Slow directory access with lots of files

Totem totem-lists at totem.is-a-geek.com
Mon Jan 17 15:30:08 PST 2005


Kris Kennaway wrote:

>On Mon, Jan 17, 2005 at 11:09:52AM -0800, Totem wrote:
>  
>
>>Hello,
>>
>>I'm new to this list so please excuse me if this has been asked before 
>>or if I don't provide enough info.
>>
>>I'm having an issue and I hope someone can help me understand what is 
>>happening.  I have a FreeBSD server that is running Samba.  When users 
>>access directories that store lots of files (3k or so), access to the 
>>files is very slow.  I'm guessing that it is a file system issue.  I'd 
>>like to troubleshoot the problem but I don't know where to start.  (In 
>>the mean time I have just told the users to create sub-directories and 
>>sort their files).  Is there anything that I can do to make things run 
>>faster?
>>    
>>
>
>Do you have UFS_DIRHASH in your kernel?  If you don't, or if you added
>it after the disk was already populated, you'll see the benefits if
>you dump, wipe and restore the disk.
>
>Also try updating to 5.3, which is much better than the 5.2.1
>developers preview release.
>
>Kris
>
I will upgrade to 5.3 in the next few days and I will investigate how to 
use UFS_DIRHASH.

Thanks for the help.

Totem


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