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From Guy Ferraiolo <g...@cnet.com>
Subject Re: flood random profiletype?
Date Mon, 17 Mar 2008 18:09:32 GMT
Well, no, because it's been submitted but not approved.  But you could
ask that it be approved!  There needs to be a discussion about it, there
is one tradeoff in the algorithm that needs to be understood.

Committer-folk: see how popular this would be?

Guy

On Mon, 2008-03-17 at 11:04 -0700, Skye Poier Nott wrote:
> Even better - very cool patch!!  Like many people, I'm interested  
> primarily in simulating real world traffic and round_robin doesn't  
> really cut it.
> 
> So is it in SVN or... ?
> 
> Skye
> 
> 
> 
> On 17-Mar-08, at 10:54 AM, Guy Ferraiolo wrote:
> 
> > It works a bit differently because it does text substitution.   
> > That's a
> > more general case and is much more common for our needs.  Here's how  
> > it
> > would work in your case:
> >
> > 1.	use a requesttemplate
> > 2.	the URL would be http://w${RANVAR}.example.com/file.html
> > 	RANVAR is the substitution variable, you can pick your
> > 	variable names and have more than one in a URL
> > 3.	create a substitution file containing lines with the text
> > 	you want substituted as (example file name mysubstfile):
> > 	0000\n
> > 	0001\n
> > 	...
> > 	9999\n
> > 4.	Have a config file with a subst_list entry like this
> >
> > 	<subst_list>
> > 		<subst_entry>
> > 			<subst_var>RANVAR</subst_var>
> > 			<subst_file>/path-to/mysubstfile</subst_file>
> > 		<subst_entry>
> > 	<subst_list>
> >
> >
> > The win is that the subst file can contain lots of things beyond  
> > random
> > numbers.  It's very easy to create a subst file from an access log and
> > get very good agreement with your actual traffic.  So URLs like
> > http://example.com/?q=${QUERYFROMREALTRAFFIC} work fine.  You can do
> > port numbers too.
> >
> > Very large subst files work fine.
> >
> > Guy
> >
> > On Mon, 2008-03-17 at 10:43 -0700, Skye Poier Nott wrote:
> >> Interesting..
> >>
> >> I have 10,000 host aliases setup up from w0000.example.com to
> >> w9999.example.com so your patch would let me do something like  
> >> http://
> >> w{random number from 0000-9999}.example.com/file.html in the urllist?
> >> Well that would sure cut down on the size of the flood config xml.
> >>
> >> Hopefully your patch can do zero padding of random numbers!  What's
> >> the url for the patch file?
> >>
> >> Thanks,
> >> Skye
> >>
> >>
> >> On 17-Mar-08, at 10:37 AM, Guy Ferraiolo wrote:
> >>
> >>> Actually, I think my current patch which does randomization on  
> >>> URLs in
> >>> round_robin profiles provides a bit more.
> >>>
> >>> Any news on the patch, folks?
> >>>
> >>> Guy
> >>>
> >>> On Mon, 2008-03-17 at 10:35 -0700, Skye Poier Nott wrote:
> >>>> It looks like (contrary to the docs) the only available  
> >>>> <profiletype>
> >>>> for flood is round_robin.
> >>>>
> >>>> Does anyone have a patch to support <profiletype>random</
> >>>> profiletype>?
> >>>>
> >>>> If not, and I write one, would you be interested in the patch?
> >>>>
> >>>> Thanks,
> >>>> Skye
> >>>>
> >>>>
> >>> -- 
> >>> Guy Ferraiolo                                   mailto:guyf@CNET.com
> >>> Performance Measurement & Analysis              http://CNET.com
> >>> CNET                                            tel: 1.908.541.3739
> >>> 1200 Route 22 East                              fax: 1.908.575.7474
> >>> Bridgewater, NJ 08807                           cel: 1.732.618.0250
> >>
> > -- 
> > Guy Ferraiolo                                   mailto:guyf@CNET.com
> > Performance Measurement & Analysis              http://CNET.com
> > CNET                                            tel: 1.908.541.3739
> > 1200 Route 22 East                              fax: 1.908.575.7474
> > Bridgewater, NJ 08807                           cel: 1.732.618.0250
> 
-- 
Guy Ferraiolo                                   mailto:guyf@CNET.com
Performance Measurement & Analysis              http://CNET.com
CNET                                            tel: 1.908.541.3739
1200 Route 22 East                              fax: 1.908.575.7474
Bridgewater, NJ 08807                           cel: 1.732.618.0250

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