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From: Maximilian Hill <mhill@inett.de>
To: Proxmox Backup Server development discussion
	<pbs-devel@lists.proxmox.com>
Cc: Marco Gabriel - inett GmbH <mgabriel@inett.de>
Subject: Re: [pbs-devel] Status of Garbage Collection marks in memory (not atime based)
Date: Fri, 9 Apr 2021 12:57:45 +0200	[thread overview]
Message-ID: <YHAzKR0NF/hOJtUr@inett.de> (raw)
In-Reply-To: <1293660294.1724.1617956034080@webmail.proxmox.com>

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On Fri, Apr 09, 2021 at 10:13:54AM +0200, Dietmar Maurer wrote:
> > We use a CephFS as datastore in our test environment and this is rather slow because of the metadata updates. The in-memory based approach could possibly make a huge difference for CephFS based datastores.
> 
> Besides, Proxmox Backup is designed to work with local storage. 
> Using any Network based storage create a big amount of additional network 
> traffic, and makes no real sense to me. You want(should) backup your Cepfs data 
> to Proxmox Backup, not the other way around.
> 
Well, if you are already running seperate ceph cluster with erasure coded
pools for other backups, that's not that bad of an idea.
But it shouldn't be the same cluster as the hot production storage,
thats right.

GC jobs cause a lot of writes in the metadata pool.


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  parent reply	other threads:[~2021-04-09 10:57 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-09  8:13 Dietmar Maurer
     [not found] ` <d16a9279-ec9e-4f8e-905c-2744b4455083.4bf6da22-5cda-4597-b16d-3c88c4c3fb76.9e105e32-a0ed-438f-8146-0b54ba60255f@emailsignatures365.codetwo.com>
2021-04-09  9:17   ` Marco Gabriel
2021-04-09 10:57 ` Maximilian Hill [this message]
  -- strict thread matches above, loose matches on Subject: below --
2021-04-09 11:07 Dietmar Maurer
2021-04-09  8:08 Dietmar Maurer
2021-04-08 12:14 Marco Gabriel - inett GmbH

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