Date: Sat, 10 Apr 2004 11:38:35 -0400 From: "Brian F. Feldman" <green@freebsd.org> To: Jaye Mathisen <mrcpu@internetcds.com> Cc: current@freebsd.org Subject: Re: Monumentally slow directory performance. Message-ID: <200404101538.i3AFcZSu079448@green.homeunix.org> In-Reply-To: Message from Jaye Mathisen <mrcpu@internetcds.com> <20040409202236.GQ43765@backmaster.cdsnet.net>
next in thread | previous in thread | raw e-mail | index | archive | help
Jaye Mathisen <mrcpu@internetcds.com> wrote:
>
>
> Running a 5.2 supped as of 4/9.
>
> I have the UFS_DIRHASH stuff compiled into my kernel. Is there some other
> frob to actually "turn" it on?
>
> I run softupdates, and moving files from my local box over gig ethernet to a directory
> with 5000 files in it is moving about 1 file every 6-7 seconds.
>
> If I move the same files to an empty directory, they move so fast I can' even
> read the names, which is more "normal".
>
> Even directories with 2500 or so files seem really, really, really, really slow.
> at least for adding/removing.
>
> My FS is UFS2, on a 3ware RAID controller. I would love any ideas. smbd
> is burning up 60-70% of the CPU, I've tried kernels with and without all
> the witness/diagnostic and all that stuff.
Burning up 60-70% of the CPU? Just writing a file every 6-7 seconds to a
pretty small directory?
{"/home/green"}$ ls Mail/current | wc -l
64109
{"/home/green"}$ date; touch Mail/current/rand$RANDOM;\
> date; touch Mail/current/rand$RANDOM; date
Sat Apr 10 11:37:55 EDT 2004
Sat Apr 10 11:37:55 EDT 2004
Sat Apr 10 11:37:55 EDT 2004
You should be getting "many" a second. Samba must be doing something wrong/
stuck on something.
--
Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\
<> green@FreeBSD.org \ The Power to Serve! \
Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200404101538.i3AFcZSu079448>