From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bee.birch.relay.mailchannels.net (bee.birch.relay.mailchannels.net [23.83.209.14]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4E594CD for ; Mon, 11 Dec 2023 19:40:13 -0800 (PST) X-Sender-Id: instrampxe0y3a|x-authuser|calestyo@scientia.org Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id E21A7140E6B; Tue, 12 Dec 2023 03:40:11 +0000 (UTC) Received: from cpanel-007-fra.hostingww.com (unknown [127.0.0.6]) (Authenticated sender: instrampxe0y3a) by relay.mailchannels.net (Postfix) with ESMTPA id 37CBB141298; Tue, 12 Dec 2023 03:40:11 +0000 (UTC) ARC-Seal: i=1; s=arc-2022; d=mailchannels.net; t=1702352411; a=rsa-sha256; cv=none; b=h64rCDmVWCXX8mk1iRtiAZkG3yf72aMghUsaibUS++AMUkMGIAElgWJg1OsfPMX2MUvn2G hdRXK2g2lw5qopFkWrOat5Tr2CFSlKueWrW1/qkyztjPIvpMhOCIhinlPX+c68SRaJuYgN TLIMEMIhyzlQLwRVT06FobuNASUx3lpF/EnTgtryqePalAywpfdWtmJq6g6OaCN3MBdUGt ehQaWdmhR95v6xXtDtxu6xoaV2R2IPJ4QkW/R9UjYfYtIMe4yuJOQO8LCY0Ov3cb21uQVs Iai/eg8Y9+vFqT8WD1R7aln6vuftHyxgcleL7Hm4XBitERK8P50cX2d/iGvZPw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=mailchannels.net; s=arc-2022; t=1702352411; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=N7Ym1cLaWBRItY+Y04y7gpkFi4ZwKFoHczd//3ko7v8=; b=ZH1BtNRt5c2fLxr6B/NiDI8AOKQ5sjvrXhsju2PrMkRB9UamSuMbTHl0ra8TAT5dqiwh89 0oOQx/2sGSrJyRzkMDXQMD4GSDCW8MtLQ19Mkltce0q7gjIJgfCvQCOFkjNYS2aN08veLv WZjxJptTf+ffMPEp+OahbQwxkb7qddf+M6hOMIpWqI3rOlkJ2kFAYuqufInh7yvmnO1dRo aoRYhFiFV7VavtSLNmeKnrscfsKzWwOh4OHvdHUDQLbw1kbny2ONlM7nNZkPr4GMTWlFGK Hnc66dvA3K4IXFGPyg5gxL4wYfi/AEtothgrR6AI4u0aT9ZAWS6a/GtFWW7jlw== ARC-Authentication-Results: i=1; rspamd-5749745b69-pwz72; auth=pass smtp.auth=instrampxe0y3a smtp.mailfrom=calestyo@scientia.org X-Sender-Id: instrampxe0y3a|x-authuser|calestyo@scientia.org X-MC-Relay: Neutral X-MailChannels-SenderId: instrampxe0y3a|x-authuser|calestyo@scientia.org X-MailChannels-Auth-Id: instrampxe0y3a X-Befitting-Abortive: 51207ed87c11231c_1702352411747_870220017 X-MC-Loop-Signature: 1702352411746:2127108793 X-MC-Ingress-Time: 1702352411746 Received: from cpanel-007-fra.hostingww.com (cpanel-007-fra.hostingww.com [3.69.87.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384) by 100.107.232.136 (trex/6.9.2); Tue, 12 Dec 2023 03:40:11 +0000 Received: from p5090f0e4.dip0.t-ipconnect.de ([80.144.240.228]:33508 helo=heisenberg.fritz.box) by cpanel-007-fra.hostingww.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1rCtcr-0000zv-2Y; Tue, 12 Dec 2023 03:40:09 +0000 Message-ID: <9ce30564e238d1be0deafb8cab8968f800a8deaa.camel@scientia.org> Subject: Re: btrfs thinks fs is full, though 11GB should be still free From: Christoph Anton Mitterer To: Qu Wenruo , linux-btrfs@vger.kernel.org Date: Tue, 12 Dec 2023 04:40:03 +0100 In-Reply-To: <2d5838efc179a557b41c84e9ca9a608be6a159e8.camel@scientia.org> References: <0f4a5a08fe9c4a6fe1bfcb0785691a7532abb958.camel@scientia.org> <253c6b4e-2b33-4892-8d6f-c0f783732cb6@gmx.com> <95692519c19990e9993d5a93985aab854289632a.camel@scientia.org> <656b69f7-d897-4e9d-babe-39727b8e3433@gmx.com> <3cfc3cdf-e6f2-400e-ac12-5ddb2840954d@gmx.com> <2d5838efc179a557b41c84e9ca9a608be6a159e8.camel@scientia.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.2-1 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-AuthUser: calestyo@scientia.org I just noticed that others have already had that problem with Prometheus: https://github.com/prometheus/prometheus/issues/9107 Some users there wondered whether the issue could be caused by too aggressive preallocation via `fallocate`. Do you think that would be something that could also cause the wasted space? Thanks, Chris.