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List:       fuse-devel
Subject:    Re: [fuse-devel] Better way to deal with 4K IO size
From:       Nikolaus Rath <Nikolaus () rath ! org>
Date:       2017-10-27 13:29:41
Message-ID: 87o9os3eii.fsf () thinkpad ! rath ! org
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On Oct 27 2017, YONA AN <baifordu@gmail.com> wrote:
> Hi,
>
> I mounted a file image as a ext4 file system, and the file image was in my
> fuse.
> I dd with bs=1M in the file image mounting point to test the performance,
> but I found it really poor, then I realized that my fuse kept receiving
> request in size 4K bytes, which led to a huge drop in write throughput. Is
> there any advice on dealing with such small request?

Enable writeback caching if you can.

Best,
-Nikolaus

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