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From: Kent Overstreet <kent.overstreet@linux.dev>
To: Martin Steigerwald <martin@lichtvoll.de>
Cc: linux-bcachefs@vger.kernel.org
Subject: Re: deletion time of big files (was: Re: Questions related to BCacheFS)
Date: Fri, 29 Dec 2023 13:48:55 -0500	[thread overview]
Message-ID: <acpcgunii76iwukjkuqdx4q76ee3b4ohr5lcr5akcsjgscdsra@mxc5l4wlj7kd> (raw)
In-Reply-To: <1903513.CQOukoFCf9@lichtvoll.de>

On Thu, Dec 28, 2023 at 11:29:19PM +0100, Martin Steigerwald wrote:
> Hi Kent!
> 
> Martin Steigerwald - 18.11.23, 21:57:50 CET:
> > Interesting. Only thing regarding performance I noticed so far that
> > deleting an almost 8 GiB large DVD ISO image file took a bit longer than
> > instant, but I was using Dolphin on Plasma, so not sure whether this
> > tiny delay was filesystem or GUI related.
> 
> Meanwhile I have a working BCacheFS test setup on my laptop. Currently 
> with 6.7-rc7.
> 
> I can confirm on the longer than instant deletion times for almost 8 GiB 
> large DVD ISO image files. It took 3,4 seconds for two of them.
> 
> It appears to me that there is some optimization potential hidden in that.

Bug me again in a few weeks/months if I don't get to it; Dave's fs
metadata benchmarks were also pointing out things that need to be
opimized as well, this is probably related - but I'm going to be deep in
the disk space accounting rewrite for a good while

  reply	other threads:[~2023-12-29 18:49 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-18 19:15 Questions related to BCacheFS Martin Steigerwald
2023-11-18 19:50 ` Kent Overstreet
2023-11-18 20:57   ` Martin Steigerwald
2023-11-18 21:07     ` Kent Overstreet
2023-11-18 23:15       ` Martin Steigerwald
2023-11-18 23:42         ` Kent Overstreet
2023-11-19 11:13           ` Martin Steigerwald
2023-11-19 16:43             ` Martin Steigerwald
2023-11-19 23:10             ` Kent Overstreet
2023-11-20 17:34               ` Martin Steigerwald
2023-12-03 16:58               ` Martin Steigerwald
2023-12-18 16:50                 ` Martin Steigerwald
2023-12-28 22:29     ` deletion time of big files (was: Re: Questions related to BCacheFS) Martin Steigerwald
2023-12-29 18:48       ` Kent Overstreet [this message]
2023-12-30 10:51         ` Martin Steigerwald

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