[PLUG] high speed filesystems
Brian Beattie
beattie at beattie-home.net
Fri Oct 10 13:36:03 UTC 2003
On Fri, 2003-10-10 at 15:57, Kyle Hayes wrote:
> On Friday 10 October 2003 12:08, Brian Beattie wrote:
> > I'm investigating options for very high speed data logging. I'm
> > wondering if anybody knows of any work on filesystems in this area.
>
> Hmm, XFS is supposed to deal with large multimedia data well. That seems like
> a close match. I.e. it will stream it continuously and at high rates (I
> assume both reading and writing) very nicely. I haven't used it, but I've
> read this in the XFS papers and seen it posted in other venues.
>
> If you want really high speed, do you need a filesystem? I.e. could you just
> blast it to a raw partition in block-sized chunks? You'd need a partition
> (or at least a block device) per log "file". Sounds like a lot more work,
> but the speed can't be beat.
Yeah, I do need a filesystem, and I need to avoid the block device
(whose braindead idea was it to break all I/O up into blocks, and not
give me a way to avoid it? :) )
>
> Best,
> Kyle
>
>
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--
Brian Beattie | Experienced kernel hacker/embedded systems
beattie at beattie-home.net | programmer, direct or contract, short or
www.beattie-home.net | long term, available immediately.
"Honor isn't about making the right choices.
It's about dealing with the consequences." -- Midori Koto
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