From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) by lore.proxmox.com (Postfix) with ESMTPS id 11B291FF165 for ; Thu, 6 Nov 2025 09:02:01 +0100 (CET) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 75767F4D5; Thu, 6 Nov 2025 09:02:41 +0100 (CET) Message-ID: <3578656e-d487-4e05-88fb-d63554469cf0@proxmox.com> Date: Thu, 6 Nov 2025 09:02:07 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Proxmox Backup Server development discussion , Nicolas Frey References: <20251105155129.517430-1-n.frey@proxmox.com> Content-Language: en-US, de-DE From: Christian Ebner In-Reply-To: <20251105155129.517430-1-n.frey@proxmox.com> X-Bm-Milter-Handled: 55990f41-d878-4baa-be0a-ee34c49e34d2 X-Bm-Transport-Timestamp: 1762416109370 X-SPAM-LEVEL: Spam detection results: 0 AWL 0.047 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. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. RCVD_IN_VALIDITY_RPBL_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. RCVD_IN_VALIDITY_SAFE_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. 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. [proxmox.com] Subject: Re: [pbs-devel] [PATCH proxmox{, -backup} 0/5] parallelize chunk reads in verification 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: , Reply-To: Proxmox Backup Server development discussion Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: pbs-devel-bounces@lists.proxmox.com Sender: "pbs-devel" On 11/5/25 4:51 PM, Nicolas Frey wrote: > This patch series aims to expand on Dominik's series [0] written for > pbs 3, parallelizing chunk reads in `VerifyWorker` using a seperate > thread pool from the verification. > > The number of threads was previously hard-coded, but is now > configurable via the API and GUI with a new property called > `worker-threads`, similarly to tape backups. > > The number of `worker-threads` only controls the thread pool for > reading, though if it makes sense to reuse this for the verification > pool, it could be adjusted to do so too. > > In my local tests I measured the following speed difference: > verified a single snapshot with ~32 GiB (4x the RAM size) with 4 cores > > 1 thread: ~440MiB/s > 2 threads: ~780MiB/s > 4 threads: ~1140MiB/s > > [0] https://lore.proxmox.com/pbs-devel/20250707132706.2854973-1-d.csapak@proxmox.com/#t Thanks for the patches, nice work! I will go trough and comment on individual patches, but one thing upfront: Could you also include a concise description of what the additional parameter for the verification job config controlles to the docs? So we can point users directly to that. _______________________________________________ pbs-devel mailing list pbs-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pbs-devel