From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id 9D0406307F for ; Tue, 9 Feb 2021 10:37:32 +0100 (CET) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 91FAC2ADFB for ; Tue, 9 Feb 2021 10:37:02 +0100 (CET) Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com [212.186.127.180]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS id 338202ADEE for ; Tue, 9 Feb 2021 10:37:01 +0100 (CET) Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id EDAAD45F92 for ; Tue, 9 Feb 2021 10:37:00 +0100 (CET) From: Dominik Csapak To: pbs-devel@lists.proxmox.com Date: Tue, 9 Feb 2021 10:36:58 +0100 Message-Id: <20210209093700.30531-1-d.csapak@proxmox.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SPAM-LEVEL: Spam detection results: 0 AWL 0.230 Adjusted score from AWL reputation of From: address KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment RCVD_IN_DNSWL_MED -2.3 Sender listed at https://www.dnswl.org/, medium trust SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record URIBL_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to URIBL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block for more information. [mod.rs, extract.rs] Subject: [pbs-devel] [PATCH proxmox/proxmox-backup v3] restore files from pxar sparsely X-BeenThere: pbs-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox Backup Server development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Feb 2021 09:37:32 -0000 to be able to restore containers with big sparse files ideally(?) we would save hole information directly in the pxar archive and not even use zero chunks, so that we can have smaller pxar archives, and accurately restore sparse files like they were before for now, restore all files sparsely i am not sure if v2 or this is better, since before we could restore if truncate did not work, now we fail but we have probably less io. changes from v2: * always sparse copy and truncate after changes from RFC: * drop the zero module of proxmox, rust can generate fast code by itself proxmox: Dominik Csapak (1): proxmox: add sparse_copy(_async) to tools::io proxmox/src/tools/io/mod.rs | 70 +++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) proxmox-backup: Dominik Csapak (1): pxar/extract: if possible create files sparesly src/pxar/extract.rs | 24 +++++++++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-) -- 2.20.1