Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qlvIB-004t1a-CD for pgsql-hackers@arkaria.postgresql.org; Thu, 28 Sep 2023 17:59:15 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1qlvIA-00F5ta-0H for pgsql-hackers@arkaria.postgresql.org; Thu, 28 Sep 2023 17:59:14 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qlvI9-00F5t6-LZ for pgsql-hackers@lists.postgresql.org; Thu, 28 Sep 2023 17:59:13 +0000 Received: from smtp.burggraben.net ([88.198.69.140]) by magus.postgresql.org with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qlvI6-0088Ov-EX for pgsql-hackers@lists.postgresql.org; Thu, 28 Sep 2023 17:59:13 +0000 Received: from elch.exwg.net (elch.exwg.net [IPv6:2001:470:7120:1:127b:44ff:fe4f:148d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "elch.exwg.net", Issuer "R3" (not verified)) by smtp.burggraben.net (Postfix) with ESMTPS id 3794DC0030C; Thu, 28 Sep 2023 19:59:09 +0200 (CEST) Received: by elch.exwg.net (Postfix, from userid 1000) id B442D3AB06; Thu, 28 Sep 2023 19:59:08 +0200 (CEST) Date: Thu, 28 Sep 2023 19:59:08 +0200 From: Christoph Moench-Tegeder To: Fabrice Chapuis Cc: PostgreSQL Hackers Subject: Re: wal recycling problem Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/2.2.12 (2023-09-09) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk ## Fabrice Chapuis (fabrice636861@gmail.com): > We have a cluster of 2 members (1 primary and 1 standby) with Postgres > version 14.9 and 2 barman server, slots are only configured for barman, > barman is version 3.7. The obvious question here is: can both of those barmans keep up with your database, or are you seeing WAL retention due to exactly these replication slots? (Check pg_replication_slots). Regards, Christoph -- Spare Space