卢卡斯·菲特尔:等待Postgres 18:通过异步I/O加速磁盘读取
With the Postgres 18 Beta 1 release this week a multi-year effort, and significant architectural shift in Postgres is taking shape: Asynchronous I/O (AIO). These capabilities are still under...
Postgres 18 Beta 1引入异步I/O(AIO),显著提升云环境中的性能。AIO支持并发读取,降低延迟,优化I/O效率。新配置参数io_method可选择worker和io_uring选项。基准测试显示,AIO在读取密集型工作负载中吞吐量提高2-3倍。
