RE: Errors of a Postgresql replication with PowerBi

Hi Erik,

I’m not an expert on Postgres, but I found out that configuration tuning needed on the Postgresql server, like shared_buffers, work mem etc.
And from the logs you’ve provided I’ve seen it like the replica server has failed somehow, check connection and need to check if it’s alive from the primary server like

select * from pg_stat_replication_slots;
select * from pg_replication_slots;

And better to check if the replica has error log on it.

Sincerely,

Mendbayar A.

From: Erik Serrano <eserranos(at)gmail(dot)com>
Sent: Tuesday, February 11, 2025 5:11 AM
To: Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org>; pgadmin-support(at)lists(dot)postgresql(dot)org
Subject: Errors of a Postgresql replication with PowerBi

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Dear Postgresql community,

Along with greetings, I would like to consult a problem related to a streaming replication slave server in Postgresql version 15 that is being used as a server for PowerBi queries.

I have been receiving some comments about errors in PBi queries that fail because they have problems with replication.

The configuration of that server is basic (it has some additional parameters) but I think that some additional configuration can be done that allows me to improve the performance of the queries.

I attach the errors that normally appear to me and my configuration file.

I hope you can help me or guide me in a possible solution
Thank you very much in advance

Regards

Erik R. Serrano Saavedra
Data Base Administrator