Re: pgsql: Increase BAS_BULKREAD based on effective_io_concurrency - Mailing list pgsql-committers

From Frédéric Yhuel
Subject Re: pgsql: Increase BAS_BULKREAD based on effective_io_concurrency
Date
Msg-id cbcbeab4-0664-4c14-8245-79262b38029a@dalibo.com
Whole thread Raw
In response to pgsql: Increase BAS_BULKREAD based on effective_io_concurrency  (Andres Freund <andres@anarazel.de>)
List pgsql-committers

Le 08/04/2025 à 08:52, Andres Freund a écrit :
> Increase BAS_BULKREAD based on effective_io_concurrency
> 
> Before, BAS_BULKREAD was always of size 256kB. With the default
> io_combine_limit of 16, that only allowed 1-2 IOs to be in flight -
> insufficient even on very low latency storage.

Hi,

I think that backend/storage/buffer/README should be updated to reflect 
this change.

Unfortunately, I don't understand the subject well enough to propose a 
patch, even though it would probably just involve copying and pasting 
your comments into the README.



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