Re: Severe VFS Performance Issues 2.6 with > 95000 directory entries

jmerkey
2005-11-13T21:54:21Z

Douglas McNaught wrote:

>jmerkey <jmerkey@soleranetworks.com> writes:
>
>
>
>>Nikita Danilov wrote:
>>
>>
>>
>>>Jeff V. Merkey writes:
>>>
>>>
>>>>>The subject line speaks for itself. This is using standard VFS
>>>>>
>>>>>
>>>readdir > and lookup calls through the VFSwith ftp. Very poor.
>>>
>>>Reiser4 works fine with 100M entries in a directory, so VFS is not a
>>>bottleneck here.
>>>
>>>
>>>
>>>
>>how about with ftp running on top? Try running FTP in directory with
>>100M entries. See how long it takes to return the data to
>>the remote client for a dir listing.
>>
>>
>
>What filesystem are you using? If it's ext3 without dirindex turned
>on, that would definitely explain it.
>
>-Doug
>
>
>
Thanks. I'll enable dirindex.

Jeff