Re: [vox-tech] Performance tuning for http file serving

2010-04-14 Thread Bill Broadley
On 04/14/2010 10:51 PM, Brian Lavender wrote: > I would think that you need to tune your filesystem. How about this > article on "On-demand readahead" > > http://lwn.net/Articles/235164/ Ah, I found this: http://www.redhat.com/magazine/001nov04/features/vm/#tuning-vm What I'd recommend is pick a

Re: [vox-tech] Performance tuning for http file serving

2010-04-14 Thread Bill Broadley
On 04/14/2010 11:23 PM, Brian Lavender wrote: >> What gets ugly is if you have 2 or more clients accessing 2 or more >> files. Suddenly it becomes very very important to intelligently handle >> your I/O. Say you have 4 clients, reading 4 ISO files, and a relatively >> stupid/straight forward I/O

Re: [vox-tech] Performance tuning for http file serving

2010-04-14 Thread Bill Broadley
On 04/14/2010 10:51 PM, Brian Lavender wrote: > I would think that you need to tune your filesystem. How about this > article on "On-demand readahead" > > http://lwn.net/Articles/235164/ I see a discussion of a few different approaches/patches, but nothing that really shows what is currently in t

Re: [vox-tech] Performance tuning for http file serving

2010-04-14 Thread Brian Lavender
On Tue, Apr 13, 2010 at 12:23:23AM -0700, Bill Broadley wrote: > On 03/31/2010 05:12 PM, Alex Mandel wrote: > > I'm looking for some references and tips on how to tune a server > > specifically for serving large files over the internet. ie 4 GB iso > > files. I'm talking software config tweaks here

Re: [vox-tech] Performance tuning for http file serving

2010-04-14 Thread Brian Lavender
I would think that you need to tune your filesystem. How about this article on "On-demand readahead" http://lwn.net/Articles/235164/ brian On Tue, Apr 13, 2010 at 08:16:05PM -0700, Bill Broadley wrote: > BTW, as an example of how bad performance gets when you are randomly > accessing 4G of data