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 33F381FF15C
	for <inbox@lore.proxmox.com>; Fri, 16 May 2025 11:53:47 +0200 (CEST)
Received: from firstgate.proxmox.com (localhost [127.0.0.1])
	by firstgate.proxmox.com (Proxmox) with ESMTP id 26420A127;
	Fri, 16 May 2025 11:54:11 +0200 (CEST)
Message-ID: <be14a6f0-b959-4837-9215-c0849c564bf8@proxmox.com>
Date: Fri, 16 May 2025 11:54:08 +0200
MIME-Version: 1.0
User-Agent: Mozilla Thunderbird
To: Proxmox Backup Server development discussion
 <pbs-devel@lists.proxmox.com>, Christian Ebner <c.ebner@proxmox.com>
References: <20250516085836.82494-1-c.ebner@proxmox.com>
 <20250516085836.82494-3-c.ebner@proxmox.com>
Content-Language: de-AT, en-US
From: Lukas Wagner <l.wagner@proxmox.com>
In-Reply-To: <20250516085836.82494-3-c.ebner@proxmox.com>
X-SPAM-LEVEL: Spam detection results:  0
 AWL 0.020 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
Subject: Re: [pbs-devel] [PATCH proxmox-backup 2/2] garbage collection:
 track chunk cache stats and show in task log
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>



On  2025-05-16 10:58, Christian Ebner wrote:
> Count the chunk cache hits and misses and display the resulting
> values in the garbage collection task log summary.
> 
> This allows to investigate possible issues and tune cache capacity,
> also by being able to compare to other values in the summary such
> as the on disk chunk count.
> 
> Exemplary output
> ```
> 2025-05-16T10:41:29+02:00: Chunk cache: hits 38118, misses 10017

I think it would be nice to also print the hit ratio :) For the
example here it should be 79%, if my math is correct.


-- 
- Lukas



_______________________________________________
pbs-devel mailing list
pbs-devel@lists.proxmox.com
https://lists.proxmox.com/cgi-bin/mailman/listinfo/pbs-devel