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

[Richard Sharpe]

On Sat, Apr 29, 2017 at 1:50 AM, Zhangxiaoxu via samba-technical
<samba-technical at lists.samba.org> wrote:
> Hi,
>
> File System: EXT4
>
> The share folder is created in the system disk.

As the Doctor says: When it hurts, don't do that.

EXT4 is not the file system you are looking for.

> -----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
> -------------------------------------------------------------------------------------------------------------------------------------
> 本邮件及其附件含有杭州华三通信技术有限公司的保密信息，仅限于发送给上面地址中列出
> 的个人或群组。禁止任何其他人以任何形式使用（包括但不限于全部或部分地泄露、复制、
> 或散发）本邮件中的信息。如果您错收了本邮件，请您立即电话或邮件通知发件人并删除本
> 邮件！
> This e-mail and its attachments contain confidential information from H3C, which is
> intended only for the person or entity whose address is listed above. Any use of the
> information contained herein in any way (including, but not limited to, total or partial
> disclosure, reproduction, or dissemination) by persons other than the intended
> recipient(s) is prohibited. If you receive this e-mail in error, please notify the sender
> by phone or email immediately and delete it!



-- 
Regards,
Richard Sharpe
(何以解憂？唯有杜康。--曹操)