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List:       linux-fsdevel
Subject:    Re: [PATCH] vfs: Delete the associated dentry when deleting a file
From:       Linus Torvalds <torvalds () linux-foundation ! org>
Date:       2024-05-15 16:05:24
Message-ID: CAHk-=wgcnsjRvJ3d_Pm6HZ+0Pf_er4Zt2T04E1TSCDywECSJJQ () mail ! gmail ! com
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Oliver,
 is there any chance you could run this through the test robot
performance suite? The original full patch at

    https://lore.kernel.org/all/20240515091727.22034-1-laoar.shao@gmail.com/

and it would be interesting if the test robot could see if the patch
makes any difference on any other loads?

Thanks,
                     Linus

On Wed, 15 May 2024 at 02:17, Yafang Shao <laoar.shao@gmail.com> wrote:
>
> Our applications, built on Elasticsearch[0], frequently create and delete
> files. These applications operate within containers, some with a memory
> limit exceeding 100GB. Over prolonged periods, the accumulation of negative
> dentries within these containers can amount to tens of gigabytes.
>
> Upon container exit, directories are deleted. However, due to the numerous
> associated dentries, this process can be time-consuming. Our users have
> expressed frustration with this prolonged exit duration, which constitutes
> our first issue.

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