Changing maxrequests on an interpreter in websh.conf when it is specific to each file

["Ashok P. Nadkarni" <ap...@yahoo.com>]

I'm playing around with using namespaces and slaves to reduce the time 
to deliver a web page by making the interpreter handle multiple 
requests. The websh.conf file has the lines

    # individual scripts (each with its own interpreters)
    if {[string match *.ws3 $file]} {
    return $file
    }

in the web::interpmap command. The question is, not how do I write the 
corresponding web::interpclasscfg command to change maxrequests to (say) 
10 ? interpmap takes the class name as a parameter but since that 
changes on a per file basis, how do I change it? The ws3 files may lie 
in different directories so I don't want to hardcode or enumerate full 
paths if possible.

A somewhat related question is that I want the html handler to be 
specific to the directory that the html file lives in. So I've modified 
the html handler fragment in web::interpmap in websh.conf to be

    # default html content (html that contains snipplets only)
    # all requests for *.html files share interpreters
    if {[string match *.html $file]} {
    return [file join [file dirname $file] htmlhandler.ws3]
    }

Again, I have the same question, how do I now configure interpclasscfg 
for each to change the maxrequests without having to list out each 
possible directory as a separate class ? (maxrequests will be same for all)

Any solutions ?

Thanks

/Ashok

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Re: Changing maxrequests on an interpreter in websh.conf when it is specific to each file

[Ronnie Brunner <ro...@netcetera.ch>]

> To answer my own question, I landed up doing the following:
> 
> if {[string match *.html $file]} {
>   set script [file join [file dirname $file] htmlhandler.ws3]
>   web::interpclasscfg $script maxrequests 10
>   return $script
> }
> 
> Not sure what impact that might have on memory (separate interpclass 
> structures per file?) but it does what I want for the time being in 
> terms of quicker startup.

There's no impact on memory as you have an interpclass for every
script you use anyway. The only impact is that you call
web::interpclasscfg way too often. It is not really an expensive call
though, but it needs an additional lock on some internal resource and
locks can be bottlenecks. I can't tell you however whether this is
worse than creating the overhead of tracking the files you already
have configured:

 if {[string match *.html $file]} {
   set script [file join [file dirname $file] htmlhandler.ws3]
   if {![info exists pool($script)]} {
      web::interpclasscfg $script maxrequests 10
      set pool($script) 1
   }
   return $script
 }

This takes a bit more memory (the pool array) but as I said: don't
know if it actually makes a difference. Could be even slower...

Ronnie
-- 
Ronnie Brunner | ronnie.brunner@netcetera.ch
phone +41-44-247 79 79 | fax +41-44-247 70 75
Netcetera AG | 8040 Zürich | Switzerland | http://netcetera.ch

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Re: Changing maxrequests on an interpreter in websh.conf when it is specific to each file

["Ashok P. Nadkarni" <ap...@yahoo.com>]

To answer my own question, I landed up doing the following:

if {[string match *.html $file]} {
   set script [file join [file dirname $file] htmlhandler.ws3]
   web::interpclasscfg $script maxrequests 10
   return $script
}

Not sure what impact that might have on memory (separate interpclass 
structures per file?) but it does what I want for the time being in 
terms of quicker startup.

/Ashok

Ashok P. Nadkarni wrote:
> I'm playing around with using namespaces and slaves to reduce the time 
> to deliver a web page by making the interpreter handle multiple 
> requests. The websh.conf file has the lines
>
>    # individual scripts (each with its own interpreters)
>    if {[string match *.ws3 $file]} {
>    return $file
>    }
>
> in the web::interpmap command. The question is, not how do I write the 
> corresponding web::interpclasscfg command to change maxrequests to 
> (say) 10 ? interpmap takes the class name as a parameter but since 
> that changes on a per file basis, how do I change it? The ws3 files 
> may lie in different directories so I don't want to hardcode or 
> enumerate full paths if possible.
>
> A somewhat related question is that I want the html handler to be 
> specific to the directory that the html file lives in. So I've 
> modified the html handler fragment in web::interpmap in websh.conf to be
>
>    # default html content (html that contains snipplets only)
>    # all requests for *.html files share interpreters
>    if {[string match *.html $file]} {
>    return [file join [file dirname $file] htmlhandler.ws3]
>    }
>
> Again, I have the same question, how do I now configure interpclasscfg 
> for each to change the maxrequests without having to list out each 
> possible directory as a separate class ? (maxrequests will be same for 
> all)
>
> Any solutions ?
>
> Thanks
>
> /Ashok
>
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> To unsubscribe, e-mail: websh-user-unsubscribe@tcl.apache.org
> For additional commands, e-mail: websh-user-help@tcl.apache.org
>
>


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