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 1oDMNi-0005NO-39 for pgsql-admin@arkaria.postgresql.org; Mon, 18 Jul 2022 08:45:34 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1oDMNh-0002rt-0D for pgsql-admin@arkaria.postgresql.org; Mon, 18 Jul 2022 08:45:33 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oDMNg-0002rk-MO for pgsql-admin@lists.postgresql.org; Mon, 18 Jul 2022 08:45:32 +0000 Received: from mail.am-soft.de ([157.90.39.210]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oDMNe-0005pT-3S for pgsql-admin@lists.postgresql.org; Mon, 18 Jul 2022 08:45:31 +0000 Received: from mail.am-soft.de (localhost [127.0.0.1]) by mail.am-soft.de (Postfix) with ESMTP id 2A11F511F3F7; Mon, 18 Jul 2022 10:45:28 +0200 (CEST) Received: from bit02ex.bitstoregruppe.local (exchange01.bitstore.group [116.202.141.225]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by mail.am-soft.de (Postfix) with ESMTPSA id 239BD511F3F5 for ; Mon, 18 Jul 2022 10:45:28 +0200 (CEST) Received: from tschoening-nb.fritz.box (77.78.163.99) by bit02ex.bitstoregruppe.local (192.168.254.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 18 Jul 2022 10:44:03 +0200 Date: Mon, 18 Jul 2022 10:45:18 +0200 From: =?utf-8?Q?Thorsten_Sch=C3=B6ning?= Organization: AM-SoFT IT-Service - Bitstore Hameln GmbH Message-ID: <281927359.20220718104518@am-soft.de> To: Pgsql-admin Subject: Re: Does VACUUMLO result in lots of writes in the file system? In-Reply-To: <83405677.20220718101443@am-soft.de> References: <83405677.20220718101443@am-soft.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [77.78.163.99] X-ClientProxiedBy: bit02ex.bitstoregruppe.local (192.168.254.21) To bit02ex.bitstoregruppe.local (192.168.254.21) X-C2ProcessedOrg: 0ff26194-4f6a-446b-ba8c-65299b4f97ea X-AV-Checked: ClamAV using ClamSMTP List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Guten Tag Thorsten Sch=C3=B6ning, am Montag, 18. Juli 2022 um 10:14 schrieben Sie: > Any further ideas? Thanks! During some additional debugging, I see the following: > pg_largeobject 285 GB > pg_largeobject_loid_pn_index 4628 MB Might it be that this index is completely rewritten when deleting LOs? This might easily sum up in my case. Claimed storage for all other tables is far less: > elrev_schriftsaetze 115 MB > pg_toast_6166080 105 MB > elrev_protokoll 78 MB > elrev_statistik 52 MB > elrev_zugrifflog 46 MB > pg_largeobject_metadata 15 MB > label_dokument 15 MB > pg_largeobject_metadata_oid_index 13 MB > elrev_protokoll_pkey 13 MB > elrev_protokoll_nummer_key 13 MB Mit freundlichen Gr=C3=BC=C3=9Fen Thorsten Sch=C3=B6ning --=20 AM-SoFT IT-Service - Bitstore Hameln GmbH Mitglied der Bitstore Gruppe - Ihr Full-Service-Dienstleister f=C3=BCr IT u= nd TK E-Mail: Thorsten.Schoening@AM-SoFT.de Web: http://www.AM-SoFT.de/ Tel: 05151- 9468- 0 Tel: 05151- 9468-55 Mobil: 0178-8 9468-04 AM-SoFT IT-Service - Bitstore Hameln GmbH, Brandenburger Str. 7c, 31789 Ham= eln AG Hannover HRB 221853 - Gesch=C3=A4ftsf=C3=BChrer: Janine Galonska F=C3=BCr R=C3=BCckfragen stehe ich Ihnen jederzeit zur Verf=C3=BCgung.=20 Mit freundlichen Gr=C3=BC=C3=9Fen,=20 Thorsten Sch=C3=B6ning Telefon: +49 (0)515 94 68 - 0 Fax:=20 E-Mail: TSchoening@am-soft.de AM-Soft IT-Service - Bitstore Hameln GmbH Brandenburger Stra=C3=9Fe 7c 31789 Hameln Diese E-Mail enth=C3=A4lt vertrauliche und/oder rechtlich gesch=C3=BCtzte I= nformationen und ist ausschliesslich f=C3=BCr den Adressaten bestimmt. 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