On Thu, Sep 11, 2025 at 5:46 PM Andres Freund <[email protected]> wrote: > The problem leading to that is that we are currently synchronously waiting for > IO on a buffer when AsyncReadBuffers() encounters a buffer already undergoing > IO. If a block is read twice, that means we won't actually have enough IOs in > flight to have good performance. What's worse, currently the wait is not > attributed to IO wait (since we're waiting in WaitIO, rather than waiting for > IO).
This patch no longer cleanly applies. Can you post a new version? Thanks -- Peter Geoghegan
