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 1rgzcB-0092Hh-Qm for pgsql-general@arkaria.postgresql.org; Mon, 04 Mar 2024 04:07:48 +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 1rgzcA-003p7n-FC for pgsql-general@arkaria.postgresql.org; Mon, 04 Mar 2024 04:07:46 +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 1rgzcA-003p7e-01 for pgsql-general@lists.postgresql.org; Mon, 04 Mar 2024 04:07:46 +0000 Received: from mail-wr1-x429.google.com ([2a00:1450:4864:20::429]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1rgzc1-002egM-0e for pgsql-general@lists.postgresql.org; Mon, 04 Mar 2024 04:07:43 +0000 Received: by mail-wr1-x429.google.com with SMTP id ffacd0b85a97d-33e1207bba1so3232198f8f.1 for ; Sun, 03 Mar 2024 20:07:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cybertec-at.20230601.gappssmtp.com; s=20230601; t=1709525256; x=1710130056; darn=lists.postgresql.org; h=mime-version:user-agent:content-transfer-encoding:autocrypt :references:in-reply-to:date:to:from:subject:message-id:from:to:cc :subject:date:message-id:reply-to; bh=p5rC6sUlBAURMR0WE8dlfLPxBMh8O6dST0Xy7y1o944=; b=L07JSeO3Bm4O0NObnk0LKUXRqcGb94bnjSEPiL4dz3PloEXi8BLMLKBMYI3ut2wfBv s3gGcONZ7GTGLXFhlHuKwPIr+0v/V4lDZh9XqqjFQhoKtT8tYHMkgQapCd+x+xZyMX7D vjuvx2V8UfOQO8ogGT4dHPxJOD/ZyBEISXNdpfueg7wgwLsL3lBnyO20FlEENQpLcUp0 zzpjjHgBgiycoXKqflZiL9AnKIxZX5q5xQZWMgVr0Ho9xJnMwPlTUJKbr/uvh2FwxrFk 7cuX5g7bVfDmHyJCYdRUFKKerOpA6BSKWBGmjVzLqEkEqepzkJQGageiS8dhuAp+8wOD XDSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709525256; x=1710130056; h=mime-version:user-agent:content-transfer-encoding:autocrypt :references:in-reply-to:date:to:from:subject:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=p5rC6sUlBAURMR0WE8dlfLPxBMh8O6dST0Xy7y1o944=; b=QLE0A9gLFEu880KoXuNa3zHADrTfN72qJkb8GLfcLJfnAVE0A4kuDVTRuxwVFT8vWl BqdcnjUULMYNlKSXRcyxhHQkfogHCyjGoXGjPKq22e9XmCqdCEpPR/jP6jMxfbzWiQ9V Jg2uV7uM3U1OnaUwZAytopy4GztcphFAFrrL8lFQWqH7Iyev5uMuYJJnc3dF7XdHKvgs Yni5y9A2JdY+yUtuLHDPk8rXOdw/xhybCFIPwwjVltLN83jvwuTAqZSeIL9tm94AJtfi LL816JYfNmgLVWH9Os9VUP4stwvuPWOtV0mEJSjgHt3VSnMNhRtlEres6SgBvjbaHzks E7yw== X-Forwarded-Encrypted: i=1; AJvYcCWSQ0mkIL3WWKsPKWsrAUuLlSXXhg7wiRI72oIk7X908n/Vn4c7QeaGVzY2AqmeGdk3Ie262vcdaoIfdxT2dXIT5TLFEX23FxBc6d9LFMBBw1sG X-Gm-Message-State: AOJu0YyR65vQJel6ilk1sZ2P1g9ZVN6geFkCgXOz9D4QLPNoI5sg2SXq KNXMagBL8UxYFWwMRoNUOMIh7s49VLjX0kUGdFbpGhiFofrwOYaLEyrG6LLGSbrhARarD+ESHuz w X-Google-Smtp-Source: AGHT+IG4PW7FM4Z79G8ZA6kIsIIEeRrRk8T0LwL6wn+NtqSsPAS/EZVS8GWwUi/GDVMij4tHEG4Bqg== X-Received: by 2002:a5d:4d8c:0:b0:33e:1deb:acb1 with SMTP id b12-20020a5d4d8c000000b0033e1debacb1mr6590771wru.36.1709525255864; Sun, 03 Mar 2024 20:07:35 -0800 (PST) Received: from localhost.localdomain ([2001:871:260:eba2:d2c3:119e:d9c8:3367]) by smtp.gmail.com with ESMTPSA id bx5-20020a5d5b05000000b0033e103eaf5bsm10938403wrb.115.2024.03.03.20.07.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 03 Mar 2024 20:07:35 -0800 (PST) Message-ID: <11bd4c047eb93a208a76a93f2601f231c2ed437e.camel@cybertec.at> Subject: Re: Orphan files filling root partition after crash From: Laurenz Albe To: "Peter J. Holzer" , pgsql-general@lists.postgresql.org Date: Mon, 04 Mar 2024 05:07:34 +0100 In-Reply-To: <20240303230428.6nvxibnhtbgq3h3q@hjp.at> References: <5233ff6e-f363-92a4-aa18-7a9392d35ad7@gmx.net> <20240303230428.6nvxibnhtbgq3h3q@hjp.at> Autocrypt: addr=laurenz.albe@cybertec.at; prefer-encrypt=mutual; keydata=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 bT5UrLvJ2jb99bA9QARzhFaxzyn0F/BUKzuIjRGNs/n6d5dNUFA0kOt8sX+TacmC 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 lDrT4wxdLJ/XCdbPPAyl+lZtOLsaHEEZvYNyTXwZc35dVf3R4/oz20HoG6s7ct8e1 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 36UMAx4ulWMyqJajLNGY0DdG8qIsR5nxRhrnK/mrCidZ8F9/D3bWAl4rjtHlsztN59 +AnW5l0HsQcY9ntFL/zEBOaonjdJf Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.4 (3.50.4-1.fc39) MIME-Version: 1.0 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Mon, 2024-03-04 at 00:04 +0100, Peter J. Holzer wrote: > On 2024-02-28 20:30:35 +0100, Dimitrios Apostolou wrote: > > On Wed, 28 Feb 2024, Laurenz Albe wrote: > > > On Wed, 2024-02-28 at 12:16 +0100, Dimitrios Apostolou wrote: > > > > So what is the moral of the story? How to guard against this? > > >=20 > > > Monitor disk usage ... > >=20 > > It happened *fast*. And it was quite a big suprise coming > > from "just" a disk-full situation. >=20 > Been there. >=20 > To prevent this in the future I wrote a small script to monitor disk > space (on multiple hosts and multiple file systems) every few seconds > and invoke another script (which just terminates all database > connections - a bit drastic but effective) if free space runs low: > https://github.com/hjp/platzangst And I maintain that "temp_file_limit" is the best solution. Yours, Laurenz Albe