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

[Douglas McNaught]

jmerkey <jmerkey@xxxxxxxxxxxxxxxxxx> 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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/