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From: Luca Ferrari <[email protected]>
To: [email protected]
Subject: doubt about backend max_connections
Date: Mon, 9 Feb 2026 10:52:03 +0100
Message-ID: <CAKoxK+5B1GvxxYr6FatRq6VWi_4XM3NJxumQ+LYpEwFc-ekOmA@mail.gmail.com> (raw)

Hi all,
I've a doubt about configuring max_pool and num_init_children and,
subsequently, PostgreSQL max_connections.
In <https://www.pgpool.net/docs/46/en/html/runtime-config-connection-pooling.html;
there is this sentence "Please be aware that the number of connections
from Pgpool-II processes to the backends may reach num_init_children *
max_pool in total. "      regarding max_pool.
Now, my doubt is: does this apply to all the backends (i.e., every
backend will receive a max_pool * num_init_children connections or
dows it apply "cluster wise", so every node will receive
num_init_childre * max_pool * num_of_backends_in_pgpool?
Seems to me the former, but I want to be sure.

Thansk,
Luca

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