[pgpool-general: 9185] reloading of pool_passwd file

[michail alexakis]

Hello PgPool team,

How is the pool_passwd file getting reloaded when its contents have changed
on disk (e.g. when new lines are appended)? Are contents (re)read in each
authentication attempt, or are they reloaded when a change is detected?

My tests show that if I add a new user (which, of course, exists in the
Postgres backend) in pool_passwd, I can then instantly login as the new
user. But, is that behavior guaranteed? (or was I just lucky in my tests?)

I am probably missing something, but the relevant part of the documentation
(
https://www.pgpool.net/docs/latest/en/html/runtime-config-connection.html#GUC-POOL-PASSWD)
does not mention how/when the file is reloaded.

Kind regards, Michail Alexakis
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