Waiting for Postgres 18: Accelerating Disk Reads with Asynchronous I/O
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 active development, but they represent a fundamental change in how Postgres handles I/O, offering the potential for significant performance gains, particularly in cloud environments where latency is often the bottleneck.
Why asynchronous I/O matters
How Postgres 17’s read streams paved the way
New io_method ...
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