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From Brian Pane <>
Subject Re: [Fwd: Re: Some benchs results : WAS: Invitation to HTTPD commiters in tomcat-dev]
Date Wed, 28 Jul 2004 18:51:25 GMT
Remy Maucherat wrote:

> Filip Hanik - Dev wrote:
>> The Java VM does this through file handling, we would have to find 
>> out where it issues this call and if we can get around it. The
>> Tomcat developers are not calling stat anywhere in the code, but the 
>> underlying JVM code does, we just don't know where
> Ok. Well, I think there's no such thing, as the test was about a 
> servlet. There's also a cache, so it won't go to the HD too often, but 
> of course, I don't know how it really works. Also something to 
> remember is that the HelloWorld example servlet is a very bad 
> throughtput test: it has a very expensive i18n operation (it retrieves 
> a resource bundle on each request), which Apache doesn't do. So it 
> would be better to either test with a static file, or write a new 
> servlet with the same output (minus i18n).

I was testing the delivery of a static file, not a servlet, when I found 
the stat calls.
The stats don't happen with servlets in general; it's just the default 
static-file handler
service that has this overhead (in Tomcat 5.0.25 and 5.0.27; I haven't 
tried any
other versions).


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