From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [IPv6:2a01:7e0:0:424::9]) by lore.proxmox.com (Postfix) with ESMTPS id 001451FF170 for ; Tue, 17 Dec 2024 13:10:45 +0100 (CET) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 074B01FCBC; Tue, 17 Dec 2024 13:10:55 +0100 (CET) Message-ID: <38f0b278-1170-4ac9-8def-1faf7e34452f@proxmox.com> Date: Tue, 17 Dec 2024 13:10:17 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: pve-devel@lists.proxmox.com References: <20241213163037.91508-1-f.ebner@proxmox.com> <20241213163037.91508-5-f.ebner@proxmox.com> <792d36b7-05a5-41c0-9213-095301da221e@proxmox.com> Content-Language: en-US From: Fiona Ebner In-Reply-To: <792d36b7-05a5-41c0-9213-095301da221e@proxmox.com> X-SPAM-LEVEL: Spam detection results: 0 AWL -0.053 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% DMARC_MISSING 0.1 Missing DMARC policy KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment RCVD_IN_VALIDITY_CERTIFIED_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to Validity was blocked. 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SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: Re: [pve-devel] [PATCH storage 4/6] rbd plugin: implement volume import/export X-BeenThere: pve-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Proxmox VE development discussion Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: pve-devel-bounces@lists.proxmox.com Sender: "pve-devel" Am 13.12.24 um 17:34 schrieb Fiona Ebner: > Am 13.12.24 um 17:30 schrieb Fiona Ebner: >> + run_command(['dd', "if=$file", "bs=64k", "status=progress"], output => '>&'.fileno($fh)); > > ---snip--- > >> + run_command(['dd', "of=$file", 'bs=64k'], input => '<&'.fileno($fh)); > > > Forgot to mention, I did not test with different block sizes yet. This > is just copied from the LVM plugin. Will do that next week and see if > it's worth changing. Tested between a virtual cluster with integrated Ceph (A) and another node with external Ceph (B) with a VM with a 4 GiB OS disk and 15 GiB disk full of random data. Don't see much difference, with 64K slightly winning: A -> B 16 KiB 2024-12-17 13:00:49 migration finished successfully (duration 00:02:01) qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vmbr0 12.67s user 42.01s system 45% cpu 2:01.29 total 2024-12-17 13:05:40 migration finished successfully (duration 00:02:01) qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vmbr0 12.49s user 42.34s system 45% cpu 2:00.89 total 64 KiB 2024-12-17 11:59:35 migration finished successfully (duration 00:01:56) qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vmbr0 12.31s user 41.10s system 45% cpu 1:57.31 total 2024-12-17 12:05:39 migration finished successfully (duration 00:01:58) qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vmbr0 12.07s user 41.30s system 45% cpu 1:58.00 total 256 KiB 2024-12-17 12:11:00 migration finished successfully (duration 00:02:05) qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vmbr0 11.29s user 37.89s system 39% cpu 2:06.03 total 2024-12-17 12:16:54 migration finished successfully (duration 00:02:07) qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vmbr0 11.64s user 38.70s system 39% cpu 2:07.61 total B -> A 16 KiB 2024-12-17 13:02:47 migration finished successfully (duration 00:01:28) qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vnet0 13.06s user 40.22s system 58% cpu 1:31.23 total 2024-12-17 13:07:57 migration finished successfully (duration 00:01:28) qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vnet0 13.00s user 40.25s system 58% cpu 1:30.64 total 64 KiB 2024-12-17 11:56:34 migration finished successfully (duration 00:01:22) qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vnet0 12.72s user 37.16s system 59% cpu 1:24.53 total 2024-12-17 12:03:15 migration finished successfully (duration 00:01:27) qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vnet0 13.19s user 38.45s system 57% cpu 1:30.10 total 256 KiB 2024-12-17 12:08:10 migration finished successfully (duration 00:01:31) qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vnet0 12.18s user 37.23s system 52% cpu 1:34.39 total 2024-12-17 12:14:05 migration finished successfully (duration 00:01:35) qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vnet0 11.85s user 36.74s system 49% cpu 1:37.46 total _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel