答复: The speed of copy is very very slow when much files in the folder

[Zhangxiaoxu]

Hi,

File System: EXT4

The share folder is created in the system disk.


-----邮件原件-----
发件人: vlendec at samba.org [mailto:vlendec at samba.org] 代表 vl at samba.org
发送时间: 2017年4月28日 20:51
收件人: zhangxiaoxu 13123 (RD)
抄送: samba-technical at lists.samba.org
主题: Re: The speed of copy is very very slow when much files in the folder

On Fri, Apr 28, 2017 at 12:36:27PM +0000, Zhangxiaoxu via samba-technical wrote:
> 100,000 files in my share.
> When I copy some little files to the folder, the speed is very very slow.
>
> I add some logs in the smbd, the “get_real_filename_full_scan” function cast about 1s. It’s too slow.
> I think the function is used for comparing the dest name to the exist files to check whether the dest file is exist.
>
> When I add “case sensitive = yes” to the configuration file, the speed is much quickly.
>
> So, I think whether we has some method to improve the performance?
> Could you give us some suggestion about the case.
>
> Environment:
>        Ubuntu 14.04
>        Samba 4.3.11
>
> Client:
>        Windows 7
>
> Configuration:
>        clustering = yes

What's your file system?

Volker
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