From: jmerkey <jmerkey@soleranetworks.com>
To: Douglas McNaught <doug@mcnaught.org>
Cc: Nikita Danilov <nikita@clusterfs.com>,
Linux Kernel Mailing List <Linux-Kernel@vger.kernel.org>
Subject: Re: Severe VFS Performance Issues 2.6 with > 95000 directory entries
Date: Sun, 13 Nov 2005 14:28:05 -0700 [thread overview]
Message-ID: <4377AFE5.8010309@soleranetworks.com> (raw)
In-Reply-To: <m2u0egp67z.fsf@Douglas-McNaughts-Powerbook.local>
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
next prev parent reply other threads:[~2005-11-13 21:54 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-13 3:48 Severe VFS Performance Issues 2.6 with > 95000 directory entries Jeff V. Merkey
2005-11-13 12:45 ` Nikita Danilov
2005-11-13 21:01 ` jmerkey
2005-11-13 21:34 ` Nikita Danilov
2005-11-13 21:24 ` jmerkey
2005-11-13 21:50 ` Douglas McNaught
2005-11-13 21:28 ` jmerkey [this message]
2005-11-13 21:37 ` Jeff V. Merkey
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