Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ouZS3-0002Dg-OM for pgsql-bugs@arkaria.postgresql.org; Mon, 14 Nov 2022 13:24:40 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1ouZS2-0006KI-Lb for pgsql-bugs@arkaria.postgresql.org; Mon, 14 Nov 2022 13:24:38 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ouZS2-0006K9-B9 for pgsql-bugs@lists.postgresql.org; Mon, 14 Nov 2022 13:24:38 +0000 Received: from lana.depesz.com ([88.198.49.178] helo=depesz.com) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ouZS0-0006MC-IE for pgsql-bugs@postgresql.org; Mon, 14 Nov 2022 13:24:37 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=depesz.com; s=20170201; h=In-Reply-To:Content-Type:MIME-Version:References:Reply-To: Message-ID:Subject:Cc:To:Sender:From:Date:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=hXfCyx2XKL/lST1Pcli+X+7LA5sghems3BPz/EmYSP8=; b=CCybN+wyoyPipxq5qQioB9NppN epAyEkL+irmYyXlscdasH74cqvY7lFlWjKMqElwLHoQMmpqGZypPEt80WMV3ss7WvaAaaQ1R5mGkN GXnhhyKj3tXbox7JCmbecsPDkBA9f3e5xNYecc6+htN11alv8CxZf3BqVCDvmR2BJiBI=; Received: from depesz by depesz.com with local (Exim 4.94.2) (envelope-from ) id 1ouZRy-007x1T-NN; Mon, 14 Nov 2022 14:24:34 +0100 Date: Mon, 14 Nov 2022 14:24:34 +0100 From: hubert depesz lubaczewski Sender: depesz@depesz.com To: Amit Kapila Cc: pgsql-bugs mailing list Subject: Re: WAL segments removed from primary despite the fact that logical replication slot needs it. Message-ID: Reply-To: depesz@depesz.com References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Mon, Nov 14, 2022 at 06:41:59PM +0530, Amit Kapila wrote: > From the last two lines above, it is clear why it started working. The > restart_lsn has advanced from 1039D/83825958 to 1039D/9170B010 which > means the system no longer needs data from 000000010001039D00000083. Sure, but how could it advance if the wal wasn't there? Best regards, depesz