Re:Re: what means Bake-off?

Thanks, Joe pal!

Your reply helps a lot. But I am puzzled at two terms in your
reply. They are "cache benchmarking" and "cache-off style benchmark".
( In the last paragraph of your reply. )

Are they the same? What do they mean?

Best regards,
George, Ma

----- Original Message -----
From: Joe Cooper
To: maer727@sohu.com
Cc: squid-dev@squid-cache.org
Subject: Re: what means Bake-off?
Sent: Wed Apr 10 18:20:14 CST 2002

> Because they are not traces of 'internet' activity. They are the result
> of benchmark run that uses entirely artificial URLs. Every run is
> different, and every run is generated on the fly by the polygraph server
> and client. They aren't useful for your purposes because you requested
> a list of URLs that you could run through your Squid to test hit ratios.
> The URLs generated during a Polygraph run do not resolve to a real
> internet host--none of them exist on the internet.
>
> Get Polygraph (it's free). Read the docs for it. Try it. You'll then
> understand what I'm talking about.
>
> What I'm getting at is that polygraph will be extremely useful for you.
> There is no better cache benchmarking tool. /But/ the logs it
> generates are only useful for creating benchmark result reports--not for
> simulating a Polygraph benchmark run using a different utility. If you
> want to reproduce a cache-off style benchmark, you've got to use
> Polygraph. Logs from the cache-offs are useless unless you want to
> analyze the results of servers that took part in the cache-offs--they
> are not useful for reproducing the same conditions.
>
> maer727@sohu.com wrote:
> > Thanks, Joe pal!
> >
> > In your reply, you mentioned,
> >
> > ////////////////////////////////////////////////
> > only logs produced are the logs that are generated during the
> > benchmark runs,
> > ////////////////////////////////////////////////
> >
> > I do not understand the meaning above, I am a newbie. :-) Can you give
> > me a simple explanation? Why these logs are not useful for my purpose?
> >
> > Best regards,
> > George, Ma
> >
> >
> > ----- Original Message -----
> >
> > From: Joe Cooper
> > To: maer727@sohu.com
> > Cc: hno@squid-cache.org ;squid-dev@squid-cache.org
> > Subject: Re: what means Bake-off?
> > Sent: Wed Apr 10 15:48:09 CST 2002
> >
> >
> >>As I said in my description of the cacheoff events, the benchmarking
> >>software used is Polygraph. Polygraph does not use real internet URLs
> >>and the only logs produced are the logs that are generated during the
> >>benchmark runs--these logs are not useful for the purpose you are asking
> >>about.
> >>
> >>Polygraph is downloadable here:
> >>
> >>http://www.web-polygraph.org
> >>
> >>maer727@sohu.com wrote:
> >>
> >>>Thanks, Henrik pal!
> >>>
> >>>I want to know where can I find the log files used in "Cache-off" ? I want to
> >>>use the log files other prople are using to test my own LRU algorithm.
> >>>
> >>>Best regards,
> >>>George, Ma
> >>>
> >>>----- Original Message -----
> >>>From: Henrik Nordstrom
> >>>To: maer727@sohu.com
> >>>Cc: squid-dev@squid-cache.org
> >>>Subject: Re: what means Bake-off?
> >>>Sent: Wed Apr 10 14:11:50 CST 2002
> >>>
> >>>
> >>>
> >>>>http://cacheoff.ircache.net/
> >>>>
> >>>>(this type of event is also known as Bake-off events)
> >>>>
> >>>>Regards
> >>>>Henrik
> >>>>
> >>>>On Wednesday 10 April 2002 07:02, maer727@sohu.com wrote:
> >>>>
> >>>>
> >>>>>Hi, pals!
> >>>>>
> >>>>>I often see this word "Bake-off" in documents. What means it?
> >>>>>
> >>>>>Anyone can give me a simple explanation?
> >>>>>
> >>>>>Best regards,
> >>>>>George, Ma
> >>>>
> >>>
> >>>
> >>
> >>
> >>--
> >>Joe Cooper <joe@swelltech.com>
> >>http://www.swelltech.com
> >>Web Caching Appliances and Support
......
Received on Wed Apr 10 2002 - 08:04:40 MDT