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aspirer avatar aspirer commented on May 27, 2024

暂时没有,之前测试过,发现性能提升不大,可能跟我们架构或者ext4的用法有关。如果你感兴趣的话可以做一些demo测试。

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yunwoniu avatar yunwoniu commented on May 27, 2024

image

我在裸盘上用fio测试过,测试结果https://note.youdao.com/s/NqBulfsD
使用-sqthread_poll=1 ,对性能的提升还是比aio强的,你这边的测试具体是怎么测试的?@aspirer

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aspirer avatar aspirer commented on May 27, 2024

我们是基于chunkserver+client整体测试的集群效果,发现瓶颈不在于读写ext4中的chunkfile所用的方式,io_uring是比aio有一定的提升(我印象中是5~10%),但涉及到IO操作流程的修改较多,并且主要瓶颈不在这块,就没有实际开发。

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