About asynchronous I/O

From: ek ek <livadidrive(at)gmail(dot)com>
To: Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org>
Subject: About asynchronous I/O
Date: 2026-06-23 07:55:22
Message-ID: CALAkhNX_6OttLJa7X+0wA7vx+wVCUMHjNcgg+2fjw=_Z3CXTKg@mail.gmail.com
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Hello everyone,
Are any of you running PostgreSQL 18 on production environments sized
between 1 to 3TB? Does the 'asynchronous I/O (AIO) subsystem' deliver a
significant performance increase? Also, has anyone had the opportunity to
benchmark it against v17?

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