I'm curious.  What do you use for load balancing your Tomcat servers?  I
have never had the need to do it but would like to know what is available if
I ever do.

Thanks,
Scott



> -----Original Message-----
> From: Jeff Jones [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, June 12, 2002 12:59 PM
> To: Turbine Users List
> Subject: Re: AW: New site powered by turbine!
> 
> 
> > Looks great!  My only question is why do you use the ? way of adding
> > parameters?  Makes it harder for search engines to crawl 
> you (most won't
> do
> > dynamic sites with a ? in the URL).
> 
> Easy answer.  I used the default TemplateLink's 
> addQueryData() method in the
> .vm's, and didn't think about it.  ;)
> Is it easy to switch over to the non ? way of querying?
> 
> In general, I used very basic features as I ported, to get productive
> quickly.  It's funny how the code evolved - the pages I wrote 
> first are
> pretty ugly and don't really do things 'the turbine way', 
> while the newer
> pages (mostly the admin screens), are more 'advanced'.  They 
> use more Action
> classes and Torque, while the first bunch use only Screen 
> classes and raw
> SQL (cut and pasted directly from the ASP - yuk).  I didn't use Flux,
> Intake, or the Security features at all.  I even used printfs 
> instead of
> Log4J in most places.  My baby's still ugly, but it's much 
> prettier than the
> old ASP.  When I integrate our 3 user types, and after I get 
> some actual new
> features rolled out (to justify all this work spent with no 'visible'
> changes to mgmt), I'll spend some time on that.
> 
> I also need to tune performance and do some caching here and 
> there, but
> right now the site runs on one box and is fast enough.  I 
> deployed it using
> ajp on apache with two tomcat instances under it, with the 
> load balancing.
> I thought I might have bugs that could crash a JVM, so I ran 
> 2 JVM's.  No
> crashes yet.
> 
> I did extend TemplateLink to add SSL link building support.  
> This minimizes
> the need to redirect back and forth, and make it so templates 
> don't have to
> know / care about / control SSL.  VMTool uses a lookup to 
> determine whether
> a page needs SSL or not.  Currently that's set in TR.props, 
> but eventually
> I'll put the secure page settings in the DB (and write an 
> admin tool to
> modify it).  There is also automatic redirect if someone hits 
> an HTTPS page
> using HTTP, as a backup.
> 
> The commas in the URL's were hard to swallow at first.  But it's kinda
> unique (and more efficient) so I didn't use TemplateLinkWithSlash.
> 
> Here's my FranchiseTemplateLink, just for fun (it's short).  I had to
> declare my own template field because the one in TemplateLink 
> is private.
> Notice in toString() I reset the TemplateLink back to the 
> default security
> state, just as the querydata gets reset (oops, I think I just 
> noticed that
> my code causes the querydata/pathinfo to get reset twice).  :)
> 
> It's so nice being off ASP.  I have decent logging now, all of my Java
> toolbox, load balancing, and Apache's flexibility on the 
> front end.  Turbine
> is very sweet, especially when you start using the more 
> advanced features
> (like actions not being stuck to the page the vm wants to go 
> to, etc).  I
> could go on for days.
> 
> Jeff
> 
> ---
> public class FranchiseTemplateLink
> extends TemplateLink
> implements ApplicationTool {
> 
>     /** the pathinfo key stored in the DynamicURI */
>     private static final String TEMPLATE_KEY = "template";
>     /** cache of the template name for getPage() */
>     private String template = null;
> 
>     protected void goSecure() {
>         setServerScheme(DynamicURI.HTTPS);
>         
> setServerPort(TurbineResources.getInt("server.secure.port", 443));
>     }
> 
>     protected void goInsecure() {
>         setServerScheme(DynamicURI.HTTP);
>         
> setServerPort(TurbineResources.getInt("server.insecure.port", 80));
>     }
> 
>     /**
>      * Gets the template variable used by the Template Service.
>      * It is only available after setPage() has been called.
>      *
>      * @return The template name.
>      */
>     public String getPage()
>     {
>         return template;
>     }
> 
>     /**
>      * Sets the template variable used by the Template Service.
>      *
>      * @param t A String with the template name.
>      * @return A TemplateLink.
>      */
>     public TemplateLink setPage(String t) {
>         template = t;
>         addPathInfo(TEMPLATE_KEY,t);
> 
>         if(VMTool.needsSSLRedirect(data, t)) {
>             if(data.getRequest().isSecure()) goInsecure();
>             else goSecure();
>         }
>         return this;
>     }
> 
>     public String toString() {
>         String output = super.toString();
> 
>         // This was added to allow multiple $link variables in one
>         // template.
>         removePathInfo();
>         removeQueryData();
> 
>         // jjones: reset link to default setting
>         if(data.getRequest().isSecure()) goSecure();
>         else goInsecure();
> 
>         return output;
>     }
> }
> 
> ----- Original Message -----
> From: "Eric Pugh" <[EMAIL PROTECTED]>
> To: "'Turbine Users List'" <[EMAIL PROTECTED]>
> Sent: Wednesday, June 12, 2002 5:35 AM
> Subject: RE: AW: New site powered by turbine!
> 
> 
> > Looks great!  My only question is why do you use the ? way of adding
> > parameters?  Makes it harder for search engines to crawl 
> you (most won't
> do
> > dynamic sites with a ? in the URL).
> >
> > Eric
> >
> > -----Original Message-----
> > From: Jeff Jones [mailto:[EMAIL PROTECTED]]
> > Sent: Tuesday, June 11, 2002 9:16 PM
> > To: Turbine Users List
> > Subject: Re: AW: New site powered by turbine!
> >
> >
> > Hello Turbine Group,
> >
> > We (franchise.com) just put up a new site based around 
> turbine and torque
> a
> > couple weeks ago.
> >
> > Since we haven't had any major problems with it yet, I 
> figure it's safe to
> > announce it to this list (that's not a challenge to crash it).  :)
> >
> > We would be honored to have www.franchise.com listed on the 
> 'powered by
> > turbine' page.
> >
> > The site was ported over from an ASP site.  It currently 
> runs on Linux,
> > Apache, and MSSQL.
> >
> > Take a look and let us know what you think!  If you notice anything
> > un-Turbine-like about it, please clue me in (it's my first 
> turbine app).
> >
> > Thanks,
> > Jeff Jones
> > [EMAIL PROTECTED]
> >
> >
> > --
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> >
> 
> 
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