 35ms | 63ms | | 关闭 ResourcePool | 311 | 62ms | 91ms | # Proposed changes Issue Number: close #xxx ## Problem summary Describe your changes. ## Checklist(Required) * [ ] Does it affect the original behavior * [ ] Has unit tests been added * [ ] Has document been added or modified * [ ] Does it need to update dependencies * [ ] Is this PR support rollback (If NO, please explain WHY) ## 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]
