From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <pbs-devel-bounces@lists.proxmox.com> Received: from firstgate.proxmox.com (firstgate.proxmox.com [IPv6:2a01:7e0:0:424::9]) by lore.proxmox.com (Postfix) with ESMTPS id 31DFB1FF16B for <inbox@lore.proxmox.com>; Thu, 3 Apr 2025 14:28:31 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 2B5003F612; Thu, 3 Apr 2025 14:28:20 +0200 (CEST) From: Christian Ebner <c.ebner@proxmox.com> To: pbs-devel@lists.proxmox.com Date: Thu, 3 Apr 2025 14:27:32 +0200 Message-Id: <20250403122732.369087-4-c.ebner@proxmox.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250403122732.369087-1-c.ebner@proxmox.com> References: <20250403122732.369087-1-c.ebner@proxmox.com> MIME-Version: 1.0 X-SPAM-LEVEL: Spam detection results: 0 AWL 0.031 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 SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: [pbs-devel] [PATCH proxmox-backup 4/4] docs: add description for gc-cache-capacity tuning parameter X-BeenThere: pbs-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox Backup Server development discussion <pbs-devel.lists.proxmox.com> List-Unsubscribe: <https://lists.proxmox.com/cgi-bin/mailman/options/pbs-devel>, <mailto:pbs-devel-request@lists.proxmox.com?subject=unsubscribe> List-Archive: <http://lists.proxmox.com/pipermail/pbs-devel/> List-Post: <mailto:pbs-devel@lists.proxmox.com> List-Help: <mailto:pbs-devel-request@lists.proxmox.com?subject=help> List-Subscribe: <https://lists.proxmox.com/cgi-bin/mailman/listinfo/pbs-devel>, <mailto:pbs-devel-request@lists.proxmox.com?subject=subscribe> Reply-To: Proxmox Backup Server development discussion <pbs-devel@lists.proxmox.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: pbs-devel-bounces@lists.proxmox.com Sender: "pbs-devel" <pbs-devel-bounces@lists.proxmox.com> Adds a bullet point to the listed datastore tuning parameters, describing its functionality, implications and typical values. Signed-off-by: Christian Ebner <c.ebner@proxmox.com> --- docs/storage.rst | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/docs/storage.rst b/docs/storage.rst index 490302955..cab65ef79 100644 --- a/docs/storage.rst +++ b/docs/storage.rst @@ -435,9 +435,17 @@ There are some tuning related options for the datastore that are more advanced: This can be set with: -.. code-block:: console + .. code-block:: console + + # proxmox-backup-manager datastore update <storename> --tuning 'sync-level=filesystem' - # proxmox-backup-manager datastore update <storename> --tuning 'sync-level=filesystem' +* ``gc-cache-capacity``: Datastore GC least recently used cache capacity: + Allows to control the cache capacity used to keep track of chunks for which + the access time has already been updated during phase 1 of garbage collection. + This avoids multiple updates and increases GC runtime performance. The + capacity is set as the given value multiplied by 1024. Higher values can + reduce GC runtime at the cost of increase memory usage, setting the value to 0 + disables caching. If you want to set multiple tuning options simultaneously, you can separate them with a comma, like this: -- 2.39.5 _______________________________________________ pbs-devel mailing list pbs-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pbs-devel