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Re: EOModeler and more
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Re: EOModeler and more


  • Subject: Re: EOModeler and more
  • From: Arturo Pérez <email@hidden>
  • Date: Sun, 11 Jan 2004 23:14:52 -0500

On Jan 11, 2004, at 10:47 PM, james cicenia wrote:

If I have thousand of users why should I instantiate full complete objects for a screen that needs
only to show a small bit of information. In addition, the full objects will contain a lot of attributes
of type Text. This could be very expensive performance wise.

Why should you be fetching thousands of users? Or are you saying that thousands of users would
be using your application? I thought we were talking about a screen that needed to show open projects
by department? Surely you don't work in a company that has thousands of departments? Or does your
company run thousands of open projects simultaneously?


In any case, thousands of users may be viewing a page that displays two dozen objects. If you fully
utilize EOF object caching then you will hit the database once no matter how many times the page is
displayed. Your implementation will hit the database every time the page is displayed. Which is
more expensive?


As an FYI, our portal was featured on the CBS morning show (whatever it's called). We didn't know
and we didn't do the above level of optimization before it happened; i.e. we instantiated full
objects for EVERYTHING. The portal continued to function just fine when the tens of thousands
of CBS morning show watchers fired up their browsers.
----
WO in philadelphia - wanna cheesesteak with that?
Please visit webobjects.meetup.com.
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  • Follow-Ups:
    • Re: EOModeler and more
      • From: james cicenia <email@hidden>
References: 
 >EOModeler and more (From: james cicenia <email@hidden>)
 >Re: EOModeler and more (From: Arturo Pérez <email@hidden>)
 >Re: EOModeler and more (From: james cicenia <email@hidden>)
 >Re: EOModeler and more (From: Arturo Pérez <email@hidden>)
 >Re: EOModeler and more (From: james cicenia <email@hidden>)

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