Remy,

I wondered about the impact of logging.

I'm not personally interested in comparing 3.x and 4.x, just in getting a 
database on 4.0. I also wonder if such a comparison might ignore the 
feature differences noted in the rant postings last week.
 
I am interested in what the thruput and response time numbers might mean 
to a user when the system is experiencing a certain load level and a 
certain mix of requests.

If no comparison with TC3.x is to be made, then should the AccessLogValve 
be removed from the configuration? I think it might be good to leave it 
in to see what performance people get out of the box. If AccessLogValve 
is and continues to be a hog, then maybe it shouldn't be a default? 

BTW, what did you use to do the profiling? What did you see? I'm planning 
to use OptimizeIt4.0 when I can get it and get it to attach.  

Roy

-- 
Roy Wilson
E-mail: [EMAIL PROTECTED]


>>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<<

On 11/8/00, 12:21:45 PM, "Remy Maucherat" <[EMAIL PROTECTED]> wrote regarding 
Re: TC4-m4 REquestInfoExample data, questions, modified scripts:


> TC4-m4 REquestInfoExample data, questions, modified scriptsHi,

> I did some testing myself, mainly because it's been 3 months since my 
last
> round, and Catalina has changed a bit since then.
> I also did a little bit of profiling of Catalina as a whole, and of the 
HTTP
> connector.

> When you do some testing, you may want to remove the AccessLogValve from
> your configuration, because it's incredibly slow right now. Also, by
> default, Catalina logs a lot of stuff, which is not the case with TC3.x, 
for
> example. To get a fair comparison between 2 servers, I think the level of
> logging should be similar.

> I suggest we consider not including the AccesLogValve in the default
> configuration until some optimization work is done on it.

> Remy


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