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Re: EOSharedEditingContext
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Re: EOSharedEditingContext


  • Subject: Re: EOSharedEditingContext
  • From: Guido Neitzer <email@hidden>
  • Date: Thu, 20 Dec 2007 22:49:08 -0700

On 20.12.2007, at 21:53, Jonathan Miller wrote:

I've received that advice before, but I've also watched a screen cast from one of the WWDC events and the apple engineer strongly recommends using the shared editing context. If I remember correctly, the engineer stated that iTunes heavily utilizes the shared editing context.

1. You have about the same knowledge on how to avoid problems with the sharedEditingContext as the iTunes Store engineers have.


2. You have about the same load on your application the iTunes Store has and therefor you need the same optimizations.

If these two statements are true for you, you can safely consider using the sharedEditingContext in your application.

If they are not true, there are so many ways to shoot yourself in the foot, that *I* would avoid using this peace of ... [personal opinion deleted]. With the sharedEditingContext you are asking for trouble.

I also remember all these good recommendations from the various optimizing WO sessions at WWDC and they are mostly good things but about 99% of the apps will never need it. Getting around the problems of these optimizations like added development time, harder maintenance, nasty bug fixing, unreadable code, unpredictable deadlocks and so on cause way more trouble than adding some fancy hardware to your server environment. Just calculate what a couple of weeks added development time because of nasty problems add in cost and compare it to better / more server hardware.


cug

--
http://www.event-s.net


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 >re: EOSharedEditingContext (From: Jonathan Miller <email@hidden>)

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