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Core Data dog-slow when using first time after boot

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Core Data dog-slow when using first time after boot

Subject: Core Data dog-slow when using first time after boot
From: Ruotger Skupin <email@hidden>
Date: Wed, 19 Aug 2009 12:13:35 +0200

Hi,

when fetching about 5000 objects from an sql store, Core Data is very slow the very first time after a boot. When running the app the first time it takes 50 to 90 seconds and when starting it the second time it is well below one second.

What is going on here? Has anyone noticed this too?

I thought of writing a background app to load the store and fetch the objects when logging in, just in case the user might launch the app... But that's madness of course!

I'm talking about Leopard 10.5.7 and 10.5.8 here. Don't know about Tiger (can't talk about SL)

regards
	Ruotger Skupin

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